Drinking Water Compliance OS

NAPA, CA · Napa County

ESPINOZA WATER SYSTEM Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of December 15, 2022. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Napa County, CA.

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)
CA2801020
System type
Community Water System
Population served
30
Service connections
11
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    August 1, 2022 – August 31, 2022

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 2013 – February 28, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 2013 – January 31, 2013

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2011 – March 14, 2018

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 2009 – April 30, 2009

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 2009 – March 31, 2009

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 2008 – March 31, 2008

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 2008 – January 31, 2008

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 2006 – July 31, 2006

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 2006 – March 31, 2006

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 2005 – March 31, 2005

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    August 1, 2003 – August 31, 2003

    Archived

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

Enforcement actions

Last known contact on file (system is inactive)

ESPINOZA, CYNTHIA

707-226-8953

NAPA, CA 94558