RYE PATCH PETROLEUM
California - Transient Non-Community - PWSID: NV0002222
System Information
| PWSID | NV0002222 |
| System Name | RYE PATCH PETROLEUM |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 10, 1980 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | SIMI VALLEY |
| ZIP Code | 93063 |
| Address | 5394 SENECA PLACE |
| Organization | MASSALAS, GEORGE |
| Phone | 805-421-4466 |
Population & Service
| Population Served | 54 |
| Service Connections | 4 |
Drinking Water Violations (183)
This water system has 183 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 4, 2025 | - | MR | No | Yes | - | - | - | Unaddressed | - | - | |
| Oct 4, 2025 | - | MR | No | Yes | - | - | - | Unaddressed | - | - | |
| Aug 1, 2025 | Aug 31, 2025 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2025 | - | |
| Aug 1, 2025 | Aug 31, 2025 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2025 | - | |
| Aug 1, 2025 | Aug 31, 2025 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2025 | - | |
| May 1, 2025 | May 31, 2025 | MON | No | Yes | - | - | - | Resolved | May 31, 2025 | - | |
| May 1, 2025 | May 31, 2025 | MON | No | Yes | - | - | - | Resolved | May 31, 2025 | - | |
| May 1, 2025 | May 31, 2025 | MON | No | Yes | - | - | - | Resolved | May 31, 2025 | - | |
| Apr 1, 2025 | Apr 30, 2025 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2025 | - | |
| Apr 1, 2025 | Apr 30, 2025 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2025 | - | |
| Apr 1, 2025 | Apr 30, 2025 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2025 | - | |
| Mar 1, 2025 | Mar 31, 2025 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2025 | - | |
| Mar 1, 2025 | Mar 31, 2025 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2025 | - | |
| Mar 1, 2025 | Mar 31, 2025 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2025 | - | |
| Feb 1, 2025 | Feb 28, 2025 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2025 | - | |
| Feb 1, 2025 | Feb 28, 2025 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2025 | - | |
| Feb 1, 2025 | Feb 28, 2025 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 10 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2025 | Jan 31, 2025 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2025 | - | |
| Jan 1, 2025 | Jan 31, 2025 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2025 | - | |
| Jan 1, 2025 | Jan 31, 2025 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2025 | - | |
| Dec 1, 2024 | Dec 31, 2024 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Dec 1, 2024 | Dec 31, 2024 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Dec 1, 2024 | Dec 31, 2024 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Nov 27, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Nov 27, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 1, 2024 | Oct 31, 2024 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2024 | - | |
| Oct 1, 2024 | Oct 31, 2024 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2024 | - | |
| Oct 1, 2024 | Oct 31, 2024 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2024 | - | |
| Sep 1, 2024 | Sep 30, 2024 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2024 | - | |
| Sep 1, 2024 | Sep 30, 2024 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2024 | - | |
| Sep 1, 2024 | Sep 30, 2024 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2024 | - | |
| Mar 16, 2024 | - | TT | Yes | No | - | - | - | Resolved | Apr 8, 2024 | - | |
| Mar 16, 2024 | - | TT | Yes | No | - | - | - | Resolved | Apr 8, 2024 | - | |
| Mar 16, 2024 | - | TT | Yes | No | - | - | - | Resolved | Apr 8, 2024 | - | |
| Mar 16, 2024 | - | TT | Yes | No | - | - | - | Resolved | Apr 8, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 10 mg/L | - | Archived | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | 10 mg/L | - | Archived | Dec 31, 2024 | - | |
| Jul 1, 2022 | - | RPT | No | No | - | - | - | Resolved | Aug 26, 2022 | - | |
| Jul 1, 2022 | - | RPT | No | No | - | - | - | Resolved | Aug 26, 2022 | - | |
| Jul 1, 2022 | - | RPT | No | No | - | - | - | Resolved | Aug 26, 2022 | - | |
| Dec 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Dec 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Dec 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Sep 1, 2021 | Sep 30, 2021 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2021 | - | |
| Sep 1, 2021 | Sep 30, 2021 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2021 | - | |
| Sep 1, 2021 | Sep 30, 2021 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2021 | - | |
| Jul 1, 2021 | Jul 31, 2021 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2021 | - | |
| Jul 1, 2021 | Jul 31, 2021 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2021 | - | |
| Jul 1, 2021 | Jul 31, 2021 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2021 | - |
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.