SAN JOAQUIN COUNTY - COLONIAL HEIGHTS
California — Community Water System — PWSID: CA3910002
System Information
| PWSID | CA3910002 |
| System Name | SAN JOAQUIN COUNTY - COLONIAL HEIGHTS |
| 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 | STOCKTON |
| ZIP Code | 95205 |
| Address | 1702 E. Scotts Ave. |
| Organization | IRONS, CLINTON |
| Phone | 209-468-3090 |
Population & Service
| Population Served | 1,841 |
| Service Connections | 559 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 1993 | Mar 1, 2000 | MR | No | No | — | TT | — | Resolved | Mar 1, 2000 | — |
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.