WYNOLA WATER DISTRICT
California - Community Water System - PWSID: CA3701837
System Information
| PWSID | CA3701837 |
| System Name | WYNOLA WATER DISTRICT |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 5, 1981 |
| Last Reported | Jun 22, 2026 |
Location & Contact
| State | California |
| City | SAN YSABEL |
| ZIP Code | 92070 |
| Address | P.O. BOX 193 |
| Organization | MADAFFER, JIM |
| Phone | 619-884-6556 |
Population & Service
| Population Served | 140 |
| Service Connections | 74 |
Drinking Water Violations (25)
This water system has 25 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 2, 2025 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Jun 1, 2022 | Jun 30, 2022 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2022 | - | |
| Jun 1, 2022 | Jun 30, 2022 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2022 | - | |
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Jul 2, 2025 | - | |
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Jul 2, 2025 | - | |
| Jan 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Jul 2, 2025 | - | |
| Jan 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Jul 2, 2025 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Feb 1, 2008 | Feb 29, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 2008 | - | |
| Feb 1, 2008 | Feb 29, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 2008 | - | |
| May 1, 2005 | May 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2005 | - | |
| May 1, 2005 | May 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2005 | - | |
| Mar 1, 2005 | Mar 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2005 | - | |
| Mar 1, 2005 | Mar 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2005 | - | |
| Feb 1, 2005 | Feb 28, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2005 | - | |
| Feb 1, 2005 | Feb 28, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2005 | - | |
| Jul 1, 1993 | - | MR | No | No | - | TT | - | Resolved | Sep 30, 2005 | - | |
| Jan 1, 1984 | Jan 31, 1984 | Other | No | No | - | - | - | Archived | Jan 31, 1984 | - | |
| Aug 1, 1983 | Aug 31, 1983 | Other | No | No | - | - | - | Archived | Aug 31, 1983 | - | |
| Jan 13, 1983 | Feb 12, 1983 | Other | No | No | - | - | - | Archived | Feb 12, 1983 | - | |
| Dec 22, 1982 | Jan 21, 1983 | Other | No | No | - | - | - | Archived | Jan 21, 1983 | - | |
| 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 | - | - | - | - | - | - |
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.