Drinking Water Compliance OS

PASO ROBLES, CA · San Luis Obispo County

HERITAGE RANCH CSD 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)
CA4010012
System type
Community Water System
Population served
2,956
Service connections
1,963
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

Violation history

  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    October 1, 2022 – December 31, 2022

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    October 1, 2022 – December 31, 2022

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    July 1, 2022 – September 30, 2022

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Total Haloacetic Acids (HAA5)

    October 1, 2020 – December 31, 2020

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Contact

DUFFIELD, SCOTT

805-227-6230

PASO ROBLES, CA 93446