HOLLISTER, CA · San Benito County
CSA NO. 31 STONEGATE WS Water System
Consumer Confidence Report status
CSA NO. 31 STONEGATE WS 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 CSA NO. 31 STONEGATE WS.
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)
- CA3500006
- System type
- Community Water System
- Population served
- 230
- Service connections
- 77
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
CSA NO. 31 STONEGATE WS is one of 3,951 community water systems in California in the 500 or fewer people size category, serving 230 people from surface water.
As of August 1, 2026, its federal record holds 4 entries between 2006 and 2023, all of which EPA lists as closed. Nothing has been added since 2023.
Of the 4, 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 Stage 1 Disinfectants and Disinfection Byproducts Rule and the Total Coliform Rules.
Violation history
Monitoring, Routine (RTCR)
—Revised Total Coliform Rule
July 1, 2023 – July 31, 2023
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
July 1, 2009 – September 30, 2009
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
January 1, 2006 – March 31, 2006
ResolvedTreatment Technique Precursor Removal
Health-basedCARBON, TOTAL
January 1, 2006 – March 31, 2006
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2023 – July 31, 2023 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| July 1, 2009 – September 30, 2009 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| January 1, 2006 – March 31, 2006 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| January 1, 2006 – March 31, 2006 | Treatment Technique Precursor Removal | CARBON, TOTAL | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- August 15, 2023State Compliance achieved6 linked violations
- October 14, 2016State Compliance achieved3 linked violations
- March 31, 2008State Compliance achieved19 linked violations
Common questions
Is CSA NO. 31 STONEGATE WS required to publish a Consumer Confidence Report?
- Yes. CSA NO. 31 STONEGATE WS 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 CSA NO. 31 STONEGATE WS’s next Consumer Confidence Report due?
- CSA NO. 31 STONEGATE WS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CSA NO. 31 STONEGATE WS have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CSA NO. 31 STONEGATE WS.
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
YOUNG, LINDA
831-636-4170
HOLLISTER, CA 95023