Water Quality: Saint Marys, AK
1 water system • 548 people served
Multiple Health ViolationsWater Quality Summary
Saint Marys is served by 1 public water system with a combined service population of 548 people, and has 253 EPA Safe Drinking Water Act violations on record. Critically, 16 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Saint Marys's violation count is 46% below the national average for Alaska. Contaminants associated with violations include E. coli, Fecal Coliform.
Contaminants Found
Causes gastrointestinal illness; certain strains (e.g., O157:H7) can cause severe kidney failure and death.
Common source: Fecal contamination from humans or animals entering the water supply
EPA limit: Zero (no E. coli permitted in drinking water)
Indicates direct fecal contamination; associated with diarrhea, cramps, nausea, and potential severe illness.
Common source: Human and animal fecal waste
EPA limit: Zero tolerance (any positive triggers violations)
Water Systems Serving Saint Marys
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| ST. MARYS WATER SYSTEM | AK2270176 | Surface Water | 548 | 253 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in Alaska
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.