Drinking Water Compliance OS

PATTERSON, CA · Stanislaus County

BUEHNER WATER SYSTEM - WEBER COMPLEX Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of January 10, 2019. 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 Stanislaus 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)
CA5000271
System type
Community Water System
Population served
30
Service connections
9
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    December 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    September 1, 1998 – September 30, 1998

    Resolved
  • Notification, Public

    No contaminant on record

    June 1, 1983 – June 30, 1983

    Archived
  • Notification, Public

    No contaminant on record

    January 1, 1983 – January 31, 1983

    Archived
  • Notification, Public

    No contaminant on record

    October 1, 1982 – October 31, 1982

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    October 1, 1981 – September 30, 1982

    Archived

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

Enforcement actions

Last known contact on file (system is inactive)

BUEHNER, KEN

209-892-8040

PATTERSON, CA 95363