Drinking Water Compliance OS

YUBA CITY, CA · Sutter County

HONOR OAK WATER CO Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of November 1, 1993. 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 Sutter 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)
CA5100104
System type
Community Water System
Population served
126
Service connections
42
Ownership
not on record
Water source
groundwater (wells)

Violation history

  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    March 14, 1985 – March 13, 1986

    Archived
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    December 10, 1984 – December 9, 1985

    Archived
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    October 24, 1984 – October 23, 1985

    Archived
  • 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

    July 1, 1984 – July 31, 1984

    Archived
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    December 1, 1982 – December 31, 1982

    Archived
  • Notification, Public

    No contaminant on record

    December 1, 1982 – December 31, 1982

    Archived
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    October 19, 1982 – October 18, 1983

    Archived
  • Notification, Public

    No contaminant on record

    October 1, 1982 – October 31, 1982

    Archived
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    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

No enforcement actions on record for this system.

Last known contact on file (system is inactive)

Not on record

Phone not on record

YUBA CITY, CA 95991