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Public water system · CA3400206

Active

5 Bros (Formerly Brannan'S Island Marin)

At a glance

5 Bros (Formerly Brannan'S Island Marin) (PWSID CA3400206) is an active transient non-community water system in Sacramento County, California. It reports serving 100 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 10 violations for this system; 5 are health-based, and the most recent began in February 2025.

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

Population served

100

Service connections

3

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCA3400206
System typeTransient non-community water system
Activity statusActive
Population served100
Service connections3
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountySacramento County

How does 5 Bros (Formerly Brannan'S Island Marin) compare with other water systems in Sacramento County?

By EPA's size categories, 5 Bros (Formerly Brannan'S Island Marin) is a very small system (500 people or fewer). Sacramento County has 164 active public water systems. Its population served is well below the county average of 10,325 people per system, and accounts for less than 0.1% of the 1,693,284 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 5 Bros (Formerly Brannan'S Island Marin) is about 31% below 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 5 Bros (Formerly Brannan'S Island Marin)?

EPA lists 5 Bros (Formerly Brannan'S Island Marin) 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. 115 of the 164 active systems in Sacramento County (70%) are also privately owned.

Does 5 Bros (Formerly Brannan'S Island Marin) have drinking water violations?

EPA's records list 10 violations for this system; 5 are health-based, and the most recent began in February 2025. The violations listed here began between May 2008 and February 2025. By type: 5 contaminant level above the legal limit, 4 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (9 of them). EPA lists 10 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

BeganViolationContaminant or ruleHealth-basedStatus
2025-02-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2011-03-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved
2010-11-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved
2010-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2010-06-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2009-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2009-02-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2008-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2008-06-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved
2008-05-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 10 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.

5 Bros (Formerly Brannan'S Island Marin): frequently asked questions

Who runs 5 Bros (Formerly Brannan'S Island Marin)?

5 Bros (Formerly Brannan'S Island Marin) (PWSID CA3400206) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.

How many people does 5 Bros (Formerly Brannan'S Island Marin) serve?

5 Bros (Formerly Brannan'S Island Marin) reports serving 100 people through 3 service connections in Sacramento County, California.

Where does 5 Bros (Formerly Brannan'S Island Marin) 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 5 Bros (Formerly Brannan'S Island Marin) have any drinking water violations?

EPA's records list 10 violations for this system; 5 are health-based, and the most recent began in February 2025. 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 5 Bros (Formerly Brannan'S Island Marin)'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 10 violations for this system; 5 are health-based, and the most recent began in February 2025. For current results, consult EPA ECHO, or the CA state drinking water program.

Where can I find 5 Bros (Formerly Brannan'S Island Marin)'s water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. 5 Bros (Formerly Brannan'S Island Marin) 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 Sacramento County

Water systemCountyPopulation servedTypeSource
City of Sacramento MainSacramento527,979CommunitySurface water
Sacramento Suburban Water DistrictSacramento194,444CommunityPurchased surface water
Scwa - Laguna/VineyardSacramento184,896CommunitySurface water
Folsom, City of - MainSacramento80,969CommunitySurface water
Citrus Heights Water DistrictSacramento67,818CommunityPurchased surface water
Cal Am - Suburban RosemontSacramento54,793CommunityPurchased 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, “5 Bros (Formerly Brannan'S Island Marin), PWSID CA3400206, California”, https://aquacensus.com/water-systems/california/5-bros-formerly-brannan-s-island-marin-ca3400206 (data as of October 1, 2026).