Water Quality: Patterson, CA
2 water systems • 25,304 people served
Multiple Health Violations14
Total Violations
8
Health-Based Violations
2
Water Systems
25,304
Population Served
Water Quality Summary
Patterson has 8 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: Fecal Coliform, TTHM. In total, 14 violations are on record for 2 water systems serving 25,304 people.
Contaminants Found
Fecal Coliform
TTHM
Water Systems Serving Patterson
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| PATTERSON, CITY OF | CA5010017 | Groundwater | 23,304 | 0 |
| WESTERN HILLS WATER DISTRICT/DIABLO GRAN | CA5010039 | Surface Water | 2,000 | 14 |
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.