SIERRA LINDA MUTUAL WATER CO

PWSID: CA2000506 · North Fork, CA · Serves 200 people

According to EPA Safe Drinking Water Information System (SDWIS), SIERRA LINDA MUTUAL WATER CO (PWSID CA2000506) in North Fork, CA is listed as a CWS water system covering about 200 people. The same extract lists 106 health-based violation records spanning 2016-2025. Those 106 health-based rows for SIERRA LINDA MUTUAL WATER CO cover contaminants such as Arsenic, Combined Uranium, Gross Alpha Particle Activity; they remain historical EPA registry entries, not a current compliance or drinkability score.

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Health-Based Records

SIERRA LINDA MUTUAL WATER CO has 106 health-based violation records in this historical extract. Monitoring and reporting records are not included.

Population Served
200
Health-Based Violation Records
106
Distinct Contaminant Codes
6
Source Type
Groundwater

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. 6 distinct EPA contaminant codes appear in this system's record, including Arsenic, Combined Uranium, Gross Alpha Particle Activity. 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)
CA2000506
System Type
CWS
Water Source
Groundwater
Location
North Fork, CA
Population Served
200
Health Violations
Yes (106)

What contaminants are in this water system?

Violation History (106)

Contaminant Health Date
Arsenic Yes Oct 1, 2025
Combined Uranium Yes Oct 1, 2025
Gross Alpha Particle Activity Yes Oct 1, 2025
Arsenic Yes Jul 1, 2025
Combined Uranium Yes Jul 1, 2025
Gross Alpha Particle Activity Yes Jul 1, 2025
Arsenic Yes Apr 1, 2025
Combined Uranium Yes Apr 1, 2025
Iron Yes Apr 1, 2025
Manganese Yes Apr 1, 2025
Gross Alpha Particle Activity Yes Apr 1, 2025
Arsenic Yes Jan 1, 2025
Combined Uranium Yes Jan 1, 2025
Gross Alpha Particle Activity Yes Jan 1, 2025
Iron Yes Jan 1, 2025
Manganese Yes Jan 1, 2025
LEAD AND COPPER RULE REVISIONS Yes Oct 17, 2024
Arsenic Yes Oct 1, 2024
Arsenic Yes Oct 1, 2024
Combined Uranium Yes Oct 1, 2024
Combined Uranium Yes Oct 1, 2024
Gross Alpha Particle Activity Yes Oct 1, 2024
Gross Alpha Particle Activity Yes Oct 1, 2024
Arsenic Yes Apr 1, 2024
Arsenic Yes Apr 1, 2024
Combined Uranium Yes Apr 1, 2024
Combined Uranium Yes Apr 1, 2024
Gross Alpha Particle Activity Yes Apr 1, 2024
Gross Alpha Particle Activity Yes Apr 1, 2024
Iron Yes Apr 1, 2024
Manganese Yes Apr 1, 2024
Gross Alpha Particle Activity Yes Apr 1, 2024
Gross Alpha Particle Activity Yes Apr 1, 2024
Arsenic Yes Jan 1, 2024
Arsenic Yes Jan 1, 2024
Combined Uranium Yes Jan 1, 2024
Combined Uranium Yes Jan 1, 2024
Gross Alpha Particle Activity Yes Jan 1, 2024
Gross Alpha Particle Activity Yes Jan 1, 2024
Arsenic Yes Oct 1, 2023
Arsenic Yes Oct 1, 2023
Combined Uranium Yes Oct 1, 2023
Combined Uranium Yes Oct 1, 2023
Gross Alpha Particle Activity Yes Oct 1, 2023
Gross Alpha Particle Activity Yes Oct 1, 2023
Arsenic Yes Jul 1, 2023
Arsenic Yes Jul 1, 2023
Combined Uranium Yes Jul 1, 2023
Combined Uranium Yes Jul 1, 2023
Gross Alpha Particle Activity Yes Jul 1, 2023
Gross Alpha Particle Activity Yes Jul 1, 2023
Arsenic Yes Apr 1, 2023
Arsenic Yes Apr 1, 2023
Combined Uranium Yes Apr 1, 2023
Combined Uranium Yes Apr 1, 2023
Iron Yes Apr 1, 2023
Manganese Yes Apr 1, 2023
Gross Alpha Particle Activity Yes Apr 1, 2023
Gross Alpha Particle Activity Yes Apr 1, 2023
Combined Uranium Yes Jan 1, 2023
Combined Uranium Yes Jan 1, 2023
Gross Alpha Particle Activity Yes Jan 1, 2023
Gross Alpha Particle Activity Yes Jan 1, 2023
Iron Yes Jan 1, 2023
Arsenic Yes Jan 1, 2023
Arsenic Yes Jan 1, 2023
Iron Yes Jan 1, 2023
Manganese Yes Jan 1, 2023
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 Apr 1, 2022
Arsenic Yes Apr 1, 2022
Arsenic Yes Jan 1, 2022
Arsenic Yes Jan 1, 2022
Arsenic Yes Oct 1, 2021
Arsenic Yes Oct 1, 2021
Arsenic Yes Jul 1, 2021
Arsenic Yes Jul 1, 2021
Arsenic Yes Apr 1, 2021
Arsenic Yes Apr 1, 2021
Arsenic Yes Jan 1, 2021
Arsenic Yes Jan 1, 2021
Arsenic Yes Oct 1, 2020
Arsenic Yes Apr 1, 2019
Combined Uranium Yes Apr 1, 2019
Combined Uranium Yes Apr 1, 2019
Arsenic Yes Jan 1, 2019
Combined Uranium Yes Jan 1, 2019
Combined Uranium Yes Jan 1, 2019
Gross Alpha Particle Activity Yes Jan 1, 2019
Arsenic Yes Jan 1, 2018
Combined Uranium Yes Jan 1, 2018
Combined Uranium Yes Jan 1, 2018
Gross Alpha Particle Activity Yes Jan 1, 2018
Arsenic Yes Jan 1, 2017
Combined Uranium Yes Jan 1, 2017
Showing 100 of 106 violations.

Frequently Asked Questions

What does EPA SDWIS list for SIERRA LINDA MUTUAL WATER CO?
SIERRA LINDA MUTUAL WATER CO has 106 health-based violation records in this historical extract. Monitoring and reporting records are not included. The system uses groundwater water as its source.
How many people does SIERRA LINDA MUTUAL WATER CO serve?
SIERRA LINDA MUTUAL WATER CO serves 200 people in North Fork, CA. It is classified as a CWS water system.
What violations does SIERRA LINDA MUTUAL WATER CO have?
SIERRA LINDA MUTUAL WATER CO has 106 health-based violation records in PlainEnviro's extract spanning 2016–2025. Monitoring and reporting records are not included.
What contaminants have been found in SIERRA LINDA MUTUAL WATER CO water?
Violations have been recorded for 6 contaminants. The most frequent: Arsenic, Combined Uranium, Gross Alpha Particle Activity.

Compare beyond California

Nationwide peers by violations & population served

Cross-state SDWIS systems nearest SIERRA LINDA MUTUAL WATER CO on cumulative violation count (106) and EPA-reported population served (200). Violation-count peers include SUSSEX VILLAGE HALL & WATER UTILITY, WARDENSVILLE, TOWN OF, TOWN OF ZWOLLE WATER SYSTEM.

About This Data

SIERRA LINDA MUTUAL WATER CO (CA2000506) 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 (106 MCL/TT) are historical registry state, not a current drinkability score.

Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services

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