BOULDER CITY OF
PWSID: MT0000158 · Boulder, MT · Serves 1,400 people
According to EPA Safe Drinking Water Information System (SDWIS), BOULDER CITY OF (PWSID MT0000158) in Boulder, MT is listed as a CWS water system covering about 1,400 people. The same extract lists 3 health-based violation records spanning 2006-2022. Those 3 health-based rows for BOULDER CITY OF cover contaminants such as Surface Water Treatment Rule, Lead and Copper Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
BOULDER CITY OF has 3 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, Lead and Copper Rule. Recorded violations span 2006–2022. 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)
- MT0000158
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Boulder, MT
- Population Served
- 1,400
- Health Violations
- Yes (3)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Surface Water Treatment Rule | 2 | 2 |
| Lead and Copper Rule | 1 | 1 |
Violation History (3)
| Contaminant | Health | Date |
|---|---|---|
| Surface Water Treatment Rule | Yes | Jul 1, 2022 |
| Surface Water Treatment Rule | Yes | Jul 1, 2022 |
| Lead and Copper Rule | Yes | Jun 1, 2006 |
Frequently Asked Questions
What does EPA SDWIS list for BOULDER CITY OF?
How many people does BOULDER CITY OF serve?
What violations does BOULDER CITY OF have?
What contaminants have been found in BOULDER CITY OF water?
Compare beyond Montana
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest BOULDER CITY OF on cumulative violation count (3) and EPA-reported population served (1,400). Violation-count peers include Mohegan Tribal Utility Authority, RED CLIFF NORTH, Tesuque Pueblo. Population peers include QUITMAN WATERWORKS, MAYER DWID, ALAMEDA POINT.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
BOULDER CITY OF (MT0000158) is drawn from EPA SDWIS. Nearby county systems in this extract include WHITEHALL TOWN OF; SADDLE MOUNTAIN CORP CLANCY; FOREST PARK WATER USERS ASSOCIATION; BLUE SKY HEIGHTS WUA CLANCY. Health-based rows (3 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.