Water Quality: Mattawa, WA
3 water systems • 5,361 people served
Multiple Health Violations282
Total Violations
8
Health-Based Violations
3
Water Systems
5,361
Population Served
Water Quality Summary
Mattawa has 8 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: E. coli, Selenium. In total, 282 violations are on record for 3 water systems serving 5,361 people.
Contaminants Found
E. coli
Selenium
Water Systems Serving Mattawa
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| Mattawa City of | WA5352000 | Groundwater | 5,015 | 166 |
| SENTINEL GAP WATER ASSN | WA5376620 | Groundwater | 226 | 9 |
| BEVERLY WATER DISTRICT | WA5306350 | Groundwater | 120 | 107 |
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.
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.