THUNDERBIRD CWD
PWSID: CA3600306 · Apple Valley, CA · Serves 2,098 people
THUNDERBIRD CWD has 13 health-based violations out of 13 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
THUNDERBIRD CWD (PWSID CA3600306) is a cws water system drawing from a groundwater source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 2,098 people in Apple Valley, CA, and is subject to primacy enforcement by the California drinking-water program.
The system's federal compliance record contains 13 total violations, with 13 classified as health-based (MCL exceedances or treatment-technique failures). 2 distinct contaminants have been cited, including Total Coliform (RTCR), Nitrate. Recorded violations span 1996–2025.
A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the California state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- CA3600306
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Apple Valley, CA
- Population Served
- 2,098
- Health Violations
- Yes (13)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Total Coliform (RTCR) | 12 | 12 |
| Nitrate | 1 | 1 |
Violation History (13)
| Contaminant | Health | Date |
|---|---|---|
| Nitrate | Yes | Jan 1, 2025 |
| Total Coliform (RTCR) | Yes | Jun 1, 2009 |
| Total Coliform (RTCR) | Yes | Jun 1, 2009 |
| Total Coliform (RTCR) | Yes | Jun 1, 2009 |
| Total Coliform (RTCR) | Yes | Jun 1, 2004 |
| Total Coliform (RTCR) | Yes | Jun 1, 2004 |
| Total Coliform (RTCR) | Yes | Jun 1, 2004 |
| Total Coliform (RTCR) | Yes | Apr 1, 2002 |
| Total Coliform (RTCR) | Yes | Apr 1, 2002 |
| Total Coliform (RTCR) | Yes | Apr 1, 2002 |
| Total Coliform (RTCR) | Yes | Oct 1, 1996 |
| Total Coliform (RTCR) | Yes | Oct 1, 1996 |
| Total Coliform (RTCR) | Yes | Oct 1, 1996 |
Frequently Asked Questions
Is THUNDERBIRD CWD water safe to drink?
How many people does THUNDERBIRD CWD serve?
What violations does THUNDERBIRD CWD have?
What contaminants have been found in THUNDERBIRD CWD water?
Nearby Water Systems
Explore More
About This Data
Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.