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 | Mar 20, 2026 |
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 (24)
This water system has 24 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 | MCL | Yes | No | 11 MG/L | 10 mg/L | 10 | Archived | Dec 31, 2025 | — | |
| Jan 18, 2024 | — | MR | No | No | — | TT | — | Resolved | Dec 30, 2024 | — | |
| Jan 18, 2024 | — | MR | No | No | — | TT | — | Resolved | Dec 30, 2024 | — | |
| Feb 1, 2018 | Feb 28, 2018 | MON | No | No | — | — | — | Resolved | Feb 28, 2018 | — | |
| Jun 1, 2009 | Jun 30, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2009 | — | |
| Jun 1, 2009 | Jun 30, 2009 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2009 | — | |
| Jun 1, 2009 | Jun 30, 2009 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2009 | — | |
| Jun 1, 2009 | Jun 30, 2009 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2009 | — | |
| Jun 1, 2004 | Jun 30, 2004 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2004 | — | |
| Jun 1, 2004 | Jun 30, 2004 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2004 | — | |
| Jun 1, 2004 | Jun 30, 2004 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2002 | Apr 30, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 2002 | — | |
| Apr 1, 2002 | Apr 30, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 2002 | — | |
| Apr 1, 2002 | Apr 30, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 2002 | — | |
| Oct 1, 1996 | Oct 31, 1996 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1996 | — | |
| Oct 1, 1981 | Sep 30, 1982 | MR | No | Yes | — | 15 pCi/L | — | Archived | Sep 30, 1982 | — | |
| Oct 30, 1980 | Feb 28, 1981 | Other | No | No | — | — | — | Archived | Feb 28, 1981 | — | |
| Oct 30, 1980 | Feb 28, 1981 | MCL | Yes | No | — | 4.0 mg/L | — | Archived | Feb 28, 1981 | — | |
| Oct 30, 1980 | Oct 29, 1981 | MR | No | Yes | — | 15 pCi/L | — | Archived | Oct 29, 1981 | — | |
| Jul 30, 1980 | Oct 29, 1980 | Other | No | No | — | — | — | Archived | Oct 29, 1980 | — | |
| Jul 30, 1980 | Oct 29, 1980 | MCL | Yes | No | — | 4.0 mg/L | — | Archived | Oct 29, 1980 | — | |
| Jun 1, 1980 | May 31, 1982 | MCL | Yes | No | — | 4.0 mg/L | — | Archived | May 31, 1982 | — | |
| Mar 30, 1980 | Apr 29, 1980 | Other | No | No | — | — | — | Archived | Apr 29, 1980 | — | |
| Mar 30, 1980 | Apr 29, 1980 | MCL | Yes | No | — | 4.0 mg/L | — | Archived | Apr 29, 1980 | — |
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.