VALLEY FORD, CA · Sonoma County

VALLEY FORD WATER ASSOCIATION Water System

Current status

1 open health-based violation on record as of July 4, 2026, alongside 1 other open item(s). See the violation history below for contaminant and status details.

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): CA4900568
System type: Community Water System
Population served: 88
Service connections: 18
Ownership: privately owned
Water source: groundwater (wells)

Violation history

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
LSL Reporting
—
LEAD AND COPPER RULE REVISIONS
October 17, 2024
Unaddressed
LSL Inventory
Health-based
LEAD AND COPPER RULE REVISIONS
October 17, 2024
Unaddressed
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, Single Sample
Health-based
Nitrate
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, Single Sample
Health-based
Nitrate
October 1, 2023 – December 31, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2023 – December 31, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2023 – September 30, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2023 – September 30, 2023
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
July 1, 2023 – September 30, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
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
TTHM
April 1, 2023 – June 30, 2023
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2023 – March 31, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2023 – March 31, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2022 – September 30, 2022
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
April 1, 2022 – June 30, 2022
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2022 – June 30, 2022
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2022 – March 31, 2022
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2022 – March 31, 2022
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 2021 – December 31, 2021
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2021 – December 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
Total Haloacetic Acids (HAA5)
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
TTHM
July 1, 2020 – September 30, 2020
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
April 1, 2020 – June 30, 2020
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2020 – June 30, 2020
Archived
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2020 – June 30, 2020
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2020 – March 31, 2020
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2020 – March 31, 2020
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 2019 – December 31, 2019
Archived
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
August 1, 2019 – August 31, 2019
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
July 1, 2019 – September 30, 2019
Archived
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
March 1, 2019 – March 31, 2019
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
February 1, 2019 – February 28, 2019
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 2018 – December 31, 2018
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
July 1, 2018 – September 30, 2018
Archived
Variance/Exemption/Other Compliance
—
No contaminant on record
February 28, 2018 – December 2, 2019
Resolved
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
April 1, 2017 – June 30, 2017
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2017 – March 31, 2017
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
July 1, 2016 – September 30, 2016
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
April 1, 2016 – June 30, 2016
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2016 – March 31, 2016
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2015 – March 31, 2015
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
April 1, 2014 – June 30, 2014
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 1, 2014 – March 31, 2014
Archived
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
April 1, 2013 – June 30, 2013
Archived
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
January 1, 2013 – March 31, 2013
Archived
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
October 1, 2012 – December 31, 2012
Archived
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
April 1, 2011 – June 30, 2011
Archived
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
October 1, 2010 – December 31, 2010
Archived
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
July 1, 2010 – September 30, 2010
Archived
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
April 1, 2010 – June 30, 2010
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
July 1, 2007 – September 30, 2007
Archived
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
July 1, 1993 – November 30, 2006
Resolved
Notification, Public
—
No contaminant on record
September 1, 1984 – September 30, 1984
Archived
Notification, Public
—
No contaminant on record
July 1, 1984 – July 31, 1984
Archived
Notification, Public
—
No contaminant on record
May 1, 1983 – May 31, 1983
Archived
Notification, Public
—
No contaminant on record
February 1, 1983 – February 28, 1983
Archived
Notification, Public
—
No contaminant on record
December 1, 1982 – December 31, 1982
Archived
Notification, Public
—
No contaminant on record
November 1, 1982 – November 30, 1982
Archived
Notification, Public
—
No contaminant on record
October 1, 1982 – October 31, 1982
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)Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
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 17, 2024	LSL Reporting	LEAD AND COPPER RULE REVISIONS	—	Unaddressed
October 17, 2024	LSL Inventory	LEAD AND COPPER RULE REVISIONS	Health-based	Unaddressed
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
April 1, 2024 – June 30, 2024	Maximum Contaminant Level Violation, Single Sample	Nitrate	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	Total Haloacetic Acids (HAA5)	Health-based	Archived
July 1, 2023 – September 30, 2023	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
July 1, 2023 – September 30, 2023	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
July 1, 2023 – September 30, 2023	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
April 1, 2023 – June 30, 2023	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
April 1, 2023 – June 30, 2023	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
April 1, 2023 – June 30, 2023	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
January 1, 2023 – March 31, 2023	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
January 1, 2023 – March 31, 2023	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
July 1, 2022 – September 30, 2022	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
April 1, 2022 – June 30, 2022	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
April 1, 2022 – June 30, 2022	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
January 1, 2022 – March 31, 2022	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
January 1, 2022 – March 31, 2022	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
October 1, 2021 – December 31, 2021	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
October 1, 2021 – December 31, 2021	Maximum Contaminant Level Violation, Average	TTHM	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
July 1, 2020 – September 30, 2020	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
July 1, 2020 – September 30, 2020	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
July 1, 2020 – September 30, 2020	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
April 1, 2020 – June 30, 2020	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
April 1, 2020 – June 30, 2020	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
April 1, 2020 – June 30, 2020	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
January 1, 2020 – March 31, 2020	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
January 1, 2020 – March 31, 2020	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
October 1, 2019 – December 31, 2019	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
August 1, 2019 – August 31, 2019	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
July 1, 2019 – September 30, 2019	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
March 1, 2019 – March 31, 2019	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
February 1, 2019 – February 28, 2019	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
October 1, 2018 – December 31, 2018	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
July 1, 2018 – September 30, 2018	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
February 28, 2018 – December 2, 2019	Variance/Exemption/Other Compliance	—	—	Resolved
January 1, 2018 – March 31, 2018	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
April 1, 2017 – June 30, 2017	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
January 1, 2017 – March 31, 2017	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
July 1, 2016 – September 30, 2016	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
April 1, 2016 – June 30, 2016	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
January 1, 2016 – March 31, 2016	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
January 1, 2015 – March 31, 2015	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
April 1, 2014 – June 30, 2014	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
January 1, 2014 – March 31, 2014	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
April 1, 2013 – June 30, 2013	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Archived
January 1, 2013 – March 31, 2013	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Archived
October 1, 2012 – December 31, 2012	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Archived
April 1, 2011 – June 30, 2011	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Archived
October 1, 2010 – December 31, 2010	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Archived
July 1, 2010 – September 30, 2010	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Archived
April 1, 2010 – June 30, 2010	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Archived
July 1, 2007 – September 30, 2007	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
July 1, 1993 – November 30, 2006	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
September 1, 1984 – September 30, 1984	Notification, Public	—	—	Archived
July 1, 1984 – July 31, 1984	Notification, Public	—	—	Archived
May 1, 1983 – May 31, 1983	Notification, Public	—	—	Archived
February 1, 1983 – February 28, 1983	Notification, Public	—	—	Archived
December 1, 1982 – December 31, 1982	Notification, Public	—	—	Archived
November 1, 1982 – November 30, 1982	Notification, Public	—	—	Archived
October 1, 1982 – October 31, 1982	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)Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Enforcement actions

January 8, 2021State Compliance achieved3 linked violations

Contact

ROSENBLUM, JONATHAN

347-413-3759

VALLEY FORD, CA 94972