Public Water Partners

SONORA, CA · Tuolumne County

TUD - CEDAR RIDGE WATER SYSTEM Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of October 29, 2024. 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 Tuolumne County, CA.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
CA5510015
System type
Community Water System
Population served
1,879
Service connections
678
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

TUD - CEDAR RIDGE WATER SYSTEM is one of 728 community water systems in California in the 501 to 3,300 people size category, formerly serving 1,879 people from surface water.

EPA's federal records list this system as inactive in 2024; the record below is historical.

As of August 1, 2026, its federal record holds 1 entry in 1980, all of which EPA lists as closed. Nothing has been added since 1980.

None of the 1 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Miscellaneous Other Rules.

Violation history

  • Notification, Public

    —

    No contaminant on record

    January 28, 1980 – February 27, 1980

    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)

HALL, ERIC

209-532-5536

SONORA, CA 95370