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Public water system · CA4200973

Active

Folded Hills Winery

At a glance

Folded Hills Winery (PWSID CA4200973) is an active transient non-community water system in Santa Barbara County, California. It reports serving 235 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in December 2023.

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

Population served

235

Service connections

2

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCA4200973
System typeTransient non-community water system
Activity statusActive
Population served235
Service connections2
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountySanta Barbara County

How does Folded Hills Winery compare with other water systems in Santa Barbara County?

By EPA's size categories, Folded Hills Winery is a very small system (500 people or fewer). Santa Barbara County has 150 active public water systems. Its population served is well below the county average of 3,255 people per system, and accounts for less than 0.1% of the 488,317 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Folded Hills Winery is about 63% above that figure.

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

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. California has 3,016 active transient non-community water systems, 40% 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 Folded Hills Winery?

EPA lists Folded Hills Winery 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. 121 of the 150 active systems in Santa Barbara County (81%) are also privately owned.

Does Folded Hills Winery have drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in December 2023. By type: 1 monitoring and reporting. The contaminant or rule involved is Nitrite. EPA lists 1 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
2023-12-31Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved

The one violation in EPA's records.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.

Folded Hills Winery: frequently asked questions

Who runs Folded Hills Winery?

Folded Hills Winery (PWSID CA4200973) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Folded Hills Winery serve?

Folded Hills Winery reports serving 235 people through 2 service connections in Santa Barbara County, California.

Where does Folded Hills Winery 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 Folded Hills Winery have any drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in December 2023. 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 Folded Hills Winery's 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 one violation for this system; it is not health-based, and the most recent began in December 2023. For current results, consult EPA ECHO, or the CA state drinking water program.

Where can I find Folded Hills Winery's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Folded Hills Winery is a 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 Santa Barbara County

Water systemCountyPopulation servedTypeSource
City of Santa Maria Utilities DepartmentSanta Barbara109,477CommunityPurchased surface water
City of Santa Barbara Water DepartmentSanta Barbara99,323CommunitySurface water
Goleta Water DistrictSanta Barbara84,462CommunitySurface water
Lompoc-City Water Utility DivSanta Barbara40,473CommunitySurface water
Golden State Water Company - OrcuttSanta Barbara34,102CommunityPurchased surface water
Carpinteria Valley Water DistrictSanta Barbara15,996CommunityPurchased 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, “Folded Hills Winery, PWSID CA4200973, California”, https://aquacensus.com/water-systems/california/folded-hills-winery-ca4200973 (data as of October 1, 2026).