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Public water system · CA4210022

Active

Golden State Water Company - Lake Marie

At a glance

Golden State Water Company - Lake Marie (PWSID CA4210022) is an active community water system in Santa Barbara County, California. It reports serving 545 people through 207 service connections. 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

545

Service connections

207

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDCA4210022
System typeCommunity water system
Activity statusActive
Population served545
Service connections207
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountySanta Barbara County

How does Golden State Water Company - Lake Marie compare with other water systems in Santa Barbara County?

By EPA's size categories, Golden State Water Company - Lake Marie is a small system (501 to 3,300 people). 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 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 community water system reports serving 6,703 people, so Golden State Water Company - Lake Marie is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. California has 2,997 active 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 Golden State Water Company - Lake Marie?

EPA lists Golden State Water Company - Lake Marie 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 Golden State Water Company - Lake Marie 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 Golden State Water Company - Lake Marie. For the latest compliance status, check EPA ECHO for current compliance history.

Golden State Water Company - Lake Marie: frequently asked questions

Who runs Golden State Water Company - Lake Marie?

Golden State Water Company - Lake Marie (PWSID CA4210022) is a community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Golden State Water Company - Lake Marie serve?

Golden State Water Company - Lake Marie reports serving 545 people through 207 service connections in Santa Barbara County, California.

Where does Golden State Water Company - Lake Marie 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 Golden State Water Company - Lake Marie have any drinking water violations?

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

Is Golden State Water Company - Lake Marie'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 the system's annual water quality report, EPA ECHO, or the CA state drinking water program.

Where can I find Golden State Water Company - Lake Marie's water quality report?

As a community water system, Golden State Water Company - Lake Marie must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

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, “Golden State Water Company - Lake Marie, PWSID CA4210022, California”, https://aquacensus.com/water-systems/california/golden-state-water-company-lake-marie-ca4210022 (data as of October 1, 2026).