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Public water system · CA0707608

Active

Marina Mobile Manor

At a glance

Marina Mobile Manor (PWSID CA0707608) is an active community water system in Contra Costa County, California. It reports serving 75 people through 24 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 11 violations for this system; none is health-based, and the most recent began in May 1984.

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

Population served

75

Service connections

24

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDCA0707608
System typeCommunity water system
Activity statusActive
Population served75
Service connections24
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountyContra Costa County

How does Marina Mobile Manor compare with other water systems in Contra Costa County?

By EPA's size categories, Marina Mobile Manor 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 community water system reports serving 6,703 people, so Marina Mobile Manor 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 Marina Mobile Manor?

EPA lists Marina Mobile Manor 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. 57 of the 84 active systems in Contra Costa County (68%) are also privately owned.

Does Marina Mobile Manor have drinking water violations?

EPA's records list 11 violations for this system; none is health-based, and the most recent began in May 1984. The violations listed here began between October 1980 and May 1984. By type: 9 public notice, recordkeeping or other and 2 monitoring and reporting. The contaminant or rule involved most often is Gross alpha (excluding radon and uranium) (2 of them). EPA lists 11 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
1984-05-01Public notice, recordkeeping or otherNotification, Public · code 06Not reportedNoArchived
1984-02-01Public notice, recordkeeping or otherNotification, Public · code 06Not reportedNoArchived
1984-01-01Public notice, recordkeeping or otherNotification, Public · code 06Not reportedNoArchived
1983-11-01Public notice, recordkeeping or otherNotification, Public · code 06Not reportedNoArchived
1983-10-01Public notice, recordkeeping or otherNotification, Public · code 06Not reportedNoArchived
1983-08-01Public notice, recordkeeping or otherNotification, Public · code 06Not reportedNoArchived
1983-05-01Public notice, recordkeeping or otherNotification, Public · code 06Not reportedNoArchived
1983-04-01Public notice, recordkeeping or otherNotification, Public · code 06Not reportedNoArchived
1983-02-01Public notice, recordkeeping or otherNotification, Public · code 06Not reportedNoArchived
1981-10-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoArchived
1980-10-30Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoArchived

All 11 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Marina Mobile Manor: frequently asked questions

Who runs Marina Mobile Manor?

Marina Mobile Manor (PWSID CA0707608) is a community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Marina Mobile Manor serve?

Marina Mobile Manor reports serving 75 people through 24 service connections in Contra Costa County, California.

Where does Marina Mobile Manor 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 Marina Mobile Manor have any drinking water violations?

EPA's records list 11 violations for this system; none is health-based, and the most recent began in May 1984. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Marina Mobile Manor'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 records list 11 violations for this system; none is health-based, and the most recent began in May 1984. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.

Where can I find Marina Mobile Manor's water quality report?

As a community water system, Marina Mobile Manor 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 Contra Costa County

Water systemCountyPopulation servedTypeSource
Contra Costa Water DistrictContra Costa198,000CommunitySurface water
City of AntiochContra Costa115,074CommunitySurface water
BrentwoodContra Costa64,513CommunityPurchased surface water
City of PittsburgContra Costa62,500CommunityPurchased surface water
Diablo Water DistrictContra Costa43,357CommunityPurchased surface water
City of MartinezContra Costa30,997CommunityPurchased 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, “Marina Mobile Manor, PWSID CA0707608, California”, https://aquacensus.com/water-systems/california/marina-mobile-manor-ca0707608 (data as of October 1, 2026).