LOPEZ PROJECT
California — Community Water System — PWSID: CA4010022
System Information
| PWSID | CA4010022 |
| System Name | LOPEZ PROJECT |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Mar 22, 1979 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | SAN LUIS OBISPO |
| ZIP Code | 93408 |
| Address | County Government Center Room 206 |
| Organization | ZENKER, FAITH |
| Phone | 805-781-1576 |
Population & Service
| Population Served | 1,569 |
| Service Connections | 31 |
Drinking Water Violations (5)
This water system has 5 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, 2025 | Apr 30, 2025 | MCL | Yes | No | — | — | — | Resolved | Apr 30, 2025 | — | |
| Apr 1, 2025 | Apr 30, 2025 | MCL | Yes | No | — | — | — | Resolved | Apr 30, 2025 | — | |
| Aug 1, 2008 | Aug 31, 2008 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2008 | — | |
| Aug 1, 2008 | Aug 31, 2008 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2008 | — | |
| 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.