ST. MARYS WATER SYSTEM
PWSID: AK2270176 · Saint Marys, AK · Serves 548 people
According to EPA Safe Drinking Water Information System (SDWIS), ST. MARYS WATER SYSTEM (PWSID AK2270176) in Saint Marys, AK is listed as a CWS water system covering about 548 people. The same extract lists 16 health-based violation records spanning 2017-2024. Those 16 health-based rows for ST. MARYS WATER SYSTEM cover contaminants such as Interim Enhanced Surface Water Treatment Rule, Surface Water Treatment Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
ST. MARYS WATER SYSTEM has 16 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 Interim Enhanced Surface Water Treatment Rule, Surface Water Treatment Rule. Recorded violations span 2017–2024. Day-to-day primacy enforcement for this system runs through the Alaska 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 Alaska state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- AK2270176
- System Type
- CWS
- Water Source
- Surface Water
- Location
- Saint Marys, AK
- Population Served
- 548
- Health Violations
- Yes (16)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | 12 | 12 |
| Surface Water Treatment Rule | 4 | 4 |
Violation History (16)
| Contaminant | Health | Date |
|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | Yes | Aug 1, 2024 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Aug 1, 2024 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Aug 1, 2024 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Aug 1, 2024 |
| Surface Water Treatment Rule | Yes | Mar 1, 2024 |
| Surface Water Treatment Rule | Yes | Mar 1, 2024 |
| Surface Water Treatment Rule | Yes | Mar 1, 2024 |
| Surface Water Treatment Rule | Yes | Mar 1, 2024 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Sep 1, 2018 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Sep 1, 2018 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Sep 1, 2018 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Sep 1, 2018 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Oct 1, 2017 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Oct 1, 2017 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Oct 1, 2017 |
| Interim Enhanced Surface Water Treatment Rule | Yes | Oct 1, 2017 |
Frequently Asked Questions
What does EPA SDWIS list for ST. MARYS WATER SYSTEM?
How many people does ST. MARYS WATER SYSTEM serve?
What violations does ST. MARYS WATER SYSTEM have?
What contaminants have been found in ST. MARYS WATER SYSTEM water?
Compare beyond Alaska
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest ST. MARYS WATER SYSTEM on cumulative violation count (16) and EPA-reported population served (548). Violation-count peers include SPARKMAN WATERWORKS, CAMDEN WATERWORKS, WHEATLEY WATERWORKS. Population peers include SUBIACO CITY WATERWORKS, GRANNIS WATERWORKS, CALPELLA COUNTY WATER DISTRICT.
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
ST. MARYS WATER SYSTEM (AK2270176) is drawn from EPA SDWIS. Nearby county systems in this extract include CITY OF HOOPER BAY; CHEVAK WATER SYSTEM; MOUNTAIN VILLAGE WATER SYSTEM; EMMONAK WATER SYSTEM. Health-based rows (16 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.