Drinking Water Compliance OS

NAPA, CA · Napa County

R RANCH AT THE LAKE Water System

Current status

1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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)
CA2800593
System type
Community Water System
Population served
28
Service connections
16
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • LSL Reporting

    LEAD AND COPPER RULE REVISIONS

    October 17, 2024

    Unaddressed
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    October 1, 2024 – March 25, 2025

    Resolved
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    October 1, 2021 – March 1, 2022

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2017 – December 5, 2017

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2012 – November 30, 2012

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2012 – March 14, 2018

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 2012 – May 31, 2012

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 2011 – July 31, 2011

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 2011 – September 30, 2011

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    October 1, 1981 – September 30, 1982

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    October 30, 1980 – October 29, 1981

    Archived

Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

HANKES, BRANDON

707-252-0140

NAPA, CA 94558