RYAN DAM WATER SYSTEM
PWSID: MT0000046 · Helena, MT · Serves 230 people
According to EPA Safe Drinking Water Information System (SDWIS), RYAN DAM WATER SYSTEM (PWSID MT0000046) in Helena, MT is listed as a CWS water system covering about 230 people. The same extract lists 2 health-based violation records spanning 2023-2023. Those 2 health-based rows for RYAN DAM WATER SYSTEM cover contaminants such as Revised Total Coliform Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
RYAN DAM WATER SYSTEM has 2 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 Revised Total Coliform Rule. Recorded violations span 2023–2023. 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)
- MT0000046
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Helena, MT
- Population Served
- 230
- Health Violations
- Yes (2)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Revised Total Coliform Rule | 2 | 2 |
Violation History (2)
| Contaminant | Health | Date |
|---|---|---|
| Revised Total Coliform Rule | Yes | May 24, 2023 |
| Revised Total Coliform Rule | Yes | May 24, 2023 |
Frequently Asked Questions
What does EPA SDWIS list for RYAN DAM WATER SYSTEM?
How many people does RYAN DAM WATER SYSTEM serve?
What violations does RYAN DAM WATER SYSTEM have?
What contaminants have been found in RYAN DAM WATER SYSTEM water?
Compare beyond Montana
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest RYAN DAM WATER SYSTEM on cumulative violation count (2) and EPA-reported population served (230). Violation-count peers include SAINT REGIS MOHAWK TRIBE, REDBY/RED LAKE, Kickapoo Traditional Tribe.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
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About This Data
RYAN DAM WATER SYSTEM (MT0000046) is drawn from EPA SDWIS. Health-based rows in this extract are MCL and Treatment Technique records spanning 2023-2023 covering Revised Total Coliform 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.