LOS BANOS, CA · Merced County
SAN LUIS HILLS Water System
Consumer Confidence Report status
SAN LUIS HILLS 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 SAN LUIS HILLS.
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)
- CA2400209
- System type
- Community Water System
- Population served
- 779
- Service connections
- 65
- Ownership
- privately owned
- Water source
- surface water (rivers, lakes, or reservoirs)
SAN LUIS HILLS is one of 728 community water systems in California in the 501 to 3,300 people size category, serving 779 people from surface water.
As of August 1, 2026, its federal record holds 2 entries between 2014 and 2015, all of which EPA lists as closed. Nothing has been added since 2015.
None of the 2 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 and the Stage 1 Disinfectants and Disinfection Byproducts Rule.
Violation history
Maximum Contaminant Level Violation, Average
Health-basedTTHM
January 1, 2015 – March 31, 2015
ResolvedTreatment Technique Precursor Removal
Health-basedCARBON, TOTAL
October 1, 2014 – December 31, 2014
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2015 – March 31, 2015 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| October 1, 2014 – December 31, 2014 | Treatment Technique Precursor Removal | CARBON, TOTAL | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- June 5, 2018State Administrative/Compliance Order without penalty issued6 linked violations
- March 1, 2018State Compliance achieved17 linked violations
- May 22, 2012State Administrative/Compliance Order without penalty issued17 linked violations
Common questions
Is SAN LUIS HILLS required to publish a Consumer Confidence Report?
- Yes. SAN LUIS HILLS 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 SAN LUIS HILLS’s next Consumer Confidence Report due?
- SAN LUIS HILLS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does SAN LUIS HILLS have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for SAN LUIS HILLS.
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
SILVA, BRIAN
209-826-4043
LOS BANOS, CA 93635