Drinking Water Compliance OS

SONORA, CA · Tuolumne County

TUD-CUESTA CENTER-LAMBERT LAKES Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of February 19, 2015. 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 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)
CA5510027
System type
Community Water System
Population served
533
Service connections
226
Ownership
public/private mix
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

No violations on record for this system.

Enforcement actions

No enforcement actions on record for this system.

Last known contact on file (system is inactive)

PERKINS, DON

209-532-5536

SONORA, CA 95370