NAPA, CA · Napa County
R RANCH AT THE LAKE Water System
Consumer Confidence Report status
R RANCH AT THE LAKE 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 open health-based violation for R RANCH AT THE LAKE, alongside 1 other open item.
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)
- CA2800593
- System type
- Community Water System
- Population served
- 28
- Service connections
- 16
- Ownership
- privately owned
- Water source
- groundwater (wells)
R RANCH AT THE LAKE is one of 3,951 community water systems in California in the 500 or fewer people size category, serving 28 people from groundwater.
As of August 1, 2026, its federal record holds 13 entries between 1980 and 2024, of which 1 health-based item remains open, alongside 1 other open entry.
Of the 13, 10 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, the Lead and Copper Rule, and the Consumer Confidence Rule.
Violation history
LSL Inventory
Health-basedLEAD AND COPPER RULE REVISIONS
October 17, 2024
UnaddressedLSL Reporting
—LEAD AND COPPER RULE REVISIONS
October 17, 2024
UnaddressedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2024 – March 25, 2025
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2017 – December 5, 2017
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
November 1, 2012 – November 30, 2012
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2012 – March 14, 2018
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
May 1, 2012 – May 31, 2012
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
April 1, 2012 – April 30, 2012
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 2011 – July 31, 2011
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 2011 – September 30, 2011
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 2006 – December 31, 2006
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1981 – September 30, 1982
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 30, 1980 – October 29, 1981
Archived
Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 17, 2024 | LSL Inventory | LEAD AND COPPER RULE REVISIONS | Health-based | Unaddressed |
| October 17, 2024 | LSL Reporting | LEAD AND COPPER RULE REVISIONS | — | Unaddressed |
| October 1, 2024 – March 25, 2025 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| July 1, 2017 – December 5, 2017 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| November 1, 2012 – November 30, 2012 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2012 – March 14, 2018 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| May 1, 2012 – May 31, 2012 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| April 1, 2012 – April 30, 2012 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2011 – July 31, 2011 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2011 – September 30, 2011 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| December 1, 2006 – December 31, 2006 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 1981 – September 30, 1982 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| October 30, 1980 – October 29, 1981 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- January 17, 2023State Compliance achieved3 linked violations
- March 1, 2022State Compliance achieved4 linked violations
- March 14, 2018State Compliance achieved1 linked violation
- December 5, 2017State Compliance achieved1 linked violation
- November 28, 2017State Administrative/Compliance Order without penalty issued1 linked violation
- December 30, 2012State Compliance achieved2 linked violations
- December 17, 2012State Violation/Reminder Notice1 linked violation
- June 18, 2012State Violation/Reminder Notice2 linked violations
- May 30, 2012State Compliance achieved2 linked violations
- January 31, 2007State Compliance achieved2 linked violations
Common questions
Is R RANCH AT THE LAKE required to publish a Consumer Confidence Report?
- Yes. R RANCH AT THE LAKE 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 R RANCH AT THE LAKE’s next Consumer Confidence Report due?
- R RANCH AT THE LAKE’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does R RANCH AT THE LAKE have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 open health-based violation for R RANCH AT THE LAKE, alongside 1 other open item.
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
HANKES, BRANDON
707-252-0140
NAPA, CA 94558