PASO ROBLES, CA · San Luis Obispo County
HERITAGE RANCH CSD Water System
Consumer Confidence Report status
HERITAGE RANCH CSD must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for HERITAGE RANCH CSD.
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)
- 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)
HERITAGE RANCH CSD is one of 728 community water systems in California in the 501 to 3,300 people size category, serving 2,956 people from surface water.
As of August 1, 2026, its federal record holds 1 entry in 2023, all of which EPA lists as closed. Nothing has been added since 2023.
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 Stage 2 Disinfectants and Disinfection Byproducts Rule.
Violation history
Maximum Contaminant Level Violation, Average
Health-basedTotal Haloacetic Acids (HAA5)
July 1, 2023 – September 30, 2023
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2023 – September 30, 2023 | Maximum Contaminant Level Violation, Average | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- June 19, 2024State Compliance achieved7 linked violations
- February 27, 2024State Administrative/Compliance Order without penalty issued2 linked violations
- July 19, 2023State Compliance achieved4 linked violations
- July 19, 2023State Compliance achieved4 linked violations
- July 19, 2023State Compliance achieved3 linked violations
- July 19, 2023State Compliance achieved4 linked violations
- May 31, 2022State Administrative/Compliance Order without penalty issued7 linked violations
- December 31, 2020State Administrative/Compliance Order without penalty issued5 linked violations
Common questions
Is HERITAGE RANCH CSD required to publish a Consumer Confidence Report?
- Yes. HERITAGE RANCH CSD is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is HERITAGE RANCH CSD’s next Consumer Confidence Report due?
- HERITAGE RANCH CSD’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does HERITAGE RANCH CSD have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for HERITAGE RANCH CSD.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
DUFFIELD, SCOTT
805-227-6230
PASO ROBLES, CA 93446