Water Quality: Ukiah, CA

8 water systems • 33,008 people served

Some Concerns
25
Total Violations
2
Health-Based Violations
8
Water Systems
33,008
Population Served

Water Quality Summary

Ukiah has 2 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: Chlorine, Fecal Coliform. In total, 25 violations are on record for 8 water systems serving 33,008 people.

Contaminants Found

Chlorine
Fecal Coliform

Water Systems Serving Ukiah

System Name PWSID Source Population Violations
UKIAH, CITY OF CA2310003 Surface Water 16,607 1
MILLVIEW COUNTY WATER DISTRICT CA2310006 Surface Water 5,500 0
REDWOOD VALLEY COUNTY WATER DISTRICT CA2310008 Surface Water 5,200 3
WILLOW COUNTY WATER DISTRICT CA2310005 Surface Water 3,797 9
HOPLAND PUBLIC UTILITY DISTRICT CA2310010 Groundwater 1,076 3
CALPELLA COUNTY WATER DISTRICT CA2300507 Surface Water 548 4
RIVER ESTATES MUTUAL WATER COMPANY CA2300605 Groundwater 250 2
COVELO MOBILE HOME PARK CA2300892 Groundwater 30 3

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.

Verify at epa.govSearch ECHO for CA