CALPELLA COUNTY WATER DISTRICT
California - Community Water System - PWSID: CA2300507
System Information
| PWSID | CA2300507 |
| System Name | CALPELLA 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 | Mar 20, 2026 |
Location & Contact
| State | California |
| City | UKIAH |
| ZIP Code | 95482 |
| Address | 151 Laws Avenue |
| Organization | WALKER, JARED |
| Phone | 707-462-2666 |
Population & Service
| Population Served | 548 |
| Service Connections | 185 |
Drinking Water Violations (11)
This water system has 11 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Oct 19, 2021 | - | |
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Oct 19, 2021 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Jan 22, 2020 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Jan 22, 2020 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Jan 22, 2020 | - | |
| Sep 1, 2018 | Sep 30, 2018 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2018 | - | |
| Sep 1, 2018 | Sep 30, 2018 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2018 | - | |
| Feb 1, 1983 | Feb 28, 1983 | Other | No | No | - | - | - | Archived | Feb 28, 1983 | - | |
| Oct 1, 1982 | Oct 31, 1982 | Other | No | No | - | - | - | Archived | Oct 31, 1982 | - | |
| Oct 1, 1981 | Sep 30, 1982 | MR | No | Yes | - | 15 pCi/L | - | Archived | Sep 30, 1982 | - | |
| Oct 30, 1980 | Oct 29, 1981 | MR | No | Yes | - | 15 pCi/L | - | Archived | Oct 29, 1981 | - |
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.