TUD - PONDEROSA
California — Community Water System — PWSID: CA5510002
System Information
| PWSID | CA5510002 |
| System Name | TUD - PONDEROSA |
| 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 | SONORA |
| ZIP Code | 95370 |
| Address | 18885 Nugget Blvd. |
| Organization | HALL, ERIC |
| Phone | 209-532-5536 |
Population & Service
| Population Served | 1,767 |
| Service Connections | 637 |
Drinking Water Violations (23)
This water system has 23 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 | May 31, 2025 | MON | No | No | — | — | — | Resolved | May 31, 2025 | — | |
| Apr 1, 2025 | May 31, 2025 | MON | No | No | — | — | — | Resolved | May 31, 2025 | — | |
| Jan 2, 1996 | — | MR | No | No | — | TT | — | Resolved | May 31, 2002 | — | |
| Jan 2, 1996 | — | MR | No | No | — | TT | — | Resolved | May 31, 2002 | — | |
| Jun 30, 1993 | Dec 31, 2003 | MR | No | No | — | TT | — | Resolved | Dec 31, 2003 | — | |
| Sep 1, 1986 | Sep 30, 1986 | Other | No | No | — | — | — | Archived | Sep 30, 1986 | — | |
| Aug 1, 1986 | Aug 31, 1986 | Other | No | No | — | — | — | Archived | Aug 31, 1986 | — | |
| Jul 1, 1986 | Jul 31, 1986 | Other | No | No | — | — | — | Archived | Jul 31, 1986 | — | |
| Feb 1, 1986 | Feb 28, 1986 | Other | No | No | — | — | — | Archived | Feb 28, 1986 | — | |
| Jan 1, 1986 | Jan 31, 1986 | Other | No | No | — | — | — | Archived | Jan 31, 1986 | — | |
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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.