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Public water system · CA4200971

Active

Petros Winery

At a glance

Petros Winery (PWSID CA4200971) is an active transient non-community water system in Santa Barbara County, California. It reports serving 50 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.

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

Population served

50

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCA4200971
System typeTransient non-community water system
Activity statusActive
Population served50
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountySanta Barbara County

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

By EPA's size categories, Petros 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 Petros Winery is about 65% below 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 Petros Winery?

EPA lists Petros 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 Petros Winery have drinking water violations?

No SDWA violations on record.

EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Petros Winery. For the latest compliance status, check EPA ECHO for current compliance history.

Petros Winery: frequently asked questions

Who runs Petros Winery?

Petros Winery (PWSID CA4200971) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Petros Winery serve?

Petros Winery reports serving 50 people through 1 service connection in Santa Barbara County, California.

Where does Petros 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 Petros Winery have any drinking water violations?

EPA's Safe Drinking Water Act records list no violations for this system.

Is Petros 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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the CA state drinking water program.

Where can I find Petros Winery's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Petros 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, “Petros Winery, PWSID CA4200971, California”, https://aquacensus.com/water-systems/california/petros-winery-ca4200971 (data as of October 1, 2026).