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Public water system · CA2801070

Active

Beringer Vineyards

At a glance

Beringer Vineyards (PWSID CA2801070) is an active non-transient non-community water system in Napa County, California. It reports serving 300 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 2022.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

300

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDCA2801070
System typeNon-transient non-community water system
Activity statusActive
Population served300
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountyNapa County

How does Beringer Vineyards compare with other water systems in Napa County?

By EPA's size categories, Beringer Vineyards is a very small system (500 people or fewer). Napa County has 188 active public water systems. Its population served is about 65% below the county average of 861 people per system, and accounts for 0.2% of the 161,950 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Beringer Vineyards is about 30% below that figure.

What does “non-transient non-community water system” mean?

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. California has 1,466 active non-transient non-community water systems, 20% of the state's 7,479 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,179 California systems (83%) list groundwater as their primary source.

Who owns and regulates Beringer Vineyards?

EPA lists Beringer Vineyards as privately owned. The CA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 168 of the 188 active systems in Napa County (89%) are also privately owned.

Does Beringer Vineyards have drinking water violations?

EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 2022. The violations listed here began between October 1997 and October 2022. By type: 3 monitoring and reporting and 2 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 5 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

BeganViolationContaminant or ruleHealth-basedStatus
2022-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2022-07-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2006-02-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1997-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 5 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Beringer Vineyards: frequently asked questions

Who runs Beringer Vineyards?

Beringer Vineyards (PWSID CA2801070) is a non-transient non-community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Beringer Vineyards serve?

Beringer Vineyards reports serving 300 people through 1 service connection in Napa County, California.

Where does Beringer Vineyards get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Beringer Vineyards have any drinking water violations?

EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 2022. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Beringer Vineyards' water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 2022. For current results, consult EPA ECHO, or the CA state drinking water program.

Where can I find Beringer Vineyards' water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Beringer Vineyards is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

Other water systems in Napa County

Water systemCountyPopulation servedTypeSource
Napa, City ofNapa84,804CommunitySurface water
American Canyon, City ofNapa21,437CommunitySurface water
Phelps VineyardsNapa19,412Non-transient non-communityGroundwater
Calistoga, City ofNapa5,610CommunitySurface water
St. Helena, City ofNapa5,386CommunitySurface water
Town of YountvilleNapa2,787CommunityPurchased surface water

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Beringer Vineyards, PWSID CA2801070, California”, https://aquacensus.com/water-systems/california/beringer-vineyards-ca2801070 (data as of October 1, 2026).