Drinking Water Compliance OS

SANTA ROSA, CA · Sonoma County

MELITA HEIGHTS MUTUAL WATER COMPANY 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)
CA4900551
System type
Community Water System
Population served
64
Service connections
25
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2005 – December 31, 2005

    Resolved
  • Notification, Public

    No contaminant on record

    September 1, 1984 – September 30, 1984

    Archived
  • Notification, Public

    No contaminant on record

    August 1, 1984 – August 31, 1984

    Archived
  • Notification, Public

    No contaminant on record

    May 1, 1983 – May 31, 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

No enforcement actions on record for this system.

Contact

DELLAVALLE, PETER

707-490-5040

SANTA ROSA, CA 95409