Drinking Water Compliance OS

RIVERSIDE, CA · Riverside County

INTER-COUNTY 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 Riverside 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)
CA3310059
System type
Community Water System
Population served
310
Service connections
70
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    February 1, 1987 – February 28, 1987

    Archived
  • Maximum Contaminant Level Violation, Single Sample

    Health-based

    Nitrate

    January 1, 1987 – January 31, 1987

    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

RIVERSIDE, CA 92509