Drinking Water Compliance OS

CHOWCHILLA, CA · Madera County

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

Violation history

  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    October 1, 2014 – December 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

    January 1, 2013 – March 31, 2013

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

TILLER, ERIC

559-665-6100

CHOWCHILLA, CA 93610