Document xJ2L1zQdZ854dLYxZKZn60D0

February 12, 2024 Michael Roberts Sauk-Suiattle Indian Tribe 5318 Chief Brown Lane Darrington, WA 98241 Failure to Monitor or Report Contaminants, Sauk-Suiattle, PWS ID 105311106 Dear Michael Roberts: The Environmental Protection Agency (EPA) has not received sample results for the following regulated drinking water contaminants, which constitutes a violation of the National Primary Drinking Water Regulations [40 CFR 141.23(a)], [40 CFR 141.24(f)]: Analyte Nitrate VOCs Compliance Period January 2023 December 2023 January 2023 December 2023 Sample Site ID SS-15 SS-15 Sample Site Name WELL #4 FINISHED TAP WELL #4 FINISHED TAP Sauk-Suiattle is required to monitoring for these drinking water contaminants during the compliance periods listed in the monitoring and compliance schedule. Results must be reported to the EPA by the tenth (10th) of the month following the sampling period [40 CFR 141.31(a)]. To return to compliance Sauk-Suiattle must either: 1. If samples were already collected, submit results to R10TribalDW@epa.gov as soon as possible. -OR- 2. Collect samples as soon as possible and submit results to R10TribalDW@epa.gov. Please visit Drinking Water Watch for sampling schedules (https://sdwisdww.epa.gov/DWWR10/). Additionally, Sauk-Suiattle must: 1. Distribute Tier 3 Public Notification (PN) within 1 year of receiving this letter [40 CFR 141.204(b)]. -AND- 2. Submit a copy of the PN that was distributed and the completed PN Certification Form to R10TribalDW@epa.gov within 10 days after issuing the notice [40 CFR 141.31(d)(1)]. A Public Notification template, instructions, and certification are enclosed to assist with completing the requirements. For community water systems only, the annual Consumer Confidence Report (CCR) may be used as a vehicle for the initial Tier 3 public notice, and all required repeat notices, instead of individual Tier 3 public notices, under 40 CFR 141.204(b)(2). This letter serves as initial notification of non-compliance under the Safe Drinking Water Act for the regulation and time period cited. EPA supports compliance assistance and encourages early action to return to compliance. Issues not addressed in a timely manner may be referred to enforcement. Prior to an enforcement action for the cited violation(s), EPA Region 10 will offer government-togovernment consultation, in accordance with the EPA Policy on Consultation and Coordination with Indian Tribes. Please contact R10TribalDW@epa.gov with questions. Sincerely, DEREK Digitally signed by DEREK SCHRUHL SCHRUHL Date: 2024.02.12 18:15:04 -08'00' For Karen Burgess Manager Groundwater and Drinking Water Section cc: Sandy Redsteer, Indian Health Service 2