HELENA WATER SYSTEM
PWSID: MT0000241 · Helena, MT · Serves 32,091 people
According to EPA Safe Drinking Water Information System (SDWIS), HELENA WATER SYSTEM (PWSID MT0000241) in Helena, MT is listed as a CWS water system covering about 32,091 people. The same extract lists 12 health-based violation records spanning 2022-2023. Those 12 health-based rows for HELENA WATER SYSTEM cover contaminants such as Total Haloacetic Acids (HAA5); they remain historical EPA registry entries, not a current compliance or drinkability score.
HELENA WATER SYSTEM has 12 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. 1 distinct EPA contaminant code appears in this system's record, including Total Haloacetic Acids (HAA5). Recorded violations span 2022–2023. 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)
- MT0000241
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Helena, MT
- Population Served
- 32,091
- Health Violations
- Yes (12)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Total Haloacetic Acids (HAA5) | 12 | 12 |
Violation History (12)
| Contaminant | Health | Date |
|---|---|---|
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2023 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2023 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2023 |
| Total Haloacetic Acids (HAA5) | Yes | Jan 1, 2023 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Oct 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2022 |
| Total Haloacetic Acids (HAA5) | Yes | Jul 1, 2022 |
Frequently Asked Questions
What does EPA SDWIS list for HELENA WATER SYSTEM?
How many people does HELENA WATER SYSTEM serve?
What violations does HELENA WATER SYSTEM have?
What contaminants have been found in HELENA WATER SYSTEM water?
Compare beyond Montana
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest HELENA WATER SYSTEM on cumulative violation count (12) and EPA-reported population served (32,091). Violation-count peers include SAC & FOX (MESKWAKI) IN IOWA, Walker River Paiute Tribe, CRAIG PUBLIC WORKS. Population peers include BROWN COUNTY RURAL WATER, MAGNA WATER DISTRICT, NORTHVILLE TOWNSHIP.
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
HELENA WATER SYSTEM (MT0000241) is drawn from EPA SDWIS. Nearby county systems in this extract include EAST HELENA CITY OF; EASTGATE VILLAGE SEWER AND WATER; VA MEDICAL CENTER HELENA; HELENA LEISURE LLC. Health-based rows (12 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.