HYSHAM TOWN OF
PWSID: MT0000428 · Hysham, MT · Serves 262 people
According to EPA Safe Drinking Water Information System (SDWIS), HYSHAM TOWN OF (PWSID MT0000428) in Hysham, MT is listed as a CWS water system covering about 262 people. The same extract lists 19 health-based violation records spanning 2022-2025. Those 19 health-based rows for HYSHAM TOWN OF cover contaminants such as Surface Water Treatment Rule, Interim Enhanced Surface Water Treatment Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
HYSHAM TOWN OF has 19 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, Interim Enhanced Surface Water Treatment Rule. Recorded violations span 2022–2025. 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)
- MT0000428
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Hysham, MT
- Population Served
- 262
- Health Violations
- Yes (19)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Surface Water Treatment Rule | 16 | 16 |
| Interim Enhanced Surface Water Treatment Rule | 3 | 3 |
Violation History (19)
| Contaminant | Health | Date |
|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | Yes | Jul 1, 2025 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Jul 1, 2025 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Jun 1, 2025 |
| Surface Water Treatment Rule | Yes | Dec 1, 2022 |
| Surface Water Treatment Rule | Yes | Dec 1, 2022 |
| Surface Water Treatment Rule | Yes | Dec 1, 2022 |
| Surface Water Treatment Rule | Yes | Dec 1, 2022 |
| Surface Water Treatment Rule | Yes | Oct 1, 2022 |
| Surface Water Treatment Rule | Yes | Oct 1, 2022 |
| Surface Water Treatment Rule | Yes | Oct 1, 2022 |
| Surface Water Treatment Rule | Yes | Sep 1, 2022 |
| Surface Water Treatment Rule | Yes | Sep 1, 2022 |
| Surface Water Treatment Rule | Yes | Sep 1, 2022 |
| Surface Water Treatment Rule | Yes | Sep 1, 2022 |
| Surface Water Treatment Rule | Yes | Aug 1, 2022 |
| Surface Water Treatment Rule | Yes | Aug 1, 2022 |
| Surface Water Treatment Rule | Yes | Aug 1, 2022 |
| Surface Water Treatment Rule | Yes | Apr 1, 2022 |
| Surface Water Treatment Rule | Yes | Apr 1, 2022 |
Frequently Asked Questions
What does EPA SDWIS list for HYSHAM TOWN OF?
How many people does HYSHAM TOWN OF serve?
What violations does HYSHAM TOWN OF have?
What contaminants have been found in HYSHAM TOWN OF water?
Compare beyond Montana
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest HYSHAM TOWN OF on cumulative violation count (19) and EPA-reported population served (262). Violation-count peers include GAMBELL WATER SYSTEM, MURFREESBORO WATERWORKS, NORTH HOWARD RURAL WATER ASSOCIATION.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
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About This Data
HYSHAM TOWN OF (MT0000428) is drawn from EPA SDWIS. Health-based rows in this extract are MCL and Treatment Technique records spanning 2022-2025 covering Surface Water Treatment Rule, Interim Enhanced Surface Water Treatment Rule. Historical registry entries, 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.