Public water system · CA0701706
ActiveLos Vaqueros Marina Bldg
At a glance
Los Vaqueros Marina Bldg (PWSID CA0701706) is an active transient non-community water system in Contra Costa County, California. It reports serving 180 people through 1 service connection. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
180
Service connections
1
Primary source
SW
Surface water
System type
TNCWS
Transient non-community water system
System record
How does Los Vaqueros Marina Bldg compare with other water systems in Contra Costa County?
By EPA's size categories, Los Vaqueros Marina Bldg is a very small system (500 people or fewer). Contra Costa County has 84 active public water systems. Its population served is well below the county average of 6,726 people per system, and accounts for less than 0.1% of the 564,952 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 Los Vaqueros Marina Bldg is about 25% 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 609 California systems (8.1%) list surface water as their primary source.
Who owns and regulates Los Vaqueros Marina Bldg?
EPA lists Los Vaqueros Marina Bldg as owned by a local 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. 25 of the 84 active systems in Contra Costa County (30%) are also owned by a local government.
Does Los Vaqueros Marina Bldg 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 Los Vaqueros Marina Bldg. For the latest compliance status, check EPA ECHO for current compliance history.
Los Vaqueros Marina Bldg: frequently asked questions
Who runs Los Vaqueros Marina Bldg?
Los Vaqueros Marina Bldg (PWSID CA0701706) is a transient non-community water system owned by a local government. It is regulated by the CA state drinking water program.
How many people does Los Vaqueros Marina Bldg serve?
Los Vaqueros Marina Bldg reports serving 180 people through 1 service connection in Contra Costa County, California.
Where does Los Vaqueros Marina Bldg get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Los Vaqueros Marina Bldg have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Los Vaqueros Marina Bldg'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 Los Vaqueros Marina Bldg's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Los Vaqueros Marina Bldg 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 Contra Costa County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Contra Costa Water District | Contra Costa | 198,000 | Community | Surface water |
| City of Antioch | Contra Costa | 115,074 | Community | Surface water |
| Brentwood | Contra Costa | 64,513 | Community | Purchased surface water |
| City of Pittsburg | Contra Costa | 62,500 | Community | Purchased surface water |
| Diablo Water District | Contra Costa | 43,357 | Community | Purchased surface water |
| City of Martinez | Contra Costa | 30,997 | Community | Purchased 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, “Los Vaqueros Marina Bldg, PWSID CA0701706, California”, https://aquacensus.com/water-systems/california/los-vaqueros-marina-bldg-ca0701706 (data as of October 1, 2026).