COLUSA CO. SERVICE AREA #1-CENTURY RANCH
California - Community Water System - PWSID: CA0600012
System Information
| PWSID | CA0600012 |
| System Name | COLUSA CO. SERVICE AREA #1-CENTURY RANCH |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 22, 1979 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | CITY OF COLUSA |
| ZIP Code | 95932 |
| Address | 1215 Market St |
| Organization | ESENWEIN, D. COLT |
| Phone | 530-458-0487 |
Population & Service
| Population Served | 246 |
| Service Connections | 88 |
Drinking Water Violations (10)
This water system has 10 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2022 | Nov 30, 2022 | MON | No | No | - | - | - | Resolved | Nov 30, 2022 | - | |
| Nov 1, 2022 | Nov 30, 2022 | MON | No | No | - | - | - | Resolved | Nov 30, 2022 | - | |
| Jul 1, 2021 | Jul 31, 2021 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2021 | - | |
| Jul 1, 2021 | Jul 31, 2021 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2021 | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Jun 24, 2021 | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Jun 24, 2021 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2018 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.