ATASCADERO, CA · San Luis Obispo County
ATASCADERO STATE HOSPITAL Water System
Consumer Confidence Report status
ATASCADERO STATE HOSPITAL 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 ATASCADERO STATE HOSPITAL.
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)
- CA4010832
- System type
- Community Water System
- Population served
- 4,100
- Service connections
- 875
- Ownership
- state government
- Water source
- groundwater (wells)
ATASCADERO STATE HOSPITAL is one of 278 community water systems in California in the 3,301 to 10,000 people size category, serving 4,100 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 2015, all of which EPA lists as closed. Nothing has been added since 2015.
All 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Total Coliform Rules.
Violation history
Monitoring, Routine Major (TCR)
—Coliform (TCR)
October 1, 2015 – October 31, 2015
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2015 – October 31, 2015 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- May 1, 2024State Administrative/Compliance Order without penalty issued2 linked violations
Common questions
Is ATASCADERO STATE HOSPITAL required to publish a Consumer Confidence Report?
- Yes. ATASCADERO STATE HOSPITAL 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 ATASCADERO STATE HOSPITAL’s next Consumer Confidence Report due?
- ATASCADERO STATE HOSPITAL’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does ATASCADERO STATE HOSPITAL have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for ATASCADERO STATE HOSPITAL.
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
DYE, RANDY
805-468-2249
ATASCADERO, CA 93423