Drinking Water Compliance OS

MURPHYS, CA · Calaveras County

UNION PUBLIC UTILITY DISTRICT 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)
CA0510001
System type
Community Water System
Population served
4,774
Service connections
1,735
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2021 – March 31, 2021

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    January 1, 2006 – March 31, 2006

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    July 1, 2005 – September 30, 2005

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    October 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Nitrate

    October 1, 1987 – October 31, 1987

    Archived
  • Monitoring, Regular

    Selenium

    October 1, 1987 – October 31, 1987

    Archived
  • Monitoring, Regular

    Arsenic

    October 1, 1987 – October 31, 1987

    Archived
  • Notification, Public

    No contaminant on record

    October 1, 1987 – October 31, 1987

    Archived
  • Monitoring, Regular

    Fluoride

    October 1, 1987 – October 31, 1987

    Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

SELF, JESSICA

209-728-3651

MURPHYS, CA 95247