PRYOR WATER SYSTEM
Montana - Community Water System - PWSID: 083090012
System Information
| PWSID | 083090012 |
| System Name | PRYOR WATER SYSTEM |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 4, 1980 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | Montana |
| City | CROW AGENCY |
| ZIP Code | 59022 |
| Address | P.O. Box 129 |
| Organization | STOPS, JR., MARVIN (WES) |
| Phone | 406-697-4765 |
Population & Service
| Population Served | 406 |
| Service Connections | 98 |
Drinking Water Violations (226)
This water system has 226 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 30, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Oct 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | - | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | - | - | Archived | Dec 31, 2025 | - | |
| Oct 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Oct 20, 2025 | - | |
| Dec 30, 2023 | - | MR | No | No | - | TT | - | Resolved | Jul 28, 2023 | - | |
| Dec 7, 2023 | - | MR | No | Yes | - | - | - | Resolved | Jan 10, 2025 | - | |
| Oct 1, 2023 | - | Other | No | No | - | - | - | Resolved | May 7, 2024 | - | |
| Oct 1, 2023 | - | Other | No | No | - | - | - | Resolved | May 7, 2024 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | May 22, 2024 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | May 22, 2024 | - | |
| Jan 1, 2023 | Mar 31, 2023 | MR | No | No | - | 4.0 mg/L | - | Resolved | Mar 14, 2023 | - | |
| Dec 30, 2022 | - | MR | No | No | - | TT | - | Resolved | Jul 28, 2023 | - | |
| Jul 1, 2022 | Sep 30, 2022 | MR | No | No | - | 4.0 mg/L | - | Resolved | Sep 30, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2024 | - | |
| Nov 28, 2020 | - | TT | Yes | No | - | - | - | Resolved | May 13, 2021 | - | |
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Jun 2, 2022 | - | |
| Apr 1, 2020 | Apr 30, 2020 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2020 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.00005 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.00005 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.0002 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2022 | - |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.