Big Sandy Rancheria
PWSID: 090600121 · Auberry, CA · Serves 408 people
Big Sandy Rancheria has 13 health-based violations out of 13 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
Big Sandy Rancheria (PWSID 090600121) 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 408 people in Auberry, 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 Lead (Action Level), Total Coliform (RTCR). Recorded violations span 2013–2025.
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)
- 090600121
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Auberry, CA
- Population Served
- 408
- Health Violations
- Yes (13)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Lead (Action Level) | 11 | 11 |
| Total Coliform (RTCR) | 2 | 2 |
Violation History (13)
| Contaminant | Health | Date |
|---|---|---|
| Lead (Action Level) | Yes | Jan 1, 2025 |
| Lead (Action Level) | Yes | Jan 1, 2025 |
| Lead (Action Level) | Yes | Jan 1, 2025 |
| Lead (Action Level) | Yes | Oct 1, 2024 |
| Lead (Action Level) | Yes | Oct 1, 2024 |
| Lead (Action Level) | Yes | Oct 1, 2024 |
| Lead (Action Level) | Yes | Jul 1, 2024 |
| Lead (Action Level) | Yes | Jul 1, 2024 |
| Lead (Action Level) | Yes | Apr 1, 2024 |
| Lead (Action Level) | Yes | Apr 1, 2024 |
| Lead (Action Level) | Yes | Apr 1, 2024 |
| Total Coliform (RTCR) | Yes | Jul 1, 2013 |
| Total Coliform (RTCR) | Yes | Jul 1, 2013 |
Frequently Asked Questions
Is Big Sandy Rancheria water safe to drink?
How many people does Big Sandy Rancheria serve?
What violations does Big Sandy Rancheria have?
What contaminants have been found in Big Sandy Rancheria 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.