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UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 4 Laboratory Services & Applied Science Division 980 College Station Road Athens, Georgia 30605-2720 August 14th, 2023 MEMORANDUM SUBJECT: Caney Creek WWTP Final Report Pippa Passes, KY LSASD Project ID: 23-0274 FROM: THRU: Chris McHugh Environmental Engineer Water Quality Section CHRISTOPH CHRISTOPHER MCHUGH Digitally signed by ER MCHUGH -04'00' Date: 2023.08.14 11:39:07 Digitally signed by DEREK LITTLE Derek Little, Acting Supervisor Date: 2023.08.14 09:19:47 -04'00' Water Quality Section TO: Jairo Castillo-Valenzuela, P.E., Supervisor Wastewater Enforcement Section Enforcement & Compliance Assistance Division Attached is the Final Report for the Caney Creek WWTP NPDES NCI Reconnaissance Sampling Inspection. If you have any questions concerning the sampling event, please call me at 706-410-4802 or email me at mchugh.christopher@epa.gov. Attachments: cc (via email): Sandra Aker, LSASD Shelia Holiman, ECAD Mission: To provide sound Science to our customers through superior environmental evaluation Vision: To be a solutions-oriented organization, and seen as a leader in sound science through innovation, responsive customer service, and cutting-edge expertise LSASD Project ID: 23-0274 National Pollutant Discharge Elimination System National Compliance Initiative Reconnaissance Inspection Caney Creek Wastewater Treatment Plant 7034 KY 899 PIPPA PASSES, KY. 41844 Project Date: June 13-14th, 2023 Report Date: August 14th, 2023 LSASDFORM-066-R2 052923 Project Leader: Chris McHugh Water Quality Section Field Services Branch Laboratory Services & Applied Science Division USEPA - Region 4 980 College Station Road Athens, Georgia 30605-2720 The ANSI National Accreditation Board attests that U.S. EPA Region 4 Laboratory Services and Applied Science Division fulfills the requirements of ISO/IEC 17025:2017 ANAB Forensic Testing & Calibration AR 3125:2019 in the field of Forensic Testing. The activities contained in this report fall within the scope of accreditation, Certificate Number: AT-2628. Expires 08 June 2024. LSASD Project ID: 23 - 0274 Page 1 of 13 Final Report Project Requestor: Jairo Castillo-Valenzuela, Supervisor Wastewater Enforcement Section Enforcement & Compliance Assurance Division USEPA - Region 4 61 Forsyth Street, SW Atlanta, GA 30303-8960 LSASDFORM-066-R2 052923 Analytical Support: Inorganic Chemistry Section Laboratory Services Branch Laboratory Services and Applied Science Division 980 College Station Rd Athens, GA 30605 Waypoint Analytical 2790 Whitten Rd. Kingsport, TN Approvals: McHugh, Christopher Date: 2023.08.14 10:32:56 -04'00' Digitally signed by McHugh, Christopher Chris McHugh Water Quality Section Field Services Branch Approving Officials: JONATHAN MCMAHAN Digitally signed by JONATHAN MCMAHAN Date: 2023.08.14 10:36:44 -04'00' Jon McMahan, Technical Reviewer Water Quality Section Field Services Branch Digitally signed by DEREK LITTLE Date: 2023.08.14 11:11:59 -04'00' Derek Little, Acting Section Supervisor Water Quality Section Field Services Branch LSASD Project ID: 23 - 0274 Page 2 of 13 Date Date Date Final Report LSASDFORM-066-R2 052923 Introduction On June 13th - 14th 2023, representatives of the U.S. Environmental Protection Agency (U.S. EPA) Region 4 Laboratory Services and Applied Science Division (LSASD) conducted a National Pollutant Discharge Elimination System (NPDES) reconnaissance sampling inspection at the Caney Creek Wastewater Treatment Plant (WWTP) in Pippa Passes, Kentucky. The evaluation was requested by the Enforcement & Compliance Assurance Division (ECAD) Water Enforcement Branch as part of the agency's goal to address significant non-compliance facilities. The inspection followed the procedures listed in the LSASD Project No. 23-0274 Sample and Analysis Plan (SAP). There were no deviations from the SAP throughout the course of this inspection. All standard operating procedures used to conduct this assessment were followed as prescribed and are listed in the project's SAP. Table 1 lists the sampling participants and facility staff. Name Chris McHugh Asher Sampong Table 1 - Inspection Personnel Position Organization Inspector U.S EPA Region 4 LSASD Inspector U.S EPA Region 4 LSASD Dates on site June 13th-14th, 2023 June 13th-14th, 2023 Background The Caney Creek WWTP is located at 7034 KY899 Pippa Passes, KY 41844. The plant operates under NPDES permit KY0042854 to discharge treated domestic wastewater into Caney Fork. Currently, this facility is listed on the EPA Office of Enforcement and Compliance Assurance (OECA) significant/category 1 non-compliance for a variety of effluent discharge limit violations. The facility is also located in proximity to the area that was impacted by significant flood events in the Fall of 2022. Study Area and Methodology The study area for the sampling evaluation was the effluent discharge basin after chlorine disinfection. A 24-hr composite sample was collected with an automatic composite sampler and analyzed for Total Suspended Solids (TSS), Ammonia (NH3), Nitrate/Nitrite (NO3, NO2), and Total Kjeldahl Nitrogen (TKN), Phosphorus (P), and Carbonaceous Biochemical Oxygen Demand (CBOD5). E. coli was collected as a grab sample. In - situ parameters of pH and dissolved oxygen (DO) were measured with a multi - parameter meter and total residual Chlorine (TRC) with a pocket chlorimeter. Analytical methods used during this study are provided in this project's SAP. LSASD Project ID: 23 - 0274 Page 3 of 13 Final Report LSASDFORM-066-R2 052923 Sample Analysis Results Below are the analytical results for the sample collected at EFF001 after final chlorine disinfection stage in the contact chamber. Note the CBOD5 and TSS were just below the weekly max permitted limits. NH3, DO, E. coli, and TRC results exceeded the permitted limits. Note the Nitrate/Nitrite analytical result was impacted by an unknown cause. The result is an estimate. The full analytical results listed below in table 3 are included in the final report PDF portfolio. Table 2: EPA Sample Results vs. Permitted Limits (Highlighted Exceedances) Analyte EPA Analytical Results Permitted Limit Sample Location Sample Date and Time Total Suspended Solids (TSS) 36.0 mg/L 45 mg/L Weekly Max EFF001 6/14/23 10:45 am CBOD5 39.0 mg/L 40 mg/L Weekly Max EFF001 6/14/23 10:45 am NH3 as N Nitrate/Nitrite Total Phosphorus 8.2 mg/L 0.062mg/L** J, D-2, QC-1, QC-6, QL-2, QM-1, QM-3, QR-2 1.4 mg/L 6 mg/L Weekly Max Report only mg/L Report only mg/L EFF001 EFF001 EFF001 6/14/23 10:45 am 6/14/23 10:45 am 6/14/23 10:45 am Total Kjeldahl Nitrogen (TKN) E Coli - grab sample Total Nitrogen(sum of NH3, Nitrate/Nitrite, TKN) Dissolved Oxygen (DO) - In-situ 12 mg/L 579 MPN/100mL 20.2 mg/L Report only mg/L <240 of colonies/100 ml Weekly Max Report only mg/L < 2.0 mg/L* 7.0 mg/L Weekly Min EFF001 EFF001 EFF001 EFF001 6/14/23 10:45 am 6/14/23 10:45 am 6/14/23 10:45 am 6/14/23 10:45 am pH - In-situ 7.6 S.U. 6.0 S.U. < pH < 9.0 EFF001 6/14/23 10:45 am LSASD Project ID: 23 - 0274 Page 4 of 13 Final Report LSASDFORM-066-R2 052923 Total Residual Chlorine - Grab 0.73 mg/L <0.019 mg/L EFF001 * Less than 2.0 mg/L probe was pulled out to protect probe from fouling. ** D-2 Due to Matrix Interference, the sample cannot be accurately quantified. The reported result is estimated. J The identification of the analyte is acceptable; the reported value is an estimate. QC-1 Analyte concentration low in continuing calibration verification standard QC-6 Calibration check standard greater than method control limits. QL-2 Laboratory Control Spike Recovery greater than method control limits QM-1 Matrix Spike Recovery less than method control limits QM-3 Matrix Spike Precision outside method control limits QR-2 MRL verification recovery greater than upper control limits. 6/14/23 10:45 am Table 3: Analytical Results (See attached documents in PDF portfolio) Analysis TSS, CBOD5 Nitrate/Nitrite, Phosphorus, TKN E. coli Total Pages 7 10 35 Quality Assurance/ Quality Control Chemistry data for analyses conducted by LSASD Laboratory Services Branch (LSB) were verified and qualified based on Laboratory Operations and Quality Assurance Manual (LOQAM) found on www.epa.gov/region4/sesd/asbsop. Quality control for the analyses: TSS, CBOD5, Nitrate/Nitrite, Phosphorus TKN and Total Nitrogen can be found in the quality control section of each attached analytical data package (E232409 CNA FINAL 06 28 23 and E232409 CNA FINAL 07 14 23). E Coli analysis performed by Waypoint Analytical was analyzed using Standard Method 9223B - 2016 using EPA - Approved IDEXX Colilert. All provided certifications and accreditations are valid and unexpired. Copies of the certifications and quality control are included in the attached analytical package 23-166-0055. The E. Coli analytical package was reviewed by a senior LSB chemist and found to have no errors and acceptable. The project requestor was contacted and agreed on the level of data validation. LSASD Project ID: 23 - 0274 Page 5 of 13 Final Report LSASDFORM-066-R2 052923 Summary Caney Creek WWTP is a single clarifier package plant, with a chlorine contact chamber for disinfection. The headworks consist of a manually cleaned bar screen, and the effluent discharge is measured with a 45 degree v-notch weir before leaving the plant via a straight pipe to the Caney Fork receiving stream. According to the plant operator (John Pearl), who spoke via phone call during the inspection, the facility experienced catastrophic flooding last fall during the Eastern Kentucky flood event. This event flooded the clarifier and damaged the mechanical pumps that allow the clarifier to properly rotate and operate. Additionally, the floods deposited silty material from the Caney Fork basin into the clarifier and chlorine contact chamber. The operator stated the facility was trying to secure funding to remediate the clarifier and bring the plant back to fully operational status. Based on observations, analytical data from effluent samples, and in-situ measurements made during inspection, this facility is not properly operating and meeting the limits listed in its NPDES permit. The most significant deficiencies impacting the facility to properly operate are listed below. Operational Deficiencies The primary clarifier/aeration unit was not operational. The chlorine contact chamber was impacted with sediment deposits. Sampling and Flow Measurement Deficiencies (See Appendix A for Photo Documentation) The facility's composite sample tubing was brittle and black colored. The composite sample refrigerated storage area was lacking a NIST-traceable thermometer and did not have any refrigeration operating while it was collecting a sample during the inspection. The facility's flow totalizer chart was not operational. EPA collected 24-hr Composite Sampling Results Total Ammonia (8.2 mg/L) was above the maximum permitted limit (6.0 mg/L). Dissolved oxygen levels (< 2.0 mg/L) were below the minimum permitted limit (6.0 mg/L). The total residual Chlorine (0.73 mg/L) exceeded the permit limit of (< 0.019 mg/L). The E. coli result (579 MPN/100mL) exceeded the limit of (< 240 MPN/100 mL). LSASD Project ID: 23 - 0274 Page 6 of 13 Final Report LSASDFORM-066-R2 052923 Appendix A Photo Log LSASD Project ID: 23 - 0274 Page 7 of 13 Final Report LSASDFORM-066-R2 052923 Figure 1: Facility grounds/non-operational clarifier photo: Taken 6/13/23 10:09 am LSASD Project ID: 23 - 0274 Page 8 of 13 Final Report Taken on 6/13/23 LSASDFORM-066-R2 052923 Outfall to Caney Fork Chlorine Contact Chamber. Figure 2: Facility grounds Chlorine contact chamber, effluent discharge photo: Taken 6/13/23 10:10 am LSASD Project ID: 23 - 0274 Page 9 of 13 Final Report LSASDFORM-066-R2 052923 Chlorine Contact Chamber/Effluent V notch weir: Facility Sample Tubing brittle and fouling. Figure 3: Effluent Discharge Weir photo: Taken 6/13/23 10:12 am LSASD Project ID: 23 - 0274 Page 10 of 13 Final Report LSASDFORM-066-R2 052923 Effluent Composite Sampler missing NIST-traceable thermometer. Figure 4: Effluent composite sampler photo: Taken 6/13/23 10:12 am LSASD Project ID: 23 - 0274 Page 11 of 13 Final Report LSASDFORM-066-R2 052923 Figure 5: Effluent Flow Totalizer non-operating photo: Taken 6/13/23 10:18 am LSASD Project ID: 23 - 0274 Page 12 of 13 Final Report LSASDFORM-066-R2 052923 End of Report LSASD Project ID: 23 - 0274 Page 13 of 13 Final Report 6/22/2023 EPA Region IV Mr. Chris McHugh 980 College station Road Athens, GA, 30605 Ref: Analytical Testing Lab Report Number: 23-166-0055 Client Project Description: Analytical Testing Dear Mr. Chris McHugh: Waypoint Analytical, LLC. received sample(s) on 6/15/2023 for the analyses presented in the following report. The above referenced project has been analyzed per your instructions. The analyses were performed in accordance with the applicable analytical method. Where the laboratory was not responsible for the sampling stage (refer to the chain of custody) results apply to the sample as received. The analytical data has been validated using standard quality control measures performed as required by the analytical method. Quality Assurance, method validations, instrumentation maintenance and calibration for all parameters (NELAP and non-NELAP) were performed in accordance with guidelines established by the USEPA (including 40 CFR 136 Method Update Rule May 2021) and NELAC unless otherwise indicated. Any parameter for which the laboratory is not officially NELAP accredited is indicated by a '~' symbol. These are not included in the scope because NELAP accreditation is either not available or has not been applied for. Additional certifications may be held/are available for parameters, where NELAP accreditation is not required or applicable. A full list of certifications is available upon request. Certain parameters (chlorine, pH, dissolved oxygen, sulfite...) are required to be analyzed within 15 minutes of sampling. Usually, but not always, any field parameter analyzed at the laboratory is outside of this holding time. Refer to sample analysis time for confirmation of holding time compliance. The results are shown on the attached Report of Analysis(s). Results for solid matrices are reported on an asreceived basis unless otherwise indicated. This report shall not be reproduced except in full and relates only to the samples included in this report. Please do not hesitate to contact me or client services if you have any questions or need additional information. Sincerely, Connie Cook Project Manager Laboratory's liability in any claim relating to analyses performed shall be limited to, at laboratory's option, repeating the analysis in question at laboratory's expense, or the refund of the charges paid for performance of said analysis. Page 1 of 35 Certification Summary Laboratory ID: WP MTN: Waypoint Analytical, LLC., Memphis, TN State Alabama Arkansas California Florida Georgia Georgia Illinois Kentucky Kentucky Louisiana Louisiana Mississippi North Carolina North Carolina Pennsylvania South Carolina Tennessee Texas Virginia Virginia Program State Program State Program State Program State Program - NELAP State Program State Program State Program - NELAP State Program State Program State Program - NELAP State Program - NELAP State Program State Program State Program State Program - NELAP State Program State Program State Program - NELAP State Program State Program - NELAP Lab ID 40750 88-0650 2904 E871157 C044 04015 200078 80215 KY90047 LA037 04015 MS 47701 415 68-03195 84002 02027 T104704180 00106 460181 Expiration Date 02/29/2024 02/07/2024 06/30/2023 06/30/2023 11/14/2025 06/30/2023 10/10/2023 06/30/2023 12/31/2023 12/31/2023 06/30/2023 11/14/2025 07/31/2023 12/31/2023 05/31/2024 06/30/2023 11/14/2025 09/30/2023 06/30/2023 09/14/2023 Page 1 of 1 Page 2 of 35 00001/23-166-0055 Report Number: Client Project Description: Sample Summary Table 23-166-0055 Analytical Testing Lab No 87136 Client Sample ID EFF001-0614 Matrix Aqueous Date Collected 06/14/2023 10:45 Date Received 06/15/2023 Page 3 of 35 10536 EPA Region IV Mr. Chris McHugh 980 College station Road Athens , GA 30605 Report Number : 23-166-0055 Lab No : 87136 Sample ID : EFF001-0614 Test E-coli Project Analytical Testing Information : Report Date : 06/22/2023 Received : 06/15/2023 REPORT OF ANALYSIS Results Units MQL Matrix: Aqueous Sampled: 6/14/2023 10:45 DF Date / Time By Analytical Analyzed Method 579 MPN/100mL 1 1 06/14/23 15:40 KSS 9223B-2016 Qualifiers/ DF Dilution Factor Definitions MQL Method Quantitation Limit Page 4 of 35 Page 5 of 35 Page 6 of 35 Page 7 of 35 Page 8 of 35 Page 9 of 35 Page 10 of 35 Page 11 of 35 Page 12 of 35 Page 13 of 35 Uncontrolled Document 'RFXPHQW5HYLVLRQ)RUP Date 01/25/2022 DRF # 012522A Reviewer's Name lake Smith Original SOP Document Title Original SOP Effective Date Reason for Revision Internal or External Audit ID 9223 E.coli and Total Coliform 070121 07/01/2021 Addendum : Correction : Minor Update CA Report ID Other Describe Changes Below 1 9.0 E DPD Dispenser for Total Chlorine 9.0 Plastic paint pallets (to use with DPD Dispenser) -- (remove white printer paper) 2 10. HACH (IDE ) DPD Free Chlorine Powder - pillows, bulk (vial to use with dispenser) 12.12 samples will be checked before analyzing using DPD powder (bulk) by dispensing a small amount of powder in a 3 plastic paint pallet well and dropping sample onto the powder using a sterile, disposable pipette. 14.1 Check for excess Cl2 by dispensing a small amount of DPD powder in a plastic paint pallet well.... Approvals Signature Date Chief Quality Officer Technical Officer Supervisor Analyst immy R Ferguson II lake (Andres) Smith Digitally signed by immy R Ferguson II Date: 2022.01.26 10:04:13 -06'00' Digitally signed by lake (Andres) Smith Date: 2022.01.25 11:33:39 -06'00' Other Quality Assurance Section Only Revised SOP or Document Title Effective Date Attachments 9223 E.coli and Total Coliform 070121A 01/26/22 Yes No Notes or Conditions This DRF is effective until said SOP or document undergoes its annual or subsequent full review. *?*URXS:LVH?'5)0DVWHUGRF 1 of 20 Page 14 of 35 . 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Standard perating Procedure %'HWHUPLQDWLRQRI(FROLDQG7RWDOFROLIRUPV Effective Date: 7/1/21 0317DEOH Page 18 of 7KH6WDQGDUG2SHUDWLQJ3URFHGXUHKDVEHHQSUHSDUHGIRUWKHVROHXVHRI:D\SRLQW$QDO\WLFDO//& 19 of 20 Page 32 of 35 . Standard perating Procedure %'HWHUPLQDWLRQRI(FROLDQG7RWDOFROLIRUPV Effective Date: 7/1/21 Page 19 of 7KH6WDQGDUG2SHUDWLQJ3URFHGXUHKDVEHHQSUHSDUHGIRUWKHVROHXVHRI:D\SRLQW$QDO\WLFDO//& 20 of 20 Page 33 of 35 Customer Number: 10536 Customer Name: EPA Region IV Report Number: 23-166-0055 Fed Ex UPS US Postal Client Shipment Receipt Form Shipping Method Lab Courier Other : Thermometer ID: NA Shipping container/cooler uncompromised? Number of coolers/boxes received Custody seals intact on shipping container/cooler? Custody seals intact on sample bottles? Chain of Custody (COC) present? COC agrees with sample label(s)? COC properly completed Samples in proper containers? Sample containers intact? Sufficient sample volume for indicated test(s)? All samples received within holding time? Cooler temperature in compliance? Cooler/Samples arrived at the laboratory on ice. Samples were considered acceptable as cooling process had begun. Water - Sample containers properly preserved Water - VOA vials free of headspace Trip Blanks received with VOAs Soil VOA method 5035 - compliance criteria met High concentration container (48 hr) High concentration pre-weighed (methanol -14 d) Special precautions or instructions included? Comments: Yes No 1 Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Yes No Not Present Not Present Yes No N/A Yes No N/A Yes No N/A Yes No N/A Low concentration EnCore samplers (48 hr) Low conc pre-weighed vials (Sod Bis -14 d) Yes No Signature: Carleen Qualls Date & Time: 06/15/2023 10:57:06 Page 34 of 35 Page 35 of 35 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY Region 4 Laboratory Services and Applied Science Division 980 College Station Road, Athens, Georgia 30605-2700 D.A.R.T. Id: 23-0274 Project: 23-0274, Knott County WWTP Recon - Reported by Kristin Trapp June 28, 2023 MEMORANDUM SUBJECT: FROM: THRU: TO: FINAL Analytical Report Project: 23-0274, Knott County WWTP Recon Kristin Trapp LSB Inorganic Chemistry Section Chief Stacie Masters, Chief Laboratory Services Branch Christopher McHugh Attached are the final results for the analytical groups listed below. This report shall not be reproduced except in full without approval of the Region 4 laboratory. These analyses were performed in accordance with the Laboratory Services Branch's Laboratory Operations and Quality Assurance Manual (LSB LOQAM) found at www.epa.gov/region4/sesd/asbsop. Any unique project data quality objectives specified in writing by the data requestor have also been incorporated into the data unless otherwise noted in the Report Narrative. Chemistry data have been verified based on the LSB LOQAM specifications and have been qualified by this laboratory if the applicable quality control criteria were not met. Verification is defined in Chapter 5 of the LSB LOQAM. For a listing of specific data qualifiers and explanations, please refer to the Data Qualifier Definitions included in this report. The reported results are accurate within the limits of the method(s) and are representative only of the samples as received by the laboratory. Analyses Included in this report: Method Used: Accreditations: Classical/Nutrient Analyses (CNA) Demand Solids SM 5210B (Water) ISO USGS I-3765-85 (Water) ISO Page 1 of 7 E232409 CNA FINAL 06 28 23 0757 6/28/23 7:57 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY Region 4 Laboratory Services and Applied Science Division 980 College Station Road, Athens, Georgia 30605-2700 D.A.R.T. Id: 23-0274 Project: 23-0274, Knott County WWTP Recon - Reported by Kristin Trapp Sample Disposal Policy Due to limited space for long term sample storage, LSB's policy is to dispose of samples on a periodic schedule. Air samples collected in summa canisters will be disposed of 30 days following the issuance of this report. All other sample media including original samples, sample extracts and or digestates will be disposed of, in accordance with applicable regulations, 60 days from the date of this report. This sample disposal policy does not apply to criminal samples which are held until the laboratory is notified by the criminal investigators that case development and litigation are complete. These samples may be held in the laboratory's custody for a longer period of time. If samples require storage beyond the 60-day period, please contact the Sample Control Coordinator by e-mail at R4SampleCustody@epa.gov. Page 2 of 7 E232409 CNA FINAL 06 28 23 0757 6/28/23 7:57 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY Region 4 Laboratory Services and Applied Science Division 980 College Station Road, Athens, Georgia 30605-2700 D.A.R.T. Id: 23-0274 Project: 23-0274, Knott County WWTP Recon - Reported by Kristin Trapp SAMPLES INCLUDED IN THIS REPORT Project: 23-0274, Knott County WWTP Recon Sample ID EFF001-0614 Laboratory ID E232409-01 Matrix Wastewater Date Collected 6/14/23 10:45 Date Received 6/15/23 12:05 Page 3 of 7 E232409 CNA FINAL 06 28 23 0757 6/28/23 7:57 None UNITED STATES ENVIRONMENTAL PROTECTION AGENCY Region 4 Laboratory Services and Applied Science Division 980 College Station Road, Athens, Georgia 30605-2700 D.A.R.T. Id: 23-0274 Project: 23-0274, Knott County WWTP Recon - Reported by Kristin Trapp DATA QUALIFIER DEFINITIONS ACRONYMS AND ABBREVIATIONS CAS Chemical Abstracts Service Note: Analytes with no known CAS identifiers have been assigned codes beginning with "E", the EPA ID as assigned by the EPA Substance Registry System (www.epa.gov/srs), or beginning with "R4-", a unique identifier assigned by the EPA Region 4 laboratory. MDL Method Detection Limit - The minimum concentration of a substance (an analyte) that can be measured and reported with a 99% confidence that the analyte concentration is greater than zero. MRL Minimum Reporting Limit - Analyte concentration that corresponds to the lowest demonstrated level of acceptable quantitation. The MRL is sample-specific and accounts for preparation weights and volumes, dilutions, and moisture content of soil/sediments. TIC Tentatively Identified Compound - An analyte identified based on a match with the instrument software's mass spectral library. A calibration standard has not been analyzed to confirm the compound's identification or the estimated concentration reported. ACCREDITATIONS: ISO Accredited to ISO/IEC 17025:2017 and accreditation requirements for Forensic Science Testing Laboratories. Refer to the certificate and scope of accreditation FT-0330 at: http://www.epa.gov/aboutepa/about-region-4s-science-and-ecosystem-support-division-sesd NR Not accredited for this test. DW Accredited for conformance with ISO/IEC 17025:2017 and testing elements in the Fifth Edition of the Manual for the Certification of Laboratories Analyzing Drinking Water, EPA 815-R-05-004, 2005. Refer to the certificate and scope of accreditation AT-2628 at: http://www.epa.gov/aboutepa/about-region-4s-science-and-ecosystem-support-division-sesd ISO/DW Accredited to ISO/IEC 17025:2017 and accreditation requirements for Forensic Science Testing Labs, and conformance with ISO/IEC 17025:2017 and testing elements in the Manual for the Certification of Laboratories Analyzing Drinking Water. Page 4 of 7 E232409 CNA FINAL 06 28 23 0757 6/28/23 7:57 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY Region 4 Laboratory Services and Applied Science Division 980 College Station Road, Athens, Georgia 30605-2700 D.A.R.T. Id: 23-0274 Project: 23-0274, Knott County WWTP Recon - Reported by Kristin Trapp Classical/Nutrient Analyses Project: 23-0274, Knott County WWTP Recon Sample ID: EFF001-0614 Station ID: EFF001 Date Collected: 6/14/23 10:45 CAS Number Analyte Lab ID: E232409-01 Matrix: Wastewater Results Qualifiers Units MRL Prepared Analyzed Method E1640614 E1642818 BOD, 5 Day, Carbonaceous Total Suspended Solids 39 mg/L 2.0 6/15/23 6/20/23 SM 5210B 13:57 11:00 36 mg/L 5.0 6/20/23 6/20/23 USGS I-3765-85 7:27 7:27 Page 5 of 7 E232409 CNA FINAL 06 28 23 0757 6/28/23 7:57 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY Region 4 Laboratory Services and Applied Science Division 980 College Station Road, Athens, Georgia 30605-2700 D.A.R.T. Id: 23-0274 Project: 23-0274, Knott County WWTP Recon - Reported by Kristin Trapp Analyte Batch 2306030 - C SM5210 BOD Blank (2306030-BLK1) SM 5210B BOD, 5 Day, Carbonaceous Classical/Nutrient Analyses (CNA) - Quality Control US-EPA, Region 4, LSASD Result Reporting Limit Units Spike Source %REC Level Result %REC Limits RPD Prepared: 06/15/23 Analyzed: 06/20/23 U 2.0 mg/L RPD Limit Notes U LCS (2306030-BS1) Prepared: 06/15/23 Analyzed: 06/20/23 SM 5210B BOD, 5 Day, Carbonaceous 150.80 2.0 mg/L 170.00 88.7 47.5-152.3 A Batch 2306032 - C 2540 Solids Blank (2306032-BLK1) USGS I-3765-85 Total Suspended Solids LCS (2306032-BS1) USGS I-3765-85 Total Suspended Solids LCS Dup (2306032-BSD1) USGS I-3765-85 Total Suspended Solids Duplicate (2306032-DUP1) USGS I-3765-85 Total Suspended Solids MRL Verification (2306032-PS1) USGS I-3765-85 Total Suspended Solids Prepared & Analyzed: 06/20/23 U 5.0 mg/L 100.90 Prepared & Analyzed: 06/20/23 5.0 mg/L 100.00 101 77.1-110 103.00 Prepared & Analyzed: 06/20/23 5.0 mg/L 100.00 103 77.1-110 2.06 Source: E232409-01 Prepared & Analyzed: 06/20/23 33.600 5.0 mg/L 35.900 6.62 3.9000 Prepared & Analyzed: 06/20/23 5.0 mg/L 5.0000 78.0 57.1-130 U 10 10 MRL-2, U Page 6 of 7 E232409 CNA FINAL 06 28 23 0757 6/28/23 7:57 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY Region 4 Laboratory Services and Applied Science Division 980 College Station Road, Athens, Georgia 30605-2700 D.A.R.T. Id: 23-0274 Project: 23-0274, Knott County WWTP Recon - Reported by Kristin Trapp U A MRL-2 Notes and Definitions for QC Samples The analyte was not detected at or above the reporting limit. The analyte was analyzed in replicate. Reported value is an average value of the replicates. MRL verification for Non-Potable Water matrix Page 7 of 7 E232409 CNA FINAL 06 28 23 0757 6/28/23 7:57 KPDES No.: KY0042854 AI No.: 2527 Caney Creek WWTP 7034 KY 899 Pippa Passes, Knott County, Kentucky Date: May 15, 2019 Public Notice Information Public Notice Start Date: March 20, 2019 Comment Due Date: April 19, 2019 General information concerning the public notice process may be obtained on the Division of Water's Public Notice Webpage at the following address: https://eec.ky.gov/Environmental-Protection/Water/Pages/Water-Public-Notices-and-Hearings.aspx. Public Notice Comments Comments must be received by the Division of Water no later than 4:30 PM on the closing date of the comment period. Comments may be submitted by e-mail at: DOWPublicNotice@ky.gov or written comments may be submitted to the Division of Water at 300 Sower Blvd, Frankfort, Kentucky 40601. Reference Documents A copy of this proposed fact sheet, proposed permit, the application, other supporting material and the current status of the application may be obtained from the Department for Environmental Protection's Pending Approvals Search Webpage: http://dep.gateway.ky.gov/eSearch/Search_Pending_Approvals.aspx?Program=Wastewater&NumDaysDoc= 30. Open Records Copies of publicly-available documents supporting this fact sheet and proposed permit may also be obtained from the Department for Environmental Protection Central Office. Information regarding these materials may be obtained from the Open Records Coordinator at (502) 782-6849 or by e-mail at EEC.KORA@ky.gov. DEPARTMENT FOR ENVIRONMENTAL PROTECTION Division of Water, 300 Sower Blvd, Frankfort, Kentucky 40601 Printed on Recycled Paper KPDES Fact Sheet KY0042854 Page 2 THIS KPDES FACT SHEET CONSISTS OF THE FOLLOWING SECTIONS: 1. FACILITY SYNOPSIS ......................................................................................................................4 1.1. Name and Address of Applicant ......................................................................................................... 4 1.2. Facility Location .................................................................................................................................. 4 1.3. Description of Applicant's Operation ................................................................................................. 4 1.4. Wastewaters Collected and Treatment .............................................................................................. 4 1.5. Permitting Action ................................................................................................................................ 4 2. RECEIVING / INTAKE WATERS ......................................................................................................6 2.1. Receiving Waters ................................................................................................................................ 6 2.2. Intake Waters - Nearest Downstream Intake .................................................................................... 6 3. OUTFALL 001 ...............................................................................................................................8 3.1. Outfall Description .............................................................................................................................. 8 3.2. Reported Values.................................................................................................................................. 8 3.3. Effluent Limitations and Monitoring Requirements........................................................................... 9 3.4. Pertinent Factors .............................................................................................................................. 12 3.5. Justification of Requirements ........................................................................................................... 13 4. COLLECTION SYSTEM REQUIREMENTS........................................................................................17 4.1. General Prohibitions ......................................................................................................................... 17 4.2. Capacity, Management, Operation and Maintenance (CMOM) Programs ...................................... 17 5. OTHER CONDITIONS ..................................................................................................................18 5.1. Schedule of Compliance.................................................................................................................... 18 5.2. Antidegradation ................................................................................................................................ 18 5.3. Sludge Disposal ................................................................................................................................. 18 5.4. Standard Conditions ......................................................................................................................... 18 5.5. Sufficiently Sensitive Analytical Methods......................................................................................... 18 5.6. Certified Laboratory.......................................................................................................................... 18 5.7. Certified Operators ........................................................................................................................... 18 5.8. Application Monitoring..................................................................................................................... 18 5.9. Monthly Operating Reports (MORs)................................................................................................. 19 5.10. Location Map .................................................................................................................................. 20 KPDES Fact Sheet KY0042854 Page 3 SECTION 1 FACILITY SYNOPSIS KPDES Fact Sheet KY0042854 Page 4 1. FACILITY SYNOPSIS 1.1. Name and Address of Applicant Knott County Water and Sewer District 7777 Big Branch Rd Vicco, Kentucky 41773 1.2. Facility Location Caney Creek WWTP 7034 KY 899 Pippa Passes, Knott County, Kentucky 1.3. Description of Applicant's Operation Publicly-Owned Treatment Works (POTW) and associated collection system. 1.4. Wastewaters Collected and Treatment The following table lists the actual average flow reported, the facility's approved long-term average design treatment capacity, the wastewater types collected, and the treatment type for each outfall: Outfall No. Avg. Flow (MGD) 001 0.114 Design Capacity (MGD) 0.100 TABLE 1. Wastewater Types Collected Domestic (Sanitary) Wastewater Treatment Type Mixing, aeration, clarification, chlorine disinfection, dechlorination, and discharge to surface water. Solids are aerobically digested, dewatered and landfilled. 1.5. Permitting Action This is a reissuance of a minor KPDES permit for an existing POTW [SIC Code 4952]. This renewal removes monitoring requirements for Hardness, Calcium, Copper, Lead and Zinc. KPDES Fact Sheet KY0042854 Page 5 SECTION 2 RECEIVING/INTAKE WATERS KPDES Fact Sheet KY0042854 Page 6 2. RECEIVING / INTAKE WATERS 2.1. Receiving Waters All surface waters of the Commonwealth have been assigned stream use designations consisting of one or more of the following designations: Warmwater Aquatic Habitat (WAH), Primary Contact Recreation (PCR), Secondary Contact Recreation (SCR), Domestic Water Supply (DWS), Coldwater Aquatic Habitat (CAH) or Outstanding State Resource Water (OSRW)[401 KAR 10:026]. All surface waters of the Commonwealth are assigned one of the following antidegradation categories: Outstanding National Resource Water (ONRW), Exceptional Water (EW), Impaired Water (IW) or High Quality Water (HQ)[401 KAR 10:030]. Surface waters categorized as an IW are listed in Kentucky's most recently approved Integrated Report to Congress on the Condition of Water Resources in Kentucky - Volume II. 303(d) List of Surface Waters. The following table lists the stream use classifications associated with this permit. TABLE 2. Antidegradation Categor y 7Q10 Low Flow (cfs) Harmonic Mean Flow (cfs) Receiving Water Name Use Designation Caney Fork WAH, FC, PCR, SCR IW 0.0 0.49 This segment of Caney Fork (mile point 7.5 to 11.6) is listed as impaired in the 2016 303(d) List of Waters for Kentucky. Impaired uses are Warm Water Aquatic Habitat (nonsupport). The pollutants of concern are Organic Enrichment (Sewage) Biological Indicators, Nutrient/Eutrophication Biological Indicators, Specific Conductance, and Total Dissolved Solids. The suspected sources are Municipal Point Source Discharges and Coal Mining, Petroleum/natural Gas Activities. Caney Fork (mile point 0.0 to 7.5) is listed as impaired in the 2016 303(d) List of Waters for Kentucky. Impaired uses are Warm Water Aquatic Habitat (nonsupport). The pollutants of concern are Nutrient/Eutrophication Biological Indicators, Specific Conductance, and Total Dissolved Solids. The suspected sources are Package Plant or Other Permitted Small Flows Discharges and Coal Mining, Package Plant or Other Permitted Small Flows Discharges, Petroleum/natural Gas Activities. A TMDL was issued in 2010 for e. Coli in the Beaver Creek Watershed which includes this segment and includes a wasteload allocation for this WWTP. 2.2. Intake Waters - Nearest Downstream Intake TABLE 3. Miles Downstream 7Q10 Low Flow (cfs) Harmonic Mean Flow (cfs) Intake Water Name Public Water Supply Name Latitude (N) Decimal Degrees Longitude (W) Decimal Degrees Prestonsburg WTP Prestonsburg City Utilities 37.667489 82.743964 46.3 169 683 KPDES Fact Sheet KY0042854 Page 7 SECTION 3 OUTFALL 001 KPDES Fact Sheet KY0042854 Page 8 3. OUTFALL 001 3.1. Outfall Description The following table lists the outfall type, location, and description: Outfall Type External Latitude (N) 37.350556 Longitude (W) 82.862583 TABLE 4. Receiving Water Caney Fork 3.2. Reported Values The following table summarizes the reported values for Outfall 001: TABLE 5. Reported Parameters Flow, Effluent pH CBOD52, Effluent CBOD52, Influent CBOD52, Percent Removal TSS3, Effluent TSS3, Influent TSS3, Percent Removal Ammonia (as mg/l NH3N) May 1 - October 31 November 1 - April 30 Dissolved Oxygen E. Coli4 Total Residual Chlorine Total Nitrogen7, Effluent Total Phosphorus, Effluent Hardness (as mg/l CaCO3) Units MGD SU mg/l mg/l % mg/l mg/l % mg/l mg/l mg/l #/100 ml mg/l mg/l mg/l mg/l Loadings (lbs./day) Monthly Maximum Average Weekly Average 0.114 0.1808 N/A N/A 9.1 16.48 N/A N/A N/A N/A 13.0 21.98 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Description of Outfall Domestic Wastewater from a Publicly Owned Treatment Works Minimum N/A 6.05 N/A N/A N/A N/A N/A N/A EFFLUENT Concentrations Monthly Maximum Average Weekly Average N/A N/A N/A N/A 8.9 15.08 138.0 224.28 93.1 N/A 12.1 19.48 119.0 198.18 86.3 N/A N/A 7.5 11.88 N/A 6.7 11.28 4.20 N/A N/A N/A 2055 81976 N/A 0.010 .0588 N/A 10.9 17.48 N/A 1.43 2.498 N/A 178.9 248.68 Maximum N/A 8.75 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A KPDES Fact Sheet KY0042854 Page 9 TABLE 5. EFFLUENT Reported Parameters Units Loadings (lbs./day) Monthly Maximum Average Weekly Average Minimum Concentrations Monthly Maximum Average Weekly Average Cadmium, total recoverable mg/L N/A N/A N/A 0.000085 0.0000851 Copper, total recoverable mg/L N/A N/A N/A 0.00365 0.003651 Lead, total recoverable mg/L N/A N/A N/A 0.0012 0.00121 Zinc, total recoverable mg/L N/A N/A N/A 0.0186 0.01861 1Daily Maximum 2CBOD5 - Carbonaceous Biochemical Oxygen Demand, 5-day 3Total Suspended Solids 4E. Coli - Escherichia Coli Bacteria 5Thirty (30) day Geometric Mean 6Seven (7) day Geometric Mean 7Total Nitrogen is the summation of the analytical results for Total Nitrates, Total Nitrites, and Total Kjeldahl Nitrogen 8Weekly Average Maximum N/A N/A N/A N/A The above values are based on 5-year DMR averages from 2/28/2014 to 01/31/2019. 3.3. Effluent Limitations and Monitoring Requirements The following table summarizes the effluent limitations and monitoring requirements for Outfall 001: TABLE 6. EFFLUENT LIMITATIONS MONITORING REQUIREMENTS Effluent Characteristic Flow, Effluent Flow, Influent pH CBOD52, Effluent CBOD52, Influent Units MGD MGD SU mg/l mg/l Loadings (lbs/day) Monthly Average Maximum Weekly Average Report Report1 Report Report1 N/A N/A 21 34 N/A N/A Minimum N/A N/A 6.0 N/A N/A Concentrations Monthly Average Maximum Weekly Average N/A N/A N/A N/A N/A N/A 25 40 Report Report Maximum N/A N/A 9.0 N/A N/A Frequency Sample Type Continuous Continuous 1/Week 1/Week 1/Week Recorder Calculated Grab 24-Hr Composite3 24-Hr Composite3 KPDES Fact Sheet KY0042854 Page 10 TABLE 6. EFFLUENT LIMITATIONS MONITORING REQUIREMENTS Effluent Characteristic CBOD52 Percent Removal4 Units % Loadings (lbs/day) Monthly Average Maximum Weekly Average N/A N/A Minimum N/A Concentrations Monthly Average Maximum Weekly Average 85 N/A Maximum N/A Frequency 1/Month Sample Type Calculated4 TSS5, Effluent mg/l 26 38 N/A 30 45 N/A 1/Week 24-Hr Composite3 TSS5, Influent mg/l N/A N/A N/A Report Report N/A 1/Week 24-Hr Composite3 TSS5, Percent Removal4 % N/A N/A N/A 85 N/A N/A 1/Month Calculated4 Ammonia (as mg/l NH3N) May 1 - October 31 mg/l N/A N/A N/A 4 61 N/A 1/Week 24-Hr Composite3 November 1 - April 30 mg/l N/A N/A N/A 10 151 N/A 1/Week 24-Hr Composite3 Dissolved Oxygen mg/l N/A N/A 7.0 N/A N/A N/A 1/Week Grab E. Coli6 #/100 ml N/A N/A N/A 1307 2408 N/A 1/Week Grab Total Residual Chlorine mg/l N/A N/A N/A 0.011 0.0191 N/A 1/Week Grab Total Nitrogen9, Effluent mg/l N/A N/A N/A Report Report1 N/A 1/Week 24-Hr Composite3 Total Nitrogen9, Influent mg/l N/A N/A N/A Report Report1 N/A 1/Week 24-Hr Composite3 Total Phosphorus, Effluent mg/l N/A N/A N/A Report Report1 N/A 1/Week 24-Hr Composite3 Total Phosphorus, Influent mg/l N/A N/A N/A Report Report1 N/A 1/Week 24-Hr Composite3 Chronic WET10 TUC N/A N/A N/A N/A N/A 1.00 1/Quarter (11) 1Daily Maximum 2 CBOD5 - Carbonaceous Biochemical Oxygen Demand, 5-day 3A 24-hour composite is a sample collected using an automated sampler set to collect equal volume aliquots of at least 100 ml each every 15 minutes over a 24 hour period. The sample must be maintained at between 0 C and 6 C at all times. 4 (Monthly Average Influent - Monthly Average Effluent ) Percent Removal is calculated using the following equation: Percent Removal = 100 Monthly Average Influent 5TSS - Total Suspended Solids 6E. Coli - Escherichia Coli Bacteria 7Thirty (30) day Geometric Mean 8Seven (7) day Geometric Mean 9Total Nitrogen is the summation of the analytical results for Total Nitrates, Total Nitrites, and Total Kjeldahl Nitrogen KPDES Fact Sheet KY0042854 Page 11 TABLE 6. EFFLUENT LIMITATIONS Loadings (lbs/day) Concentrations Effluent Characteristic Units Monthly Average Maximum Weekly Average Minimum Monthly Average Maximum Weekly Average Maximum 10WET - Whole Effluent Toxicity 11Three (3) 24-hour composite samples with one each collected every other day for a period of five (5) days, i.e. days 1, 3, & 5 MONITORING REQUIREMENTS Frequency Sample Type KPDES Fact Sheet KY0042854 Page 12 3.4. Pertinent Factors The effluent limitations for this outfall were developed in accordance with DOW's General Procedures for Limitations Development located on DOW's webpage at: https://eec.ky.gov/EnvironmentalProtection/Forms%20Library/General%20Procedures%20for%20Limitations%20Development.pdf 3.4.1. Secondary Treatment Standards Discharges from POTWs are subject to the technology-based effluent limitations (TBELs) known as the Secondary Treatment Standards. Both state and federal regulations establish the requirements for secondary treatment [401 KAR 5:045 and 401 KAR 5:080, Section 8(3) - 40 CFR 133.102 - respectively]. TABLE 7. State Defined Secondary Treatment Standards Pollutant or Pollutant Characteristic 30-day average BOD5 (mg/l) 30 TSS (mg/l) 30 7-day average 45 45 TABLE 8. Federal Defined Secondary Treatment Standards Pollutant or Pollutant Characteristic Minimum 30-day average BOD5 (mg/l) N/A 30 BOD5 Percent Removal (%) N/A 85 CBOD5 (mg/l) N/A 25 CBOD5 Percent Removal (%) N/A 85 TSS (mg/l) N/A 30 TSS Percent Removal (%) N/A 85 pH (standard units) 6.0 N/A 7-day average 45 N/A 40 N/A 45 N/A N/A Maximum N/A N/A N/A N/A N/A N/A 9.0 3.4.2. Water Quality-Based Effluent Limitations The following table lists those pollutants and/or pollutant characteristics of concern that DOW has determined exhibit reasonable potential to cause or contribute to an excursion of a water quality-based criterion, and the basis of DOW's determination. These determinations are consistent with the DOW's reasonable potential analysis (RPA) procedures outlined in Permitting Procedures For Determining "Reasonable Potential" Kentucky Division of Water May 1, 2000. Pollutant or Pollutant Characteristic Total Residual Chlorine Whole Effluent Toxicity TABLE 9. Basis The POTW uses a chlorine-based disinfection process on this outfall The POTW discharges nutrients at a level which have the reasonable potential to cause or contribute to an excursion above any State water quality standard, including State narrative criteria for water quality. KPDES Fact Sheet KY0042854 Page 13 3.4.3. Calculation of Water Quality-Based Effluent Limitations These calculations were performed using a Microsoft EXCEL based workbook developed by DOW. The workbook is designed to compare effluent data to the applicable water quality standards while also incorporating the characteristics of the receiving water and any regulatory ZID and/or MZ. The following table summarizes the results of these calculations for this outfall: Effluent Characteristic Cadmium Copper Lead Zinc TABLE 10. Units Reported Avg Reported Max Average Limitation Maximum Limitation Average Maximum MZF Data Discharge % Discharge % Source g/L 0.085 0.085 0.416584542 3.85548346 20.40 2.20 0 DMR g/L 3.65 3.65 15.34241432 24.22911251 23.79 15.06 0 DMR g/L 1.2 1.2 6.676154385 171.3215381 17.97 0.70 0 DMR g/L 18.6 1.86 196.2269688 196.2269688 9.48 0.95 0 DMR 3.4.4. Nutrients These effluent characteristics are generally associated with sanitary wastewaters and organic effluents. While this facility treats wastewater that includes domestic wastewater and/or wastewater from organic sources, these constituents are present in quantities that demonstrate reasonable potential to cause or contribute to an excursion of the narrative water quality standard. As discussed in the DOW's General Procedures for Limitations Development, the applicable factors in 40 CFR 122.44(d)(1) and the designated uses established in 401 KAR 10:026 were considered in making this determination. The DOW has considered whether this facility was designed for and was previously issued a construction permit requiring achievement of a numerical limit. Accordingly, this permit contains an effluent limitation for Whole Effluent Toxicity. 3.5. Justification of Requirements The Title 401 Chapters 5 and 10 of the Kentucky Administrative Regulations (KARs) and Title 40 of the Code of Federal Regulations (CFR) cited in the following have been duly promulgated pursuant to the requirements of Chapter 224 of the Kentucky Revised Statutes (KRSs) and the Clean Water Act (CWA) respectively. At a minimum all permits shall contain technology-based effluent limitations (TBELs) [401 KAR 5:065, Section 2(4) - 40 CFR 122.44(a)]. When necessary to achieve water quality standards all permits shall contain WQBELs [401 KAR 5:065, Section 2(4) - 40 CFR 122.44(d)]. The WQBELs included in this permit are based upon the KYWQS [401 KAR 10:031]. 3.5.1. Aliquot Size All sampling for reportable monitoring is required to be representative of the discharge. The federal Environmental Protection Agency has found that collection of aliquots of less than 100 ml can lead to sediment bias in the sample. The minimum aliquot size required by the permit is consistent with the NPDES Compliance Inspection Manual, No. 305-K-17-001 Revised Jan 2017 and with 401 KAR 5:065 Section 2 [40 CFR 122.41 (j)]. 3.5.2. Flow (Effluent & Influent) The monitoring requirements for these parameters are consistent with the KPDES permit program requirements for establishing effluent limitations, standards, and permit conditions [401 KAR 5:065, Section 2(4) - 40 CFR 122.44(i)(1)(ii)] and requirements for recording and reporting of monitoring results [401 KAR 5:050, Section 4 - 40 CFR 122.48]. KPDES Fact Sheet KY0042854 Page 14 3.5.3. CBOD5 (Effluent) The limitations for this parameter are the secondary treatment standards for POTWs as defined in both state and federal regulations [401 KAR 5:045, Section 3, 401 KAR 5:080, Section 8(3) - 40 CFR 133.102]. DOW found that it was necessary to impose WQBELs for this parameter in order to achieve water quality standards [401 KAR 5:065, Section 2(4) - 40 CFR 122.44(d)]. These effluent limitations are also consistent with KYWQS [401 KAR 10:031, Section 4(1)(e) & (i) respectively]. The EPA's River and Stream Water Quality Model (QUAL 2E/K) was used to develop these limitations. 3.5.4. TSS (Effluent) The limitations for this parameter are the secondary treatment standards for POTWs as defined in both state and federal regulations [401 KAR 5:045, Section 3, 401 KAR 5:080, Section 8(3) - 40 CFR 133.102 respectively]. These effluent limitations are also consistent with KYWQS [401 KAR 10:031, Section 4(1)(f)]. 3.5.5. CBOD5 (Influent) and TSS (Influent) The monitoring requirements for these parameters are consistent with the KPDES permit program requirements for establishing effluent limitations, standards, and permit conditions [401 KAR 5:065, Section 2(4) - 40 CFR 122.44(i)(1)(i)] and requirements for recording and reporting of monitoring results [401 KAR 5:050, Section 4 - 40 CFR 122.48]. 3.5.6. CBOD5 (Percent Removal) and TSS (Percent Removal) The limitations for these parameters are the secondary treatment standards for POTWs as defined in federal regulations. [401 KAR 5:080, Section 8(3) - 40 CFR 133.102] 3.5.7. Ammonia and Dissolved Oxygen The limitations for these parameters are WQBELs developed using the EPA's River and Stream Water Quality Model (QUAL 2E/K) [401 KAR 10:031, Section 4(1)(e) & (i)]. 3.5.8. E. Coli The limitations for E. Coli are consistent with the KYWQS [401 KAR 10:031, Section 7]. 3.5.9. pH The limitations for this parameter are both TBELs and WQBELs. The limitations are consistent the secondary treatment standards for POTWs as defined in federal regulations and the KYWQS [401 KAR 5:080, Section 8(3) - 40 CFR 133.102, and 401 KAR 10:031, Sections 4(1)(b) and 7 - respectively]. 3.5.10. Total Residual Chlorine The limitations for this parameter are consistent with Kentucky's Water Quality Standards [401 KAR 10:031, Sections 4(1)(k)]. 3.5.11. Hardness, Cadmium, Copper, Lead, and Zinc (Removal of Limitations) The removal of limitations for these parameters is consistent with Kentucky's Water Quality Standards [401 KAR 10:031, Section 6]. The limitations have been removed from the permit because the reasonable potential analysis performed did not indicate that the discharge concentrations of these pollutants exceed 70% of the calculated chronic/acute water quality-based effluent limitations (WQBELs) for these pollutants. KPDES Fact Sheet KY0042854 Page 15 3.5.12. Chronic WET The limitations for this parameter are consistent with Kentucky's Water Quality Standards [401 KAR 10:031, Sections 4(1)(j)]. 3.5.13. Total Phosphorus and Total Nitrogen (Effluent & Influent) Excess nutrients impact water quality by causing adverse effects on natural water chemistry and indigenous aquatic community. The Division of Water has concluded that reasonable potential exists for exceedance of a narrative water quality criterion for nutrients for which no numeric limit has been promulgated. Per 401 KAR 10:031 and 40 CFR 122.44 (d)(1)(v) Whole Effluent Toxicity limitations have been applied. The monitoring requirements for this parameter are consistent with the KPDES permit program requirements for establishing effluent limitations, standards, and permit conditions [401 KAR 5:065, Section 2(4) - 40 CFR 122.44(i)(1)(i)] and requirements for recording and reporting of monitoring results [401 KAR 5:050, Section 4 - 40 CFR 122.48]. KPDES Fact Sheet KY0042854 Page 16 SECTION 4 COLLECTION SYSTEM REQUIREMENTS KPDES Fact Sheet KY0042854 Page 17 4. COLLECTION SYSTEM REQUIREMENTS 4.1. General Prohibitions The following prohibitions apply to the collection system and its users: (1) There shall be no sanitary sewer overflows (SSOs); (2) No user shall introduce any pollutant or pollutants that will cause pass through or interference with the operation of the POTW and the collection system; or (3) No user shall introduce any of the following pollutants: a. Pollutants which create a fire or explosion hazard, including but not limited to, wastestreams with a closed cup flashpoint of less than 140 oF (60 oC); b. Pollutants which will cause corrosive structural damage or have a pH less than 5.0 standard units unless the POTW is designed to accommodate such pH levels; c. Solid or viscous pollutants in amounts that would obstruct the flow to the POTW thus resulting in interference; d. Any pollutant released in a discharge at such a volume or strength as to cause interference in the POTW; e. Heat in such quantities that the temperature at the POTW treatment plant exceeds 104 oF (40 oC) unless the POTW requests and the Approval Authority grants alternate temperature limits; f. Petroleum oil, non-biodegradable cutting oil, or products of mineral oil origin in amounts that will cause interference or pass-through; g. Pollutants which result in the presence of toxic gases, vapors, or fumes within the POTW in a quantity that may cause acute worker health and safety problems; and, h. Any trucked or hauled waste except, at discharge points designated by the POTW. All POTWs, in cases where pollutants contributed by user(s) of the collection system are likely to result in reoccurring interference or pass-through, shall develop and enforce specific effluent limits for industrial user(s), and all other users, as appropriate, which, together with appropriate changes in the POTW treatment plant's facilities or operation, are necessary to ensure renewed and continued compliance with the POTW's KPDES permit or sludge use or disposal practices. These prohibitions are consistent with Kentucky's general prohibition against water pollution, the Combined Sewer Overflow Control Policy of 1994 (CSO Policy), and the national pretreatment standards prohibited discharges applicable to all POTW collection systems [KRS 224.70-110, 33 U.S.C. 1342 (q) and 401 KAR 5:055, Section 11 - 40 CFR 403.5 respectively] 4.2. Capacity, Management, Operation and Maintenance (CMOM) Programs The permittee shall develop and implement CMOM programs that: (1) better manages, operates, and maintains collection systems, (2) investigates capacity constrained areas of the collection system, (3) proactively prevents or minimizes SSOs, and (4) responds to SSO events. Guidance for the development of effective CMOM programs is available at the following EPA web address: http://www.epa.gov/npdes/pubs/cmom_guide_for_collection_systems.pdf This requirement replaces the requirement to develop and implement a Best Management Practices (BMP) plan imposed in prior permits. The imposition of this requirement is consistent with the standard conditions applied to all permits regarding the proper operation and maintenance of all facilities and systems of treatment and control including all related appurtenances [401 KAR 5:065, Section 2(1) - 40 CFR 122.41(e)]. KPDES Fact Sheet KY0042854 Page 18 5. OTHER CONDITIONS 5.1. Schedule of Compliance The permittee will comply with all effluent limitations by the effective date of the permit except as specified below [401 KAR 5:050, Section 3 - 40 CFR 122.47]. All conditions of the Agreed Order in Commonwealth of Kentucky Energy and Environment Cabinet, Division of Enforcement in re Knott Co. Water & Sewer District - Caney Creek WWTP, Case No. DOW150080, filed January 5, 2016, are hereby incorporated as enforceable conditions of this KPDES permit, including the submission of all required reports and plans by the dates specified by the Agreed Order. 5.2. Antidegradation The conditions of Kentucky's Antidegradation Policy have been satisfied [401 KAR 10:029, Section 1]. This permitting action is a reissuance of a KPDES permit that does not authorize an expanded discharge from a POTW. The POTW has developed an approved regional facility plan in accordance with state wastewater planning requirements for regional planning agencies [401 KAR 5:006]. This approved plan constitutes compliance with socioeconomic demonstration and alternatives analysis of the Antidegradation Policy Implementation Methodology [401 KAR 10:030, Section 1(3)(b)2b]. 5.3. Sludge Disposal The disposal or final use of sewage sludge generated during the treatment of domestic sewage by a POTW shall be disposed of in accordance with state and federal requirements [401 KAR Chapter 45 and 40 CFR 503]. 5.4. Standard Conditions The conditions listed in the Standard Conditions Section of the permit are consistent with the conditions applicable to all permits [401 KAR 5:065, Section 2(1) - 40 CFR 122.41]. 5.5. Sufficiently Sensitive Analytical Methods Analytical methods utilized to demonstrate compliance with the effluent limitations established in this permit shall be sufficiently sensitive to detect pollutant levels at or below the required effluent limit, i.e. the Method Minimum Level (ML) shall be at or below the effluent limit. In that instance where a 40 CFR 136 approved method does not exist that has a ML at or below the established effluent limitation, the permittee shall: (1) use the method specified in the permit; or (2) the 40-CFR 136 approved method with a ML that is nearest to the established effluent limit [401 KAR 5:065, Section 2(4) - 40 CFR 122.44(i)]. 5.6. Certified Laboratory All environmental analysis to be performed by a certified laboratory is consistent with the certified wastewater laboratory requirements [401 KAR 5:320, Section2]. 5.7. Certified Operators Wastewater treatment plants and wastewater collection systems that accept wastewaters containing domestic sewage are to be operated by a certified operator [401 KAR 5:010]. 5.8. Application Monitoring POTWs are required to complete application Form A which requires a minimum of three (3) samples to be collected and analyzed. To ensure that sufficient samples are collected and analyzed, DOW placed sampling requirements within the permit. The results of the application monitoring shall be submitted on an annual DMR and summarized on the renewal application [401 KAR 5:065, Section 2(1) - 40 CFR 122.41(j) and 401 KAR 5:050, Section 4 - 40 CFR 122.48]. KPDES Fact Sheet KY0042854 Page 19 Additional application monitoring, if any, is for parameters not listed on Form A. The state has an applicable water quality standard for this parameter or has concluded that the monitoring is appropriate for specific parameters on a case-by-case basis [401 KAR 5:060, Section 2 (3) - 40 CFR 122.21 (j) (4)(iv)] 5.9. Monthly Operating Reports (MORs) In addition to the monitoring of effluent as specified by the permit, the permittee shall conduct process control monitoring on a daily basis. Process control monitoring is that monitoring performed by the operators of the wastewater treatment plant to determine if the wastewater system is operating at its optimum efficiency. This monitoring includes but is not limited to influent and effluent quality and quantity monitoring, chemical usage, sludge monitoring including volume produced, wasted, and disposed, and monitoring of internal units such as aeration basins and oxidation ditches. The data is recommended to be recorded using the Microsoft EXCEL-based Monthly Operating Report (MOR) workbook available on the Department for Environmental Protection's Forms webpage at: https://eec.ky.gov/Environmental-Protection/Forms%20Library/MOR-eMOR.xls Alternatively, the permittee may choose to use their own electronic MOR workbook, as long as it includes the information required by the above form and/or is approved by the Division's Regional Field Office Supervisor. The updated workbook shall be maintained on-site and made available upon request by Cabinet personnel. These additional monitoring requirements are consistent with state and federal regulations that require the permit to include as appropriate monitoring requirements to assure compliance with the permit limitations [401 KAR 5:050, Section 4 - 40 CFR 122.48]. 5.10. Location Map KPDES Fact Sheet KY0042854 Page 20 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY Region 4 Laboratory Services and Applied Science Division 980 College Station Road, Athens, Georgia 30605-2700 D.A.R.T. Id: 23-0274 Project: 23-0274, Knott County WWTP Recon - Reported by Kristin Trapp July 14, 2023 MEMORANDUM SUBJECT: FROM: THRU: TO: FINAL Analytical Report Project: 23-0274, Knott County WWTP Recon Kristin Trapp LSB Inorganic Chemistry Section Chief Stacie Masters, Chief Laboratory Services Branch Christopher McHugh Attached are the final results for the analytical groups listed below. This report shall not be reproduced except in full without approval of the Region 4 laboratory. These analyses were performed in accordance with the Laboratory Services Branch's Laboratory Operations and Quality Assurance Manual (LSB LOQAM) found at www.epa.gov/region4/sesd/asbsop. Any unique project data quality objectives specified in writing by the data requestor have also been incorporated into the data unless otherwise noted in the Report Narrative. Chemistry data have been verified based on the LSB LOQAM specifications and have been qualified by this laboratory if the applicable quality control criteria were not met. Verification is defined in Chapter 5 of the LSB LOQAM. For a listing of specific data qualifiers and explanations, please refer to the Data Qualifier Definitions included in this report. The reported results are accurate within the limits of the method(s) and are representative only of the samples as received by the laboratory. Analyses Included in this report: Method Used: Accreditations: Classical/Nutrient Analyses (CNA) Ammonia as N Ammonia/TKN Nitrate and/or Nitrite Phosphorous EPA 350.1 (Water) EPA 351.2 (Water) EPA 353.2 (Water) EPA 365.1 (Water) ISO ISO ISO/DW ISO Page 1 of 10 E232409 CNA FINAL 07 14 23 1044 7/14/23 10:44 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY Region 4 Laboratory Services and Applied Science Division 980 College Station Road, Athens, Georgia 30605-2700 D.A.R.T. Id: 23-0274 Project: 23-0274, Knott County WWTP Recon - Reported by Kristin Trapp Sample Disposal Policy Due to limited space for long term sample storage, LSB's policy is to dispose of samples on a periodic schedule. Air samples collected in summa canisters will be disposed of 30 days following the issuance of this report. All other sample media including original samples, sample extracts and or digestates will be disposed of, in accordance with applicable regulations, 60 days from the date of this report. This sample disposal policy does not apply to criminal samples which are held until the laboratory is notified by the criminal investigators that case development and litigation are complete. These samples may be held in the laboratory's custody for a longer period of time. If samples require storage beyond the 60-day period, please contact the Sample Control Coordinator by e-mail at R4SampleCustody@epa.gov. Page 2 of 10 E232409 CNA FINAL 07 14 23 1044 7/14/23 10:44 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY Region 4 Laboratory Services and Applied Science Division 980 College Station Road, Athens, Georgia 30605-2700 D.A.R.T. Id: 23-0274 Project: 23-0274, Knott County WWTP Recon - Reported by Kristin Trapp SAMPLES INCLUDED IN THIS REPORT Project: 23-0274, Knott County WWTP Recon Sample ID EFF001-0614 Laboratory ID E232409-01 Matrix Wastewater Date Collected 6/14/23 10:45 Date Received 6/15/23 12:05 Page 3 of 10 E232409 CNA FINAL 07 14 23 1044 7/14/23 10:44 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY Region 4 Laboratory Services and Applied Science Division 980 College Station Road, Athens, Georgia 30605-2700 D.A.R.T. Id: 23-0274 Project: 23-0274, Knott County WWTP Recon - Reported by Kristin Trapp DATA QUALIFIER DEFINITIONS D-2 J QC-1 QC-6 QL-2 QM-1 QM-3 QR-2 Due to Matrix Interference, the sample cannot be accurately quantified. The reported result is estimated. The identification of the analyte is acceptable; the reported value is an estimate. Analyte concentration low in continuing calibration verification standard Calibration check standard greater than method control limits. Laboratory Control Spike Recovery greater than method control limits Matrix Spike Recovery less than method control limits Matrix Spike Precision outside method control limits MRL verification recovery greater than upper control limits. Page 4 of 10 E232409 CNA FINAL 07 14 23 1044 7/14/23 10:44 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY Region 4 Laboratory Services and Applied Science Division 980 College Station Road, Athens, Georgia 30605-2700 D.A.R.T. Id: 23-0274 Project: 23-0274, Knott County WWTP Recon - Reported by Kristin Trapp ACRONYMS AND ABBREVIATIONS CAS Chemical Abstracts Service Note: Analytes with no known CAS identifiers have been assigned codes beginning with "E", the EPA ID as assigned by the EPA Substance Registry System (www.epa.gov/srs), or beginning with "R4-", a unique identifier assigned by the EPA Region 4 laboratory. MDL Method Detection Limit - The minimum concentration of a substance (an analyte) that can be measured and reported with a 99% confidence that the analyte concentration is greater than zero. MRL Minimum Reporting Limit - Analyte concentration that corresponds to the lowest demonstrated level of acceptable quantitation. The MRL is sample-specific and accounts for preparation weights and volumes, dilutions, and moisture content of soil/sediments. TIC Tentatively Identified Compound - An analyte identified based on a match with the instrument software's mass spectral library. A calibration standard has not been analyzed to confirm the compound's identification or the estimated concentration reported. ACCREDITATIONS: ISO Accredited to ISO/IEC 17025:2017 and accreditation requirements for Forensic Science Testing Laboratories. Refer to the certificate and scope of accreditation FT-0330 at: http://www.epa.gov/aboutepa/about-region-4s-science-and-ecosystem-support-division-sesd NR Not accredited for this test. DW Accredited for conformance with ISO/IEC 17025:2017 and testing elements in the Fifth Edition of the Manual for the Certification of Laboratories Analyzing Drinking Water, EPA 815-R-05-004, 2005. Refer to the certificate and scope of accreditation AT-2628 at: http://www.epa.gov/aboutepa/about-region-4s-science-and-ecosystem-support-division-sesd ISO/DW Accredited to ISO/IEC 17025:2017 and accreditation requirements for Forensic Science Testing Labs, and conformance with ISO/IEC 17025:2017 and testing elements in the Manual for the Certification of Laboratories Analyzing Drinking Water. Page 5 of 10 E232409 CNA FINAL 07 14 23 1044 7/14/23 10:44 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY Region 4 Laboratory Services and Applied Science Division 980 College Station Road, Athens, Georgia 30605-2700 D.A.R.T. Id: 23-0274 Project: 23-0274, Knott County WWTP Recon - Reported by Kristin Trapp Classical/Nutrient Analyses Project: 23-0274, Knott County WWTP Recon Sample ID: EFF001-0614 Station ID: EFF001 Date Collected: 6/14/23 10:45 CAS Number Analyte Lab ID: E232409-01 Matrix: Wastewater Results Qualifiers Units MRL Prepared Analyzed Method 7664-41-7 E17148461 E701177 Ammonia as N Total Kjeldahl Nitrogen Nitrate/Nitrite as N 7723-14-0 Total Phosphorus 8.2 mg/L 12 mg/L 0.062 J, D-2, QC-1, mg/L QC-6, QL-2, QM-1, QM-3, QR-2 1.4 mg/L 0.10 0.50 0.050 7/07/23 8:42 6/23/23 8:40 7/06/23 11:06 7/07/23 EPA 350.1 14:53 6/27/23 EPA 351.2 9:55 7/06/23 EPA 353.2 16:25 0.050 6/28/23 10:36 7/05/23 EPA 365.1 15:06 Page 6 of 10 E232409 CNA FINAL 07 14 23 1044 7/14/23 10:44 Analyte Batch 2306023 - C 351.2 TKN Blank (2306023-BLK1) EPA 351.2 Total Kjeldahl Nitrogen UNITED STATES ENVIRONMENTAL PROTECTION AGENCY Region 4 Laboratory Services and Applied Science Division 980 College Station Road, Athens, Georgia 30605-2700 D.A.R.T. Id: 23-0274 Project: 23-0274, Knott County WWTP Recon - Reported by Kristin Trapp Classical/Nutrient Analyses (CNA) - Quality Control US-EPA, Region 4, LSASD Result Reporting Limit Units Spike Source %REC Level Result %REC Limits RPD RPD Limit Notes Prepared: 06/23/23 Analyzed: 06/27/23 U 0.050 mg/L U LCS (2306023-BS1) EPA 351.2 Total Kjeldahl Nitrogen 1.4590 Prepared: 06/23/23 Analyzed: 06/27/23 0.050 mg/L 1.4600 99.9 90-110 Matrix Spike (2306023-MS1) EPA 351.2 Total Kjeldahl Nitrogen Source: E232402-42 1.2780 0.050 mg/L Prepared: 06/23/23 Analyzed: 06/27/23 1.0030 0.27100 100 90-110 Matrix Spike (2306023-MS2) EPA 351.2 Total Kjeldahl Nitrogen Source: E232409-01 13.400 0.50 mg/L Prepared: 06/23/23 Analyzed: 06/27/23 1.0030 12.140 126 90-110 XM-1 Matrix Spike Dup (2306023-MSD1) EPA 351.2 Total Kjeldahl Nitrogen Source: E232402-42 Prepared: 06/23/23 Analyzed: 06/27/23 1.3280 0.050 mg/L 1.0030 0.27100 105 90-110 3.84 20 Matrix Spike Dup (2306023-MSD2) EPA 351.2 Total Kjeldahl Nitrogen Source: E232409-01 Prepared: 06/23/23 Analyzed: 06/27/23 13.300 0.50 mg/L 1.0030 12.140 116 90-110 0.749 20 XM-1 MRL Verification (2306023-PS1) EPA 351.2 Total Kjeldahl Nitrogen 0.050000 Prepared: 06/23/23 Analyzed: 06/27/23 0.050 mg/L 0.050000 100 70-130 MRL-2 Batch 2306039 - C 350.1 Ammonia Blank (2306039-BLK1) Prepared & Analyzed: 07/07/23 EPA 350.1 Ammonia as N U 0.050 mg/L U LCS (2306039-BS1) EPA 350.1 Ammonia as N 0.96100 Prepared & Analyzed: 07/07/23 0.050 mg/L 1.0030 95.8 90-110 Page 7 of 10 E232409 CNA FINAL 07 14 23 1044 7/14/23 10:44 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY Region 4 Laboratory Services and Applied Science Division 980 College Station Road, Athens, Georgia 30605-2700 D.A.R.T. Id: 23-0274 Project: 23-0274, Knott County WWTP Recon - Reported by Kristin Trapp Analyte Batch 2306039 - C 350.1 Ammonia Matrix Spike (2306039-MS1) EPA 350.1 Ammonia as N Classical/Nutrient Analyses (CNA) - Quality Control US-EPA, Region 4, LSASD Result Reporting Limit Units Spike Source %REC Level Result %REC Limits RPD Source: E232409-01 9.1240 0.10 mg/L Prepared & Analyzed: 07/07/23 1.0030 8.2280 89.3 90-110 RPD Limit Notes XM-1 Matrix Spike Dup (2306039-MSD1) EPA 350.1 Ammonia as N Source: E232409-01 Prepared & Analyzed: 07/07/23 9.0540 0.10 mg/L 1.0030 8.2280 82.4 90-110 0.770 10 XM-1 MRL Verification (2306039-PS1) EPA 350.1 Ammonia as N 0.037000 Prepared & Analyzed: 07/07/23 0.050 mg/L 0.050000 74.0 70-130 MRL-2, U Batch 2306058 - C 365.1 TPhos Blank (2306058-BLK1) Prepared: 06/28/23 Analyzed: 07/05/23 EPA 365.1 Total Phosphorus U 0.010 mg/L U LCS (2306058-BS1) EPA 365.1 Total Phosphorus 0.39700 Prepared: 06/28/23 Analyzed: 07/05/23 0.010 mg/L 0.39300 101 90-110 Matrix Spike (2306058-MS1) EPA 365.1 Total Phosphorus Source: E232409-01 1.9350 0.050 mg/L Prepared: 06/28/23 Analyzed: 07/05/23 0.50000 1.4350 100 90-110 Matrix Spike Dup (2306058-MSD1) EPA 365.1 Total Phosphorus Source: E232409-01 Prepared: 06/28/23 Analyzed: 07/05/23 1.9250 0.050 mg/L 0.50000 1.4350 98.0 90-110 0.518 10 MRL Verification (2306058-PS1) EPA 365.1 Total Phosphorus 0.012000 Prepared: 06/28/23 Analyzed: 07/05/23 0.010 mg/L 0.010000 120 70-130 MRL-2 Batch 2307009 - C 353.2 NO3-NO2 Blank (2307009-BLK1) EPA 353.2 Page 8 of 10 E232409 CNA FINAL 07 14 23 1044 Prepared & Analyzed: 07/06/23 7/14/23 10:44 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY Region 4 Laboratory Services and Applied Science Division 980 College Station Road, Athens, Georgia 30605-2700 D.A.R.T. Id: 23-0274 Project: 23-0274, Knott County WWTP Recon - Reported by Kristin Trapp Analyte Batch 2307009 - C 353.2 NO3-NO2 Blank (2307009-BLK1) Nitrate/Nitrite as N Classical/Nutrient Analyses (CNA) - Quality Control US-EPA, Region 4, LSASD Result Reporting Limit Units Spike Source %REC Level Result %REC Limits RPD Prepared & Analyzed: 07/06/23 U 0.050 mg/L RPD Limit Notes U LCS (2307009-BS1) EPA 353.2 Nitrate/Nitrite as N 0.75180 Prepared & Analyzed: 07/06/23 0.050 mg/L 0.50000 150 90-110 QL-2 Matrix Spike (2307009-MS1) EPA 353.2 Nitrate/Nitrite as N Source: E232409-01 0.48630 0.050 mg/L Prepared & Analyzed: 07/06/23 0.50000 0.061600 84.9 90-110 QM-1 Matrix Spike Dup (2307009-MSD1) EPA 353.2 Nitrate/Nitrite as N MRL Verification (2307009-PS1) EPA 353.2 Nitrate/Nitrite as N Source: E232409-01 Prepared & Analyzed: 07/06/23 0.23590 0.050 mg/L 0.50000 0.061600 34.9 90-110 69.3 0.074400 Prepared & Analyzed: 07/06/23 0.050 mg/L 0.050000 149 70-130 10 QM-1, QM-3 MRL-2, QR-2 Page 9 of 10 E232409 CNA FINAL 07 14 23 1044 7/14/23 10:44 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY Region 4 Laboratory Services and Applied Science Division 980 College Station Road, Athens, Georgia 30605-2700 D.A.R.T. Id: 23-0274 Project: 23-0274, Knott County WWTP Recon - Reported by Kristin Trapp U MRL-2 QL-2 QM-1 QM-3 QR-2 XM-1 Notes and Definitions for QC Samples The analyte was not detected at or above the reporting limit. MRL verification for Non-Potable Water matrix Laboratory Control Spike Recovery greater than method control limits Matrix Spike Recovery less than method control limits Matrix Spike Precision outside method control limits MRL verification recovery greater than upper control limits. Sample background/spike ratio higher than method evaluation criteria Page 10 of 10 E232409 CNA FINAL 07 14 23 1044 7/14/23 10:44