AUSTIN ACRES MUTUAL WATER COMPANY
California - Community Water System - PWSID: CA4900620
System Information
| PWSID | CA4900620 |
| System Name | AUSTIN ACRES MUTUAL WATER COMPANY |
| 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 | DUNCANS MILLS |
| ZIP Code | 95430 |
| Address | P.O. Box 105 |
| Organization | EDMONDS, SALLY |
| Phone | 707-326-7686 |
Population & Service
| Population Served | 82 |
| Service Connections | 24 |
Drinking Water Violations (35)
This water system has 35 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 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2021 | - | |
| Jul 1, 2021 | Sep 30, 2021 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2021 | - | |
| Jul 1, 2021 | Sep 30, 2021 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2021 | - | |
| Jan 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Jan 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Jan 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Jan 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Jan 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Jan 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2020 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Jul 18, 2019 | - | |
| Oct 1, 2018 | - | MR | No | No | - | TT | - | Resolved | Jul 18, 2019 | - | |
| Jun 1, 2005 | Sep 30, 2005 | MR | No | No | - | 0.080 mg/L | - | Resolved | Sep 30, 2005 | - | |
| Jun 1, 2005 | Sep 30, 2005 | MR | No | No | - | 0.080 mg/L | - | Resolved | Sep 30, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Nov 1, 2001 | Nov 30, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2001 | - | |
| Nov 1, 2001 | Nov 30, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2001 | - | |
| Aug 1, 2001 | Aug 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2001 | - | |
| Aug 1, 2001 | Aug 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2001 | - | |
| Jun 1, 2001 | Jun 30, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2001 | - | |
| Jun 1, 2001 | Jun 30, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2001 | - | |
| Nov 1, 1999 | Nov 30, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 1999 | - | |
| Nov 1, 1999 | Nov 30, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 1999 | - | |
| Jul 1, 1993 | Mar 1, 2000 | MR | No | No | - | TT | - | Resolved | Mar 1, 2000 | - | |
| Sep 1, 1984 | Sep 30, 1984 | Other | No | No | - | - | - | Archived | Sep 30, 1984 | - | |
| Jul 1, 1984 | Jul 31, 1984 | Other | No | No | - | - | - | Archived | Jul 31, 1984 | - | |
| Jan 1, 1983 | Jan 31, 1983 | Other | No | No | - | - | - | Archived | Jan 31, 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 | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.