Water Quality: Moscow, ID
4 water systems • 34,998 people served
Multiple Health ViolationsWater Quality Summary
Moscow is served by 4 public water systems with a combined service population of 34,998 people, and has 77 EPA Safe Drinking Water Act violations on record. Critically, 5 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Moscow's violation count is 42% below the national average for Idaho. Contaminants associated with violations include Chlorine Dioxide, Stage 2 DBP.
Contaminants Found
Can cause anemia in infants and young children; may cause nervous system effects at high levels.
Common source: Water treatment disinfectant used to control taste, odor, and microorganisms
EPA limit: 0.8 mg/L
Trihalomethanes and haloacetic acids that increase cancer risk and may cause adverse reproductive outcomes.
Common source: Chlorine disinfection reacting with natural organic matter in source water
EPA limit: TTHM: 0.080 mg/L; HAA5: 0.060 mg/L
Water Systems Serving Moscow
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| MOSCOW WATER DEPT | ID2290023 | Groundwater | 26,000 | 25 |
| UNIVERSITY OF IDAHO | ID2290042 | Groundwater | 8,589 | 0 |
| NORTH TOMER BUTTE W&S DISTRICT | ID2290010 | Groundwater | 259 | 13 |
| APEX LIVING COMMUNITY | ID2290024 | Groundwater | 150 | 39 |
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 Idaho
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.