Public water system · CA4210021
ActiveGolden State Water Company - Tanglewood
At a glance
Golden State Water Company - Tanglewood (PWSID CA4210021) is an active community water system in Santa Barbara County, California. It reports serving 1,947 people through 450 service connections. Its primary water source is purchased surface water, 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
1,947
Service connections
450
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Golden State Water Company - Tanglewood compare with other water systems in Santa Barbara County?
By EPA's size categories, Golden State Water Company - Tanglewood is a small system (501 to 3,300 people). Santa Barbara County has 150 active public water systems. Its population served is about 40% below the county average of 3,255 people per system, and accounts for 0.4% 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 - Tanglewood 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 506 California systems (6.8%) list purchased surface water as their primary source.
Who owns and regulates Golden State Water Company - Tanglewood?
EPA lists Golden State Water Company - Tanglewood 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 - Tanglewood 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 - Tanglewood. For the latest compliance status, check EPA ECHO for current compliance history.
Golden State Water Company - Tanglewood: frequently asked questions
Who runs Golden State Water Company - Tanglewood?
Golden State Water Company - Tanglewood (PWSID CA4210021) 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 - Tanglewood serve?
Golden State Water Company - Tanglewood reports serving 1,947 people through 450 service connections in Santa Barbara County, California.
Where does Golden State Water Company - Tanglewood get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Golden State Water Company - Tanglewood have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Golden State Water Company - Tanglewood'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 - Tanglewood's water quality report?
As a community water system, Golden State Water Company - Tanglewood 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 system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Santa Maria Utilities Department | Santa Barbara | 109,477 | Community | Purchased surface water |
| City of Santa Barbara Water Department | Santa Barbara | 99,323 | Community | Surface water |
| Goleta Water District | Santa Barbara | 84,462 | Community | Surface water |
| Lompoc-City Water Utility Div | Santa Barbara | 40,473 | Community | Surface water |
| Golden State Water Company - Orcutt | Santa Barbara | 34,102 | Community | Purchased surface water |
| Carpinteria Valley Water District | Santa Barbara | 15,996 | Community | Purchased surface water |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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 - Tanglewood, PWSID CA4210021, California”, https://aquacensus.com/water-systems/california/golden-state-water-company-tanglewood-ca4210021 (data as of October 1, 2026).