CALLAYOMI COUNTY WATER DISTRICT
California - Community Water System - PWSID: CA1710013
System Information
| PWSID | CA1710013 |
| System Name | CALLAYOMI COUNTY WATER DISTRICT |
| System Type | Community Water System |
| Water Source | Ground Water |
| 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 | MIDDLETOWN |
| ZIP Code | 95461 |
| Address | P.O. Box 92 |
| Organization | FIORA, TODD |
| Phone | 707-987-2180 |
Population & Service
| Population Served | 1,598 |
| Service Connections | 534 |
Drinking Water Violations (8)
This water system has 8 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 17, 2024 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2000 | Jul 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2000 | - | |
| Jul 1, 2000 | Jul 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2000 | - | |
| Nov 1, 1995 | Nov 30, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 28, 1995 | - | |
| Nov 1, 1995 | Nov 30, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 28, 1995 | - | |
| Aug 1, 1995 | Aug 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1995 | - | |
| Aug 1, 1995 | Aug 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 1995 | - |
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.