Big Sandy Rancheria
PWSID: 090600121 · Auberry, CA · Serves 408 people
According to EPA Safe Drinking Water Information System (SDWIS), Big Sandy Rancheria (PWSID 090600121) in Auberry, CA is listed as a CWS water system covering about 408 people. The same extract lists 14 health-based violation records spanning 2013-2025. Those 14 health-based rows for Big Sandy Rancheria cover contaminants such as Combined Uranium, Coliform (TCR); they remain historical EPA registry entries, not a current compliance or drinkability score.
Big Sandy Rancheria has 14 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 2 distinct EPA contaminant codes appear in this system's record, including Combined Uranium, Coliform (TCR). Recorded violations span 2013–2025. Day-to-day primacy enforcement for this system runs through the California drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current 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 (14)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Combined Uranium | 12 | 12 |
| Coliform (TCR) | 2 | 2 |
Violation History (14)
| Contaminant | Health | Date |
|---|---|---|
| Combined Uranium | Yes | Jan 1, 2025 |
| Combined Uranium | Yes | Jan 1, 2025 |
| Combined Uranium | Yes | Jan 1, 2025 |
| Combined Uranium | Yes | Oct 1, 2024 |
| Combined Uranium | Yes | Oct 1, 2024 |
| Combined Uranium | Yes | Oct 1, 2024 |
| Combined Uranium | Yes | Oct 1, 2024 |
| Combined Uranium | Yes | Jul 1, 2024 |
| Combined Uranium | Yes | Jul 1, 2024 |
| Combined Uranium | Yes | Apr 1, 2024 |
| Combined Uranium | Yes | Apr 1, 2024 |
| Combined Uranium | Yes | Apr 1, 2024 |
| Coliform (TCR) | Yes | Jul 1, 2013 |
| Coliform (TCR) | Yes | Jul 1, 2013 |
Frequently Asked Questions
What does EPA SDWIS list for Big Sandy Rancheria?
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?
Compare beyond California
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest Big Sandy Rancheria on cumulative violation count (14) and EPA-reported population served (408). Violation-count peers include URIAH HEEPS SPRING WATER SYSTEM, UNIVERSITY OF ALASKA - FAIRBANKS, ELBA, THE WW AND EB OF THE CITY OF.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
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About This Data
Big Sandy Rancheria (090600121) is drawn from EPA SDWIS. Nearby county systems in this extract include CITY OF FRESNO; CITY OF CLOVIS; CALIFORNIA STATE UNIVERSITY FRESNO; CITY OF SANGER. Health-based rows (14 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.