WILSALL WATER DISTRICT
PWSID: MT0000362 · Wilsall, MT · Serves 250 people
According to EPA Safe Drinking Water Information System (SDWIS), WILSALL WATER DISTRICT (PWSID MT0000362) in Wilsall, MT is listed as a CWS water system covering about 250 people. The same extract lists 6 health-based violation records spanning 2018-2025. Those 6 health-based rows for WILSALL WATER DISTRICT cover contaminants such as Surface Water Treatment Rule, Nitrate-Nitrite; they remain historical EPA registry entries, not a current compliance or drinkability score.
WILSALL WATER DISTRICT has 6 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 2 distinct EPA contaminant codes appear in this system's record, including Surface Water Treatment Rule, Nitrate-Nitrite. Recorded violations span 2018–2025. Day-to-day primacy enforcement for this system runs through the Montana drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Montana state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- MT0000362
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Wilsall, MT
- Population Served
- 250
- Health Violations
- Yes (6)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Surface Water Treatment Rule | 5 | 5 |
| Nitrate-Nitrite | 1 | 1 |
Violation History (6)
| Contaminant | Health | Date |
|---|---|---|
| Surface Water Treatment Rule | Yes | Oct 1, 2025 |
| Surface Water Treatment Rule | Yes | Oct 1, 2025 |
| Surface Water Treatment Rule | Yes | Sep 1, 2025 |
| Surface Water Treatment Rule | Yes | Sep 1, 2025 |
| Surface Water Treatment Rule | Yes | Oct 3, 2019 |
| Nitrate-Nitrite | Yes | Apr 1, 2018 |
Frequently Asked Questions
What does EPA SDWIS list for WILSALL WATER DISTRICT?
How many people does WILSALL WATER DISTRICT serve?
What violations does WILSALL WATER DISTRICT have?
What contaminants have been found in WILSALL WATER DISTRICT water?
Compare beyond Montana
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest WILSALL WATER DISTRICT on cumulative violation count (6) and EPA-reported population served (250). Violation-count peers include CHEROKEE WATER SYSTEM, FOUR BEARS WATER SYSTEM, SPIRIT LAKE WATER MANAGEMENT RWS.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
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About This Data
WILSALL WATER DISTRICT (MT0000362) is drawn from EPA SDWIS. Nearby county systems in this extract include LIVINGSTON CITY OF; GARDINER PARK CO WATER DIST; CLYDE PARK WATER DEPT; COOKE CITY WATER DISTRICT. Health-based rows (6 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.