CEDAR VALLEY MUTUAL WATER CO
PWSID: CA2000538 · Oakhurst, CA · Serves 137 people
According to EPA Safe Drinking Water Information System (SDWIS), CEDAR VALLEY MUTUAL WATER CO (PWSID CA2000538) in Oakhurst, CA is listed as a CWS water system covering about 137 people. The same extract lists 45 health-based violation records spanning 2016-2025. Those 45 health-based rows for CEDAR VALLEY MUTUAL WATER CO cover contaminants such as Arsenic, LEAD AND COPPER RULE REVISIONS; they remain historical EPA registry entries, not a current compliance or drinkability score.
CEDAR VALLEY MUTUAL WATER CO has 45 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 Arsenic, LEAD AND COPPER RULE REVISIONS. Recorded violations span 2016–2025. 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)
- CA2000538
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Oakhurst, CA
- Population Served
- 137
- Health Violations
- Yes (45)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Arsenic | 44 | 44 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
Violation History (45)
| Contaminant | Health | Date |
|---|---|---|
| Arsenic | Yes | Oct 1, 2025 |
| Arsenic | Yes | Jul 1, 2025 |
| Arsenic | Yes | Apr 1, 2025 |
| Arsenic | Yes | Apr 1, 2025 |
| Arsenic | Yes | Jan 1, 2025 |
| Arsenic | Yes | Jan 1, 2025 |
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| Arsenic | Yes | Oct 1, 2024 |
| Arsenic | Yes | Oct 1, 2024 |
| Arsenic | Yes | Oct 1, 2024 |
| Arsenic | Yes | Jul 1, 2024 |
| Arsenic | Yes | Jul 1, 2024 |
| Arsenic | Yes | Jul 1, 2024 |
| Arsenic | Yes | Jul 1, 2024 |
| Arsenic | Yes | Apr 1, 2024 |
| Arsenic | Yes | Apr 1, 2024 |
| Arsenic | Yes | Apr 1, 2024 |
| Arsenic | Yes | Apr 1, 2024 |
| Arsenic | Yes | Jan 1, 2024 |
| Arsenic | Yes | Jan 1, 2024 |
| Arsenic | Yes | Jan 1, 2024 |
| Arsenic | Yes | Oct 1, 2022 |
| Arsenic | Yes | Oct 1, 2022 |
| Arsenic | Yes | Jul 1, 2022 |
| Arsenic | Yes | Jul 1, 2022 |
| Arsenic | Yes | Apr 1, 2022 |
| Arsenic | Yes | Apr 1, 2022 |
| Arsenic | Yes | Jan 1, 2022 |
| Arsenic | Yes | Oct 1, 2021 |
| Arsenic | Yes | Jul 1, 2021 |
| Arsenic | Yes | Apr 1, 2021 |
| Arsenic | Yes | Jan 1, 2021 |
| Arsenic | Yes | Oct 1, 2020 |
| Arsenic | Yes | Jul 1, 2020 |
| Arsenic | Yes | Apr 1, 2020 |
| Arsenic | Yes | Jan 1, 2020 |
| Arsenic | Yes | Oct 1, 2019 |
| Arsenic | Yes | Jul 1, 2019 |
| Arsenic | Yes | Apr 1, 2019 |
| Arsenic | Yes | Jan 1, 2019 |
| Arsenic | Yes | Jan 1, 2018 |
| Arsenic | Yes | Oct 1, 2017 |
| Arsenic | Yes | Jan 1, 2017 |
| Arsenic | Yes | Jul 1, 2016 |
| Arsenic | Yes | Jan 1, 2016 |
Frequently Asked Questions
What does EPA SDWIS list for CEDAR VALLEY MUTUAL WATER CO?
How many people does CEDAR VALLEY MUTUAL WATER CO serve?
What violations does CEDAR VALLEY MUTUAL WATER CO have?
What contaminants have been found in CEDAR VALLEY MUTUAL WATER CO water?
Compare beyond California
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest CEDAR VALLEY MUTUAL WATER CO on cumulative violation count (45) and EPA-reported population served (137). Violation-count peers include MAKAH NEAH BAY, EPCOR - LAKESIDE, HOMESTEAD WC.
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
CEDAR VALLEY MUTUAL WATER CO (CA2000538) 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 (45 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.