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PIKE RANCH MUTUAL WATER CO

PWS ID: CA2000526 · OAKHURST, California 93644

PIKE RANCH MUTUAL WATER CO serves 74 people in OAKHURST, California using Groundwater water sources. It has 227 recorded EPA violations, including 71 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: PIKE RANCH MUTUAL WATER CO

PIKE RANCH MUTUAL WATER CO is a private-owned community water system that delivers drinking water to 74 residents in OAKHURST, California (Madera County) through 20 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 227 total violations for this system , of which 71 (31%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 147 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 56 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across California, EPA tracks 7,249 public water systems serving 42,404,883 people, with 153,308 cumulative violations and 63,983 health-based violations on record. About 89% of systems in the state carry at least one violation, and state-wide the average per system is 21.1 violations. PIKE RANCH MUTUAL WATER CO's 227 violations sit above the California average. Statewide, 447 of 694 UCMR5-tested systems have reported PFAS detections (64.4%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
74
Total Violations
227
Health-Based Violations
71
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
20
County
Madera
School/Daycare
No
MCL Violations
70
Monitoring Violations
147
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 56 2015
Coliform (TCR) MCL 53 2015
Combined Uranium MCL 15 2023
Combined Uranium MR 12 2024
Lead and Copper Rule MR 3 2018
Consumer Confidence Rule Other 2 2017
Barium MR 2 2016
Cadmium MR 2 2016
Chromium MR 2 2016
Fluoride MR 2 2016
Total Haloacetic Acids (HAA5) MR 2 2018
TTHM MR 2 2018
Revised Total Coliform Rule MCL 2 2020
Xylenes, Total MR 2 2016
DICHLOROMETHANE MR 2 2016
o-Dichlorobenzene MR 2 2016
Vinyl chloride MR 2 2016
trans-1,2-Dichloroethylene MR 2 2016
1,2-Dichloroethane MR 2 2016
1,1,1-Trichloroethane MR 2 2016
Trichloroethylene MR 2 2016
1,1,2-Trichloroethane MR 2 2016
Tetrachloroethylene MR 2 2016
Toluene MR 2 2016
Ethylbenzene MR 2 2016
Gross Alpha, Excl. Radon and U MR 2 1981
Antimony, Total MR 2 2016
cis-1,2-Dichloroethylene MR 2 2016
Arsenic MR 2 2016
Styrene MR 2 2016

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for PIKE RANCH MUTUAL WATER CO.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID CA2000526 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

California Drinking Water Authority

California State Water Resources Control Board — Division of Drinking Water is the primacy agency that licenses and inspects PIKE RANCH MUTUAL WATER CO under EPA-delegated authority.

Open CA regulator portal

Source: California State Water Resources Control Board — Division of Drinking Water

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 Combined Uranium MR 12 SDWIS / CA2000526 / 4006
2024 Nitrate MR 2 SDWIS / CA2000526 / 1040
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / CA2000526 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / CA2000526 / 5200
2023 Combined Uranium MCL 15 SDWIS / CA2000526 / 4006
2020 Revised Total Coliform Rule MCL 2 SDWIS / CA2000526 / 8000
2018 Lead and Copper Rule MR 3 SDWIS / CA2000526 / 5000
2018 Total Haloacetic Acids (HAA5) MR 2 SDWIS / CA2000526 / 2456
2018 TTHM MR 2 SDWIS / CA2000526 / 2950
2018 Nitrate-Nitrite MR 2 SDWIS / CA2000526 / 1038
2017 Consumer Confidence Rule Other 2 SDWIS / CA2000526 / 7000
2016 Barium MR 2 SDWIS / CA2000526 / 1010
2016 Cadmium MR 2 SDWIS / CA2000526 / 1015
2016 Chromium MR 2 SDWIS / CA2000526 / 1020
2016 Fluoride MR 2 SDWIS / CA2000526 / 1025

How PIKE RANCH MUTUAL WATER CO Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric PIKE RANCH MUTUAL WATER CO California avg Federal benchmark
Total violations 227 21.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 71 8.8 Indicates a contaminant exceeded a federal MCL
PFAS detection None 64.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 74 5,850 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 7,249 regulated public water systems in California.

Federal MCL reference — Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is PIKE RANCH MUTUAL WATER CO water safe to drink? ▼
PIKE RANCH MUTUAL WATER CO (PWS ID: CA2000526) has 227 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 74 people using Groundwater sources.
How many people does PIKE RANCH MUTUAL WATER CO serve? ▼
PIKE RANCH MUTUAL WATER CO serves 74 people in OAKHURST, California. It is a Private-owned system using Groundwater water sources with 20 service connections.
What type of violations does PIKE RANCH MUTUAL WATER CO have? ▼
PIKE RANCH MUTUAL WATER CO has 227 total violations: 71 health-based violations (MCL exceedances or treatment failures), 147 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in PIKE RANCH MUTUAL WATER CO water? ▼
No PFAS testing data is available for PIKE RANCH MUTUAL WATER CO under the EPA's UCMR5 monitoring program.
What water source does PIKE RANCH MUTUAL WATER CO use? ▼
PIKE RANCH MUTUAL WATER CO uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

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