Is VALLEY STATE PRISON required to publish a Consumer Confidence Report?

Yes. VALLEY STATE PRISON 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 VALLEY STATE PRISON’s next Consumer Confidence Report due?

VALLEY STATE PRISON’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.

CHOWCHILLA, CA · Madera County

VALLEY STATE PRISON Water System

Consumer Confidence Report status

VALLEY STATE PRISON 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 VALLEY STATE PRISON.

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): CA2010801
System type: Community Water System
Population served: 3,173
Service connections: 74
Ownership: state government
Water source: groundwater (wells)

VALLEY STATE PRISON is one of 728 community water systems in California in the 501 to 3,300 people size category, serving 3,173 people from groundwater.

As of August 1, 2026, its federal record holds 9 entries between 2010 and 2015, all of which EPA lists as closed. Nothing has been added since 2015.

Of the 9, 2 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 and the Total Coliform Rules.

Violation history

Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2015 – September 30, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2015 – June 30, 2015
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2014 – December 31, 2014
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2014 – March 31, 2014
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2013 – December 31, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2013 – September 30, 2013
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
May 1, 2013 – May 31, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2013 – June 30, 2013
Resolved
Monitoring, Regular
—
Arsenic
July 1, 2010 – September 30, 2010
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2015 – September 30, 2015	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
April 1, 2015 – June 30, 2015	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
October 1, 2014 – December 31, 2014	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
January 1, 2014 – March 31, 2014	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
October 1, 2013 – December 31, 2013	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
July 1, 2013 – September 30, 2013	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
May 1, 2013 – May 31, 2013	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
April 1, 2013 – June 30, 2013	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	Arsenic	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

March 27, 2009State Administrative/Compliance Order without penalty issued16 linked violations
March 26, 2009State Violation/Reminder Notice4 linked violations

Common questions

Is VALLEY STATE PRISON required to publish a Consumer Confidence Report?: Yes. VALLEY STATE PRISON 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 VALLEY STATE PRISON’s next Consumer Confidence Report due?: VALLEY STATE PRISON’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does VALLEY STATE PRISON have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for VALLEY STATE PRISON.
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

TILLER, ERIC

559-665-6100

CHOWCHILLA, CA 93610