NAPA, CA · Napa County
HESS WINERY Water System
Consumer Confidence Report status
HESS WINERY 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 1 item for HESS WINERY that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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)
- CA2801016
- System type
- Community Water System
- Population served
- 250
- Service connections
- 5
- Ownership
- privately owned
- Water source
- groundwater (wells)
HESS WINERY is one of 3,951 community water systems in California in the 500 or fewer people size category, serving 250 people from groundwater.
As of August 1, 2026, its federal record holds 3 entries between 2009 and 2024, of which 1 remains open; none are health-based.
All 3 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 and the Lead and Copper Rule.
Violation history
LSL Reporting
—LEAD AND COPPER RULE REVISIONS
October 17, 2024
UnaddressedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
May 1, 2016 – May 31, 2016
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
May 1, 2009 – May 31, 2009
Resolved
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 17, 2024 | LSL Reporting | LEAD AND COPPER RULE REVISIONS | — | Unaddressed |
| May 1, 2016 – May 31, 2016 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| May 1, 2009 – May 31, 2009 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
Enforcement actions
- June 15, 2009State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- June 15, 2009State Violation/Reminder Notice2 linked violations
Common questions
Is HESS WINERY required to publish a Consumer Confidence Report?
- Yes. HESS WINERY 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 HESS WINERY’s next Consumer Confidence Report due?
- HESS WINERY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does HESS WINERY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for HESS WINERY that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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
SCHNEIDER, ADAM
707-320-9155
NAPA, CA 94558