TUOLUMNE RIVER RESORT
California - Community Water System - PWSID: CA5000068
System Information
| PWSID | CA5000068 |
| System Name | TUOLUMNE RIVER RESORT |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Non-Inventory |
| 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 | SONORA |
| ZIP Code | 95370 |
| Address | 1250 SHAWS FLAT RD |
| Organization | TUOLUMNE RIVER RESORT |
| Phone | 2094806803 |
Population & Service
| Population Served | 250 |
| Service Connections | 100 |
Drinking Water Violations (15)
This water system has 15 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 2010 | Aug 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Archived | Aug 31, 2010 | - | |
| Mar 1, 2010 | Mar 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Archived | Mar 31, 2010 | - | |
| Jun 1, 2007 | Jun 30, 2007 | MCL | Yes | No | - | 5% of samples | - | Archived | Jun 30, 2007 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2000 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2000 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2000 | - | |
| Apr 1, 2000 | May 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Archived | May 31, 2000 | - | |
| Apr 1, 2000 | May 31, 2000 | MCL | Yes | No | - | 5% of samples | - | Archived | May 31, 2000 | - | |
| May 1, 1996 | May 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 1996 | - | |
| May 1, 1996 | May 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 1996 | - | |
| Jul 1, 1993 | Apr 4, 2000 | MR | No | No | - | TT | - | Resolved | Apr 4, 2000 | - | |
| Oct 1, 1981 | Sep 30, 1982 | MR | No | Yes | - | 15 pCi/L | - | Archived | Sep 30, 1982 | - | |
| Oct 30, 1980 | Oct 29, 1981 | MR | No | Yes | - | 15 pCi/L | - | Archived | Oct 29, 1981 | - | |
| - | - | - | 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.