Drinking Water Compliance OS

NAPA, CA · Napa County

BERRYESSA HIGHLANDS 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)
CA2810013
System type
Community Water System
Population served
715
Service connections
256
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    April 1, 2019 – June 30, 2019

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2019 – March 31, 2019

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2018 – December 31, 2018

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

SILKE, CHRISTOPHER

707-299-1755

NAPA, CA 94559