Is R.S. MUTUAL WATER COMPANY required to publish a Consumer Confidence Report?

Yes. R.S. MUTUAL WATER COMPANY is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is R.S. MUTUAL WATER COMPANY’s next Consumer Confidence Report due?

R.S. MUTUAL WATER COMPANY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

WOFFORD HEIGHTS, CA · Kern County

R.S. MUTUAL WATER COMPANY Water System

Consumer Confidence Report status

R.S. MUTUAL WATER COMPANY must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for R.S. MUTUAL WATER COMPANY.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace California’s official records. Always confirm current status with California before making decisions based on this information.

System facts

System ID (PWSID): CA1500458
System type: Community Water System
Population served: 67
Service connections: 22
Ownership: privately owned
Water source: groundwater (wells)

R.S. MUTUAL WATER COMPANY is one of 3,951 community water systems in California in the 500 or fewer people size category, serving 67 people from groundwater.

As of August 1, 2026, its federal record holds 51 entries between 1980 and 2025, all of which EPA lists as closed.

Of the 51, 3 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves inorganic chemicals, the Radionuclides and Revised Rad Rule, and the Miscellaneous Other Rules.

Violation history

Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 2025 – December 31, 2025
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
October 1, 2025 – December 31, 2025
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
July 1, 2025 – September 30, 2025
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
April 1, 2025 – June 30, 2025
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
April 1, 2025 – June 30, 2025
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2025 – March 31, 2025
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 2024 – December 31, 2024
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
July 1, 2024 – September 30, 2024
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
July 1, 2024 – September 30, 2024
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
April 1, 2024 – June 30, 2024
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2024 – March 31, 2024
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
January 1, 2024 – March 31, 2024
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2023 – December 31, 2023
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 2023 – December 31, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
July 1, 2023 – September 30, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
April 1, 2023 – June 30, 2023
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
April 1, 2023 – June 30, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
January 1, 2023 – March 31, 2023
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 2022 – December 31, 2022
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
October 1, 2022 – December 31, 2022
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
July 1, 2022 – September 30, 2022
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
April 1, 2022 – June 30, 2022
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
October 1, 2021 – December 31, 2021
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
July 1, 2021 – September 30, 2021
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
April 1, 2021 – June 30, 2021
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2021 – March 31, 2021
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2021 – March 31, 2021
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 2020 – December 31, 2020
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
October 1, 2020 – December 31, 2020
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2020 – December 31, 2020
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2020 – September 30, 2020
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
July 1, 2020 – September 30, 2020
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
October 1, 2019 – December 31, 2019
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 2019 – December 31, 2019
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
July 1, 2019 – September 30, 2019
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
July 1, 2019 – September 30, 2019
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
April 1, 2019 – June 30, 2019
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
July 1, 2018 – September 30, 2018
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
April 1, 2018 – June 30, 2018
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2018 – June 30, 2018
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
January 1, 2018 – March 31, 2018
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2018 – March 31, 2018
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
July 1, 2017 – September 30, 2017
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
April 1, 2017 – June 30, 2017
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2015 – March 31, 2015
Archived
Monitoring, Regular
—
Nitrate
October 1, 2014 – December 31, 2014
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2008 – September 30, 2008
Resolved
Notification, Public
—
No contaminant on record
August 1, 1984 – August 31, 1984
Archived
Notification, Public
—
No contaminant on record
July 1, 1984 – July 31, 1984
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 1, 1981 – September 30, 1982
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
October 30, 1980 – October 29, 1981
Archived

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2025 – December 31, 2025	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
October 1, 2025 – December 31, 2025	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Archived
July 1, 2025 – September 30, 2025	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
April 1, 2025 – June 30, 2025	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Archived
April 1, 2025 – June 30, 2025	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
January 1, 2025 – March 31, 2025	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
October 1, 2024 – December 31, 2024	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
July 1, 2024 – September 30, 2024	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
July 1, 2024 – September 30, 2024	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Archived
April 1, 2024 – June 30, 2024	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Archived
January 1, 2024 – March 31, 2024	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
January 1, 2024 – March 31, 2024	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Archived
October 1, 2023 – December 31, 2023	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
October 1, 2023 – December 31, 2023	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
July 1, 2023 – September 30, 2023	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Archived
April 1, 2023 – June 30, 2023	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Archived
April 1, 2023 – June 30, 2023	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
January 1, 2023 – March 31, 2023	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Archived
October 1, 2022 – December 31, 2022	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
October 1, 2022 – December 31, 2022	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Archived
July 1, 2022 – September 30, 2022	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Archived
April 1, 2022 – June 30, 2022	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Archived
October 1, 2021 – December 31, 2021	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Archived
July 1, 2021 – September 30, 2021	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Archived
April 1, 2021 – June 30, 2021	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Archived
January 1, 2021 – March 31, 2021	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
January 1, 2021 – March 31, 2021	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
October 1, 2020 – December 31, 2020	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
October 1, 2020 – December 31, 2020	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Archived
October 1, 2020 – December 31, 2020	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
July 1, 2020 – September 30, 2020	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
July 1, 2020 – September 30, 2020	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
October 1, 2019 – December 31, 2019	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Archived
October 1, 2019 – December 31, 2019	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
July 1, 2019 – September 30, 2019	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
July 1, 2019 – September 30, 2019	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Archived
April 1, 2019 – June 30, 2019	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Archived
July 1, 2018 – September 30, 2018	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
April 1, 2018 – June 30, 2018	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Archived
April 1, 2018 – June 30, 2018	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
January 1, 2018 – March 31, 2018	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Archived
January 1, 2018 – March 31, 2018	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
July 1, 2017 – September 30, 2017	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
April 1, 2017 – June 30, 2017	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Archived
January 1, 2015 – March 31, 2015	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
October 1, 2014 – December 31, 2014	Monitoring, Regular	Nitrate	—	Resolved
September 1, 2008 – September 30, 2008	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 1984 – August 31, 1984	Notification, Public	—	—	Archived
July 1, 1984 – July 31, 1984	Notification, Public	—	—	Archived
October 1, 1981 – September 30, 1982	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived
October 30, 1980 – October 29, 1981	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

February 18, 2020State Administrative/Compliance Order without penalty issued115 linked violations
March 16, 2015State Violation/Reminder Notice64 linked violations
November 19, 2013State Administrative/Compliance Order without penalty issued54 linked violations
September 30, 2008State Compliance achieved15 linked violations
August 13, 2003State Administrative/Compliance Order without penalty issued22 linked violations

Common questions

Is R.S. MUTUAL WATER COMPANY required to publish a Consumer Confidence Report?: Yes. R.S. MUTUAL WATER COMPANY is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is R.S. MUTUAL WATER COMPANY’s next Consumer Confidence Report due?: R.S. MUTUAL WATER COMPANY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does R.S. MUTUAL WATER COMPANY have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for R.S. MUTUAL WATER COMPANY.
What is a Consumer Confidence Report?: A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

FOLEY, CAROL

760-478-8385

WOFFORD HEIGHTS, CA 93285