THUNDERBIRD CWD
California — Community Water System — PWSID: CA3600306
System Information
| PWSID | CA3600306 |
| System Name | THUNDERBIRD CWD |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 22, 1979 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | California |
| City | APPLE VALLEY |
| ZIP Code | 92308 |
| Address | PO BOX 1105 |
| Organization | HEINRICHS, DOUGLAS |
| Phone | 760-247-2503 |
Population & Service
| Population Served | 2,098 |
| Service Connections | 318 |
Drinking Water Violations (22)
This water system has 22 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2025 | Dec 31, 2025 | Nitrate | MCL | Yes | No | 11 MG/L | 10 mg/L | 10 | Addressed | — | Nitrate Rule |
| Jan 18, 2024 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 30, 2024 | Lead and Copper Rule |
| Jan 18, 2024 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 30, 2024 | Lead and Copper Rule |
| Feb 1, 2018 | Feb 28, 2018 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Feb 28, 2018 | Revised Total Coliform Rule |
| Jun 1, 2009 | Jun 30, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2009 | Total Coliform Rule |
| Jun 1, 2009 | Jun 30, 2009 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2009 | Total Coliform Rule |
| Jun 1, 2009 | Jun 30, 2009 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2009 | Total Coliform Rule |
| Jun 1, 2009 | Jun 30, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2009 | Total Coliform Rule |
| Jun 1, 2004 | Jun 30, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2004 | Total Coliform Rule |
| Jun 1, 2004 | Jun 30, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2004 | Total Coliform Rule |
| Jun 1, 2004 | Jun 30, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2004 | Total Coliform Rule |
| Apr 1, 2002 | Apr 30, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 2002 | Total Coliform Rule |
| Apr 1, 2002 | Apr 30, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 2002 | Total Coliform Rule |
| Apr 1, 2002 | Apr 30, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 2002 | Total Coliform Rule |
| Oct 1, 1996 | Oct 31, 1996 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1996 | Total Coliform Rule |
| Oct 1, 1981 | Sep 30, 1982 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Archived | Sep 30, 1982 | Radionuclides and Revised Rad Rule |
| Oct 30, 1980 | Oct 29, 1981 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Archived | Oct 29, 1981 | Radionuclides and Revised Rad Rule |
| Oct 30, 1980 | Feb 28, 1981 | Fluoride | MCL | Yes | No | — | 4.0 mg/L | — | Archived | Feb 28, 1981 | Inorganic Chemicals |
| Oct 30, 1980 | Feb 28, 1981 | Other | No | No | — | — | — | Archived | Feb 28, 1981 | Miscellaneous Other Rules | |
| Jul 30, 1980 | Oct 29, 1980 | Other | No | No | — | — | — | Archived | Oct 29, 1980 | Miscellaneous Other Rules | |
| Jun 1, 1980 | May 31, 1982 | Fluoride | MCL | Yes | No | — | 4.0 mg/L | — | Archived | May 31, 1982 | Inorganic Chemicals |
| Mar 30, 1980 | Apr 29, 1980 | Fluoride | MCL | Yes | No | — | 4.0 mg/L | — | Archived | Apr 29, 1980 | Inorganic Chemicals |
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.