PlainWater

ST NICHOLAS RANCH & RETREAT

PWS ID: CA1000377 · SQUAW VALLEY, California 93675

ST NICHOLAS RANCH & RETREAT serves 98 people in SQUAW VALLEY, California using Groundwater water sources. It has 134 recorded EPA violations, including 31 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: ST NICHOLAS RANCH & RETREAT

ST NICHOLAS RANCH & RETREAT is a private-owned non-transient non-community water system that delivers drinking water to 98 residents in SQUAW VALLEY, California (Fresno County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 134 total violations for this system , of which 31 (23%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 93 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 29 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. ST NICHOLAS RANCH & RETREAT's 134 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
98
Total Violations
134
Health-Based Violations
31
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
2
County
Fresno
School/Daycare
No
MCL Violations
30
Monitoring Violations
93
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 29 2012
Revised Total Coliform Rule MON 29 2020
Combined Uranium MCL 22 2016
Lead and Copper Rule MR 19 2024
Nitrate MR 14 2013
Coliform (TCR) MCL 8 2013
Consumer Confidence Rule Other 7 2024
Public Notice Other 2 2015
Combined Uranium MR 2 2021
LEAD AND COPPER RULE REVISIONS TT 1 2024
LEAD AND COPPER RULE REVISIONS RPT 1 2024

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 ST NICHOLAS RANCH & RETREAT.

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 CA1000377 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 ST NICHOLAS RANCH & RETREAT 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 Lead and Copper Rule MR 19 SDWIS / CA1000377 / 5000
2024 Consumer Confidence Rule Other 7 SDWIS / CA1000377 / 7000
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / CA1000377 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / CA1000377 / 5200
2021 Combined Uranium MR 2 SDWIS / CA1000377 / 4006
2020 Revised Total Coliform Rule MON 29 SDWIS / CA1000377 / 8000
2016 Combined Uranium MCL 22 SDWIS / CA1000377 / 4006
2015 Public Notice Other 2 SDWIS / CA1000377 / 7500
2013 Nitrate MR 14 SDWIS / CA1000377 / 1040
2013 Coliform (TCR) MCL 8 SDWIS / CA1000377 / 3100
2012 Coliform (TCR) MR 29 SDWIS / CA1000377 / 3100

How ST NICHOLAS RANCH & RETREAT Compares

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

Metric ST NICHOLAS RANCH & RETREAT California avg Federal benchmark
Total violations 134 21.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 31 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 98 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 ST NICHOLAS RANCH & RETREAT water safe to drink?
ST NICHOLAS RANCH & RETREAT (PWS ID: CA1000377) has 134 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 98 people using Groundwater sources.
How many people does ST NICHOLAS RANCH & RETREAT serve?
ST NICHOLAS RANCH & RETREAT serves 98 people in SQUAW VALLEY, California. It is a Private-owned system using Groundwater water sources with 2 service connections.
What type of violations does ST NICHOLAS RANCH & RETREAT have?
ST NICHOLAS RANCH & RETREAT has 134 total violations: 31 health-based violations (MCL exceedances or treatment failures), 93 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in ST NICHOLAS RANCH & RETREAT water?
No PFAS testing data is available for ST NICHOLAS RANCH & RETREAT under the EPA's UCMR5 monitoring program.
What water source does ST NICHOLAS RANCH & RETREAT use?
ST NICHOLAS RANCH & RETREAT uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial