Drinking Water Compliance OS

SONORA, CA · Tuolumne County

GOLDEN SIERRA ESTATES_FKA MOTHER LODE 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)
CA5500125
System type
Community Water System
Population served
210
Service connections
75
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Notification, Public

    No contaminant on record

    September 1, 1983 – September 30, 1983

    Archived
  • Notification, Public

    No contaminant on record

    August 1, 1983 – August 31, 1983

    Archived
  • Notification, Public

    No contaminant on record

    July 1, 1983 – July 31, 1983

    Archived
  • Notification, Public

    No contaminant on record

    May 1, 1983 – May 31, 1983

    Archived
  • Notification, Public

    No contaminant on record

    April 1, 1983 – April 30, 1983

    Archived
  • Notification, Public

    No contaminant on record

    March 1, 1983 – March 31, 1983

    Archived
  • Notification, Public

    No contaminant on record

    February 1, 1983 – February 28, 1983

    Archived
  • Notification, Public

    No contaminant on record

    January 1, 1983 – January 31, 1983

    Archived
  • Notification, Public

    No contaminant on record

    December 1, 1982 – December 31, 1982

    Archived
  • Notification, Public

    No contaminant on record

    November 1, 1982 – November 30, 1982

    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

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

SMILEY, SUMMER

209-540-2159

SONORA, CA 95370