REDWOOD VALLEY COUNTY WATER DISTRICT
California — Community Water System — PWSID: CA2310008
System Information
| PWSID | CA2310008 |
| System Name | REDWOOD VALLEY COUNTY WATER DISTRICT |
| System Type | Community Water System |
| Water Source | Surface Water |
| 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 | 5,200 |
| Service Connections | 1,317 |
Drinking Water Violations (6)
This water system has 6 violations 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2005 | Jun 30, 2005 | Total Haloacetic Acids (HAA5) | MCL | Yes | No | .092 MG/L | 0.060 mg/L | .06 | Resolved | Jun 30, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2005 | Jun 30, 2005 | TTHM | MCL | Yes | No | .092 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2005 | Mar 31, 2005 | Total Haloacetic Acids (HAA5) | MCL | Yes | No | .076 MG/L | 0.060 mg/L | .06 | Resolved | Mar 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2005 | Mar 31, 2005 | Total Haloacetic Acids (HAA5) | MCL | Yes | No | .076 MG/L | 0.060 mg/L | .06 | Resolved | Mar 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2005 | Mar 31, 2005 | TTHM | MCL | Yes | No | .088 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| — | — | — | No | No | — | — | — | — | — | — |
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.