HERITAGE HILLS MHP
California - Community Water System - PWSID: PA6370041
System Information
| PWSID | PA6370041 |
| System Name | HERITAGE HILLS MHP |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 03 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 29, 1980 |
| Last Reported | Jun 15, 2026 |
Location & Contact
| State | California |
| City | OAKDALE |
| ZIP Code | 20932 |
| Address | 144 SOUTH 1ST AVENUE |
| Organization | HERITAGE HILLS MHP |
| Phone | 209-322-2071 |
Population & Service
| Population Served | 425 |
| Service Connections | 149 |
Drinking Water Violations (199)
This water system has 199 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | - | - | Archived | Mar 31, 2026 | - | |
| Mar 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | - | - | Archived | Mar 31, 2026 | - | |
| Mar 1, 2026 | Mar 31, 2026 | MR | No | Yes | - | - | - | Archived | Mar 31, 2026 | - | |
| Feb 1, 2026 | Feb 28, 2026 | MR | No | Yes | - | - | - | Archived | Feb 28, 2026 | - | |
| Feb 1, 2026 | Feb 28, 2026 | MR | No | Yes | - | - | - | Archived | Feb 28, 2026 | - | |
| Feb 1, 2026 | Feb 28, 2026 | MR | No | Yes | - | - | - | Archived | Feb 28, 2026 | - | |
| Jan 13, 2026 | - | Other | No | No | - | - | - | Resolved | May 13, 2026 | - | |
| Jan 13, 2026 | - | Other | No | No | - | - | - | Resolved | May 13, 2026 | - | |
| Jan 13, 2026 | - | Other | No | No | - | - | - | Resolved | May 13, 2026 | - | |
| Jan 13, 2026 | - | Other | No | No | - | - | - | Resolved | May 13, 2026 | - | |
| Jan 1, 2026 | Jan 31, 2026 | TT | Yes | No | - | - | - | Resolved | Jan 31, 2026 | - | |
| Jan 1, 2026 | Jan 31, 2026 | TT | Yes | No | - | - | - | Resolved | Jan 31, 2026 | - | |
| Jan 1, 2026 | Jan 31, 2026 | TT | Yes | No | - | - | - | Resolved | Jan 31, 2026 | - | |
| Jan 1, 2026 | Jan 31, 2026 | TT | Yes | No | - | - | - | Resolved | Jan 31, 2026 | - | |
| Jan 1, 2026 | Jan 31, 2026 | TT | Yes | No | - | - | - | Resolved | Jan 31, 2026 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jun 1, 2023 | Jun 30, 2023 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2023 | - | |
| Jun 1, 2023 | Jun 30, 2023 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2023 | - | |
| Jun 1, 2023 | Jun 30, 2023 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2023 | - | |
| Jun 1, 2023 | Jun 30, 2023 | MR | No | Yes | - | - | - | Resolved | Jun 30, 2023 | - | |
| May 1, 2023 | May 31, 2023 | MON | No | Yes | - | - | - | Resolved | May 31, 2023 | - | |
| May 1, 2023 | May 31, 2023 | MON | No | Yes | - | - | - | Resolved | May 31, 2023 | - | |
| May 1, 2023 | May 31, 2023 | MON | No | Yes | - | - | - | Resolved | May 31, 2023 | - | |
| May 1, 2023 | May 31, 2023 | MON | No | Yes | - | - | - | Resolved | May 31, 2023 | - | |
| Sep 1, 2022 | Sep 30, 2022 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2022 | - | |
| Sep 1, 2022 | Sep 30, 2022 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2022 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Nov 10, 2021 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Nov 10, 2021 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Nov 10, 2021 | - | |
| Jan 1, 2019 | Jan 31, 2019 | MR | No | Yes | - | - | - | Resolved | Jan 31, 2019 | - | |
| Jan 1, 2019 | Jan 31, 2019 | MR | No | Yes | - | - | - | Resolved | Jan 31, 2019 | - | |
| Jan 1, 2019 | Jan 31, 2019 | MR | No | Yes | - | - | - | Resolved | Jan 31, 2019 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Nov 5, 2018 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Nov 5, 2018 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Nov 5, 2018 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MR | No | No | - | 4.0 mg/L | - | Resolved | Jun 30, 2016 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MR | No | No | - | 4.0 mg/L | - | Resolved | Jun 30, 2016 | - | |
| Jul 1, 2014 | Sep 30, 2014 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2014 | - | |
| Jul 1, 2014 | Sep 30, 2014 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2014 | - | |
| Jul 1, 2014 | Sep 30, 2014 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2014 | - | |
| Jul 1, 2014 | Sep 30, 2014 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2014 | - |
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.