WOFFORD HEIGHTS, CA · Kern County

R.S. MUTUAL WATER COMPANY Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)

Violation history

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
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, 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, Average
Health-based
Combined Uranium
January 1, 2024 – March 31, 2024
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2024 – March 31, 2024
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 2023 – December 31, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
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, Average
Health-based
Combined Uranium
October 1, 2022 – December 31, 2022
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
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
Arsenic
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, Average
Health-based
Combined Uranium
April 1, 2019 – June 30, 2019
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
October 1, 2018 – December 31, 2018
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
January 1, 2018 – March 31, 2018
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
July 1, 2017 – September 30, 2017
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
April 1, 2017 – June 30, 2017
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2015 – September 30, 2015
Archived
Monitoring, Regular
—
Arsenic
October 1, 2014 – December 31, 2014
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2013 – December 31, 2013
Archived
Monitoring, Regular
—
Arsenic
January 1, 2013 – March 31, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2012 – September 30, 2012
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2012 – June 30, 2012
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2012 – March 31, 2012
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2011 – September 30, 2011
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2011 – March 31, 2011
Archived
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
June 1, 2009 – June 30, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2007 – June 30, 2007
Archived
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, Average	Combined Uranium	Health-based	Archived
October 1, 2025 – December 31, 2025	Maximum Contaminant Level Violation, Single Sample	Nitrate	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, 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, Average	Combined Uranium	Health-based	Archived
January 1, 2024 – March 31, 2024	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
October 1, 2023 – December 31, 2023	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
October 1, 2023 – December 31, 2023	Maximum Contaminant Level Violation, Average	Arsenic	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, Average	Combined Uranium	Health-based	Archived
October 1, 2022 – December 31, 2022	Maximum Contaminant Level Violation, Single Sample	Nitrate	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
January 1, 2021 – March 31, 2021	Maximum Contaminant Level Violation, Average	Arsenic	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
April 1, 2019 – June 30, 2019	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Archived
October 1, 2018 – December 31, 2018	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
January 1, 2018 – March 31, 2018	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
July 1, 2017 – September 30, 2017	Maximum Contaminant Level Violation, Average	Combined Uranium	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
April 1, 2017 – June 30, 2017	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
July 1, 2015 – September 30, 2015	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
October 1, 2014 – December 31, 2014	Monitoring, Regular	Arsenic	—	Resolved
October 1, 2013 – December 31, 2013	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
January 1, 2013 – March 31, 2013	Monitoring, Regular	Arsenic	—	Resolved
July 1, 2012 – September 30, 2012	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
April 1, 2012 – June 30, 2012	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
January 1, 2012 – March 31, 2012	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
July 1, 2011 – September 30, 2011	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
January 1, 2011 – March 31, 2011	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
June 1, 2009 – June 30, 2009	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
April 1, 2007 – June 30, 2007	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
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

October 27, 2021State Administrative/Compliance Order with penalty issued11 linked violations
February 18, 2020State Administrative/Compliance Order without penalty issued115 linked violations
July 30, 2009State Compliance achieved8 linked violations
October 26, 2007State Violation/Reminder Notice16 linked violations
August 13, 2003State Administrative/Compliance Order without penalty issued22 linked violations

Contact

FOLEY, CAROL

760-478-8385

WOFFORD HEIGHTS, CA 93285