BLACKFEET DORM. WATER SYSTEM
Montana — Community Water System — PWSID: 083090002
System Information
| PWSID | 083090002 |
| System Name | BLACKFEET DORM. WATER SYSTEM |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 4, 1980 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Montana |
| City | BROWNING |
| ZIP Code | 59417 |
| Address | P.O. Box 880 |
| Organization | AUGARE, PAUL |
| Phone | 406-338-3243 |
Population & Service
| Population Served | 66 |
| Service Connections | 14 |
Drinking Water Violations (22)
This water system has 22 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 8, 2025 | — | Groundwater Rule | TT | Yes | No | — | — | — | Unaddressed | — | Ground Water Rule |
| Aug 1, 2024 | Aug 31, 2024 | Chlorine | MR | No | No | — | 4.0 mg/L | — | Resolved | Aug 31, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2011 | Dec 31, 2011 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2011 | Nitrate Rule |
| Dec 1, 2006 | Dec 31, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2006 | Total Coliform Rule |
| Dec 1, 2006 | Dec 31, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2006 | Total Coliform Rule |
| Dec 1, 2006 | Dec 31, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2006 | Total Coliform Rule |
| Oct 1, 2005 | Dec 31, 2005 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jan 1, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2005 | Dec 31, 2005 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jan 1, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2005 | Dec 31, 2005 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jan 1, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2005 | Dec 31, 2005 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2005 | Dec 31, 2005 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2005 | Dec 31, 2005 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2005 | Dec 31, 2005 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2005 | Dec 31, 2005 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2005 | Dec 31, 2005 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2005 | Dec 31, 2005 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2005 | Dec 31, 2005 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2000 | Sep 30, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Sep 30, 2000 | Total Coliform Rule |
| Apr 1, 2000 | Apr 30, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Apr 30, 2000 | Total Coliform Rule |
| Sep 1, 1992 | Sep 30, 1992 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1992 | Total Coliform Rule |
| Jun 1, 1976 | May 31, 1980 | Gross Alpha, Excl. Radon and U | MR | No | No | — | 15 pCi/L | — | Archived | May 31, 1980 | Radionuclides and Revised Rad Rule |
| Jun 1, 1976 | May 31, 1980 | Combined Radium (-226 and -228) | MR | No | No | — | 5 pCi/L | — | Archived | May 31, 1980 | Radionuclides and Revised Rad Rule |
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.