DEL NORTE MUTUAL WATER CO.
California - Community Water System - PWSID: CA5602104
System Information
| PWSID | CA5602104 |
| System Name | DEL NORTE MUTUAL WATER CO. |
| 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 | Mar 22, 1979 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | VENTURA |
| ZIP Code | 93004 |
| Address | 10814 TELEPHONE ROAD |
| Organization | VANONI, DAVID |
| Phone | 805-647-1092 |
Population & Service
| Population Served | 215 |
| Service Connections | 85 |
Drinking Water Violations (32)
This water system has 32 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Nov 19, 2024 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Nov 19, 2024 | - | |
| Jan 1, 2024 | Jan 31, 2024 | MON | No | Yes | - | - | - | Archived | Jan 31, 2024 | - | |
| Jun 1, 2023 | Jun 30, 2023 | MCL | Yes | No | - | - | - | Resolved | Jun 30, 2023 | - | |
| Jun 1, 2023 | Jun 30, 2023 | MCL | Yes | No | - | - | - | Resolved | Jun 30, 2023 | - | |
| Aug 1, 2022 | Aug 31, 2022 | MCL | Yes | No | - | - | - | Resolved | Aug 31, 2022 | - | |
| Aug 1, 2022 | Aug 31, 2022 | MCL | Yes | No | - | - | - | Resolved | Aug 31, 2022 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | May 8, 2024 | - | |
| Jul 1, 2022 | - | Other | No | No | - | - | - | Resolved | May 8, 2024 | - | |
| May 1, 2022 | May 31, 2022 | MCL | Yes | No | - | - | - | Resolved | May 31, 2022 | - | |
| May 1, 2022 | May 31, 2022 | MCL | Yes | No | - | - | - | Resolved | May 31, 2022 | - | |
| Jan 1, 2016 | Jan 31, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2016 | - | |
| Jan 1, 2016 | Dec 31, 2016 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2016 | Dec 31, 2016 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2016 | Jan 31, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2016 | - | |
| Apr 1, 2007 | Apr 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2007 | - | |
| Apr 1, 2007 | Apr 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2007 | - | |
| Oct 1, 1999 | Oct 31, 1999 | MCL | Yes | No | 55.7 MG/L | 10 mg/L | 45 | Resolved | Oct 31, 1999 | - | |
| Oct 1, 1999 | Oct 31, 1999 | MCL | Yes | No | 55.7 MG/L | 10 mg/L | 45 | Resolved | Oct 31, 1999 | - | |
| Sep 1, 1997 | Sep 30, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 26, 1996 | - | |
| Sep 1, 1997 | Sep 30, 1997 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 26, 1996 | - | |
| Aug 1, 1997 | Aug 31, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Jun 26, 1996 | - | |
| Aug 1, 1997 | Aug 31, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Jun 26, 1996 | - | |
| 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 | - | |
| Sep 1, 1994 | Sep 30, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1994 | - | |
| Sep 1, 1994 | Sep 30, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1994 | - | |
| Sep 1, 1994 | Sep 30, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1994 | - | |
| 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 | - |
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.