Document XRZGR1xbvLLqyRLdq3naqnQmx

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 10 1200 Sixth Avenue, Suite 155 Seattle, WA 98101 WATER DIVISION February 9, 2023 Ms. Joni Wynecoop Spokane Tribe Of Indians P.O. Box 100 6195 Ford-Wellpinit Road Wellpinit, WA 99040 Re: Violations for Failure to Monitor and Report Mccoy Lake, PWS ID 105300021 Dear Ms. Wynecoop: The EPA did not receive sample results for the regulated drinking water contaminants in the table below as required under the National Primary Drinking Water Regulations (NPDWR). As a result, Mccoy Lake is in violation of the NPDWRs. Violation Monitoring and Reporting Monitoring and Reporting Compliance Period 1/1/2020-12/31/2022 1/1/2020-12/31/2022 Analyte Radionuclides (Gross Alpha & Combined Radium (-226 & -228) Arsenic Citation 40 CFR 141.26 40 CFR 141.23 To return to compliance you must either: 1. Submit sample results if a sample was collected during the monitoring period. OR 1. Collect samples according to your current monitoring schedule and submit the results to EPA. 2. Notify customers of this violation within one year in your Consumer Confidence Report (CCR). 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-to-government consultation, in accordance with the EPA Policy on Consultation and Coordination with Indian Tribes. Please contact the Groundwater and Drinking Water Section at (206) 553-6253 or R10TribalDW@epa.gov to determine next steps or if you have questions. Sincerely, KAREN BURGESS Digitally signed by KAREN BURGESS Date: 2023.02.09 20:53:44 -08'00' Karen Burgess, Manager Groundwater and Drinking Water Section cc: Laddie Folster, IHS Spokane District Office