WILLOW COUNTY WATER DISTRICT
California — Community Water System — PWSID: CA2310005
System Information
| PWSID | CA2310005 |
| System Name | WILLOW COUNTY WATER DISTRICT |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 22, 1979 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | California |
| City | UKIAH |
| ZIP Code | 95482 |
| Address | 151 Laws Avenue |
| Organization | WALKER, JARED |
| Phone | 707-462-2666 |
Population & Service
| Population Served | 3,797 |
| Service Connections | 1,079 |
Drinking Water Violations (1)
This water system has 1 violation recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 1988 | Oct 31, 1988 | Other | No | No | — | — | — | Archived | Oct 31, 1988 | Miscellaneous Other Rules |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.