Is HUGHSON, CITY OF required to publish a Consumer Confidence Report?

Yes. HUGHSON, CITY OF 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 HUGHSON, CITY OF’s next Consumer Confidence Report due?

HUGHSON, CITY OF’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.

HUGHSON, CA · Stanislaus County

HUGHSON, CITY OF Water System

Consumer Confidence Report status

HUGHSON, CITY OF 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 1 open health-based violation for HUGHSON, CITY OF.

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): CA5010008
System type: Community Water System
Population served: 7,481
Service connections: 2,329
Ownership: local government
Water source: groundwater (wells)

HUGHSON, CITY OF is one of 278 community water systems in California in the 3,301 to 10,000 people size category, serving 7,481 people from groundwater.

As of August 1, 2026, its federal record holds 41 entries between 1987 and 2025, of which 1 health-based item remains open.

Of the 41, 1 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 Lead and Copper Rule, and the Miscellaneous Other Rules.

Violation history

Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2025 – September 30, 2025
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2025 – June 30, 2025
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2025 – March 31, 2025
Archived
LSL Inventory
Health-based
LEAD AND COPPER RULE REVISIONS
October 17, 2024
Unaddressed
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2024 – December 31, 2024
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2024 – September 30, 2024
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2024 – June 30, 2024
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2023 – December 31, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2023 – September 30, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2023 – June 30, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2023 – March 31, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2022 – September 30, 2022
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2022 – June 30, 2022
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2021 – September 30, 2021
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
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, Average
Health-based
Arsenic
October 1, 2020 – December 31, 2020
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2020 – June 30, 2020
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2020 – March 31, 2020
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2019 – December 31, 2019
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2019 – September 30, 2019
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2019 – June 30, 2019
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2019 – March 31, 2019
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2018 – December 31, 2018
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2018 – September 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
Arsenic
January 1, 2018 – March 31, 2018
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2017 – December 31, 2017
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2016 – December 31, 2016
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2015 – December 31, 2015
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2015 – March 31, 2015
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2014 – December 31, 2014
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2014 – September 30, 2014
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2013 – December 31, 2013
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2012 – September 30, 2012
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2011 – September 30, 2011
Archived
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2010 – January 12, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2010 – March 31, 2010
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2006 – December 31, 2006
Archived
Notification, Public
—
No contaminant on record
August 1, 1987 – August 31, 1987
Archived
Notification, Public
—
No contaminant on record
July 1, 1987 – July 31, 1987
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, Average	Arsenic	Health-based	Archived
April 1, 2025 – June 30, 2025	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
January 1, 2025 – March 31, 2025	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
October 17, 2024	LSL Inventory	LEAD AND COPPER RULE REVISIONS	Health-based	Unaddressed
October 1, 2024 – December 31, 2024	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
July 1, 2024 – September 30, 2024	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
April 1, 2024 – June 30, 2024	Maximum Contaminant Level Violation, Average	Arsenic	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	Arsenic	Health-based	Archived
April 1, 2023 – June 30, 2023	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
January 1, 2023 – March 31, 2023	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
July 1, 2022 – September 30, 2022	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
April 1, 2022 – June 30, 2022	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
July 1, 2021 – September 30, 2021	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
April 1, 2021 – June 30, 2021	Maximum Contaminant Level Violation, Average	Arsenic	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, Average	Arsenic	Health-based	Archived
April 1, 2020 – June 30, 2020	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
January 1, 2020 – March 31, 2020	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
October 1, 2019 – December 31, 2019	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
July 1, 2019 – September 30, 2019	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
April 1, 2019 – June 30, 2019	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
January 1, 2019 – March 31, 2019	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
October 1, 2018 – December 31, 2018	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
July 1, 2018 – September 30, 2018	Maximum Contaminant Level Violation, Average	Arsenic	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	Arsenic	Health-based	Archived
October 1, 2017 – December 31, 2017	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
October 1, 2016 – December 31, 2016	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
October 1, 2015 – December 31, 2015	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
January 1, 2015 – March 31, 2015	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
October 1, 2014 – December 31, 2014	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
July 1, 2014 – September 30, 2014	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
October 1, 2013 – December 31, 2013	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
July 1, 2012 – September 30, 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
October 1, 2010 – January 12, 2011	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2010 – March 31, 2010	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
October 1, 2006 – December 31, 2006	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
August 1, 1987 – August 31, 1987	Notification, Public	—	—	Archived
July 1, 1987 – July 31, 1987	Notification, Public	—	—	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

November 21, 2011State Administrative/Compliance Order without penalty issued1 linked violation
November 21, 2011State Compliance achieved1 linked violation
January 12, 2011State Compliance achieved1 linked violation
January 5, 2009State Administrative/Compliance Order without penalty issued67 linked violations
September 16, 2003State Compliance achieved2 linked violations
September 9, 2003State Administrative/Compliance Order without penalty issued3 linked violations

Common questions

Is HUGHSON, CITY OF required to publish a Consumer Confidence Report?: Yes. HUGHSON, CITY OF 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 HUGHSON, CITY OF’s next Consumer Confidence Report due?: HUGHSON, CITY OF’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does HUGHSON, CITY OF have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show 1 open health-based violation for HUGHSON, CITY OF.
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

JAUREGUI, CARLA

209-450-6252

HUGHSON, CA 95326