Document KRMVk3e7JKN1ejxRn1MmawmaN

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY, REGION 8 DRINKING WATER ENFORCEMENT INSPECTION (8ENF-W-SD) Section A: Facility Data Public Water System Location: (PWS) Crow Reservation, Name: MT Pryor Public Water System PWS Identification (ID) #: 083090012 System Type: Community Non-Community Non-Transient Non-Community Unannounc Population Water Source: ed Served: Ground Water Inspection? 406 Surface Water Y N (SW) Ground Water Under Direct Influence SW Name(s) and Email(s) of Owner(s): Frank White Clay, Chairman, Crow Tribe of Montana Name(s) of on-site representative(s) and title(s): Chris Dillon, Crow Public Utility Director Other System Data (e.g., other descriptive information): N/A Section B: Background Information Inspection Date: January 6-7, 2025 Date Lead EPA Inspector: Rachel Brookins, Steven Latino Additional EPA Inspector(s): N/A Additional EPA Representatives Present: Kenley Stone, Water Division Open Violations/Date(s): Significant Deficiencies: The air vent on Tank ST01 must have a solid cover to prevent rain and blown debris from entering the tank. Lack of Lead Tap Sample Siting Plan (TSSP). Failure to take triggered source water sample following a total coliform positive sample on November 29, 2023. Failure to monitor Disinfection Byproducts (DBP) in August 2024. 1|Page  Failure to monitor for lead and copper June 1 and September 30, 2024. Section C: Inspection Purpose Purpose: Evaluate status of open violations. Section D: Areas Evaluated During Inspection (check only those evaluated) Enforcement Sampling Ownership Maintenance Action Verification Records Compliance Facility Tour Compliance w/ Photos Attached Plan Section E: Preliminary Findings While on site, Chris Dillon completed a plan and schedule for the significant deficiency listed below: The air vent on Tank ST01 must have a solid cover to prevent rain and blown debris from entering the tank. The estimated schedule for correction for this deficiency is May 2025. While on site, Chris Dillon completed a Lead and Copper Sample Site Plan. While on site, Chris Dillon completed the Tier 2 Public Notice for failure to correct significant deficiencies. While on site, Chris Dillon completed the Tier 3 Public Notice for failure to monitor for DBPs. Accompanied Chris Dillon to take the three missing triggered groundwater rule source samples at each of the system's three wells. Name(s) and signature(s) of inspectors: Form completed by: Steven Latino______Title: Inspector___Date: 1/15/2025______ RACHEL Digitally signed by RACHEL BROOKINS BROOKINS 09:19:12 -07'00' Date: 2025.02.07 02/07/2025 Admin review: ____________________________________ Date: ______________ Technical review: Rachel Brookins___________________ Date: 1/22/25________ STEVEN Digitally signed by STEVEN LATINO LATINO Date: 2025.02.07 07:27:44 -07'00' Lead Inspector Electronic Signature: ________________________________ 2|Page