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Public water system · CA2110302

Active

Csp - Angel Island St Park

At a glance

Csp - Angel Island St Park (PWSID CA2110302) is an active transient non-community water system in Marin County, California. It reports serving 1,622 people through 20 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's Safe Drinking Water Act records list no violations for this system.

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

Population served

1,622

Service connections

20

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCA2110302
System typeTransient non-community water system
Activity statusActive
Population served1,622
Service connections20
Primary water sourceGroundwater
Owner typeState government
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountyMarin County

How does Csp - Angel Island St Park compare with other water systems in Marin County?

By EPA's size categories, Csp - Angel Island St Park is a small system (501 to 3,300 people). Marin County has 46 active public water systems, and Csp - Angel Island St Park is the 6th-largest of them by population served. Its population served is well below the county average of 6,203 people per system, and accounts for 0.6% of the 285,353 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 Csp - Angel Island St Park is about 11 times 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 Csp - Angel Island St Park?

EPA lists Csp - Angel Island St Park as owned by a state government. 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. 6 of the 46 active systems in Marin County (13%) are also owned by a state government.

Does Csp - Angel Island St Park 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 Csp - Angel Island St Park. For the latest compliance status, check EPA ECHO for current compliance history.

Csp - Angel Island St Park: frequently asked questions

Who runs Csp - Angel Island St Park?

Csp - Angel Island St Park (PWSID CA2110302) is a transient non-community water system owned by a state government. It is regulated by the CA state drinking water program.

How many people does Csp - Angel Island St Park serve?

Csp - Angel Island St Park reports serving 1,622 people through 20 service connections in Marin County, California.

Where does Csp - Angel Island St Park 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 Csp - Angel Island St Park have any drinking water violations?

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

Is Csp - Angel Island St Park'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 Csp - Angel Island St Park's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Csp - Angel Island St Park 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 Marin County

Water systemCountyPopulation servedTypeSource
Marin Municipal Water DistrictMarin186,895CommunitySurface water
North Marin Water DistrictMarin61,691CommunitySurface water
Nps GgnraMarin18,447CommunityPurchased surface water
Bolinas Community PUDMarin2,483CommunitySurface water
North Marin Wd - Pt. ReyesMarin1,841CommunityGroundwater
Nps Prns - BeachesMarin1,560CommunityGroundwater

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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, “Csp - Angel Island St Park, PWSID CA2110302, California”, https://aquacensus.com/water-systems/california/csp-angel-island-st-park-ca2110302 (data as of October 1, 2026).