BASS LAKE ANNEX 3
PWSID: CA2000501 · Wishon, CA · Serves 42 people
According to EPA Safe Drinking Water Information System (SDWIS), BASS LAKE ANNEX 3 (PWSID CA2000501) in Wishon, CA is listed as a CWS water system covering about 42 people. The same extract lists 21 health-based violation records spanning 2002-2025. Those 21 health-based rows for BASS LAKE ANNEX 3 cover contaminants such as Combined Uranium, Revised Total Coliform Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
BASS LAKE ANNEX 3 has 21 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, Revised Total Coliform Rule. Recorded violations span 2002–2025. 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)
- CA2000501
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Wishon, CA
- Population Served
- 42
- Health Violations
- Yes (21)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Combined Uranium | 20 | 20 |
| Revised Total Coliform Rule | 1 | 1 |
Violation History (21)
| Contaminant | Health | Date |
|---|---|---|
| Combined Uranium | Yes | Jul 1, 2025 |
| Combined Uranium | Yes | Apr 1, 2025 |
| Combined Uranium | Yes | Jan 1, 2024 |
| Combined Uranium | Yes | Jan 1, 2024 |
| Combined Uranium | Yes | Jul 1, 2023 |
| Combined Uranium | Yes | Jul 1, 2023 |
| Combined Uranium | Yes | Jan 1, 2023 |
| Combined Uranium | Yes | Jan 1, 2023 |
| Combined Uranium | Yes | Jan 1, 2023 |
| Revised Total Coliform Rule | Yes | Jun 1, 2017 |
| Combined Uranium | Yes | Jan 1, 2015 |
| Combined Uranium | Yes | Jan 1, 2013 |
| Combined Uranium | Yes | Jul 1, 2012 |
| Combined Uranium | Yes | Jan 1, 2012 |
| Combined Uranium | Yes | Apr 1, 2011 |
| Combined Uranium | Yes | Jul 1, 2010 |
| Combined Uranium | Yes | Apr 1, 2010 |
| Combined Uranium | Yes | Jan 1, 2010 |
| Combined Uranium | Yes | Oct 1, 2009 |
| Combined Uranium | Yes | Apr 1, 2006 |
| Combined Uranium | Yes | Jul 2, 2002 |
Frequently Asked Questions
What does EPA SDWIS list for BASS LAKE ANNEX 3?
How many people does BASS LAKE ANNEX 3 serve?
What violations does BASS LAKE ANNEX 3 have?
What contaminants have been found in BASS LAKE ANNEX 3 water?
Compare beyond California
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest BASS LAKE ANNEX 3 on cumulative violation count (21) and EPA-reported population served (42). Violation-count peers include Dishchii Bikoh Community School - BIA Charter, NEW STUYAHOK WATER SYSTEM, MOUNTAIN VILLAGE WATER SYSTEM.
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
BASS LAKE ANNEX 3 (CA2000501) is drawn from EPA SDWIS. Nearby county systems in this extract include CITY OF MADERA; CHOWCHILLA CITY WATER DEPT; Table Mountain Rancheria; MADERA VALLEY WATER COMPANY. Health-based rows (21 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.