Document ZknRNk4G79z78JpE3r160O4O

February 9, 2024 Roland Marshall Shoshone Bannock Tribes P. O. Box 306 Fort Hall, ID 83203 Failure to Monitor or Report Contaminants, Fort Hall, PWS ID 101612109 Dear Roland Marshall: 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)], [40 CFR 141.26(a)(1) - community water systems only]: Analyte VOCs Compliance Period January 2023 December 2023 Sample Site ID FH-03.6 Sample Site Name WELL #4 FINISHED TAP Fort Hall 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 Fort Hall 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, Fort Hall 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: 2024.02.09 18:31:28 -08'00' For Karen Burgess Manager Groundwater and Drinking Water Section cc: Cody Anderson, Shoshone-Bannock Tribe Laddie Folster, IHS Spokane District Office 2