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Public water system · CA5603301

Active

Brandeis Bardin Institute

At a glance

Brandeis Bardin Institute (PWSID CA5603301) is an active community water system in Ventura County, California. It reports serving 665 people through 50 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in July 2024.

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

Population served

665

Service connections

50

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDCA5603301
System typeCommunity water system
Activity statusActive
Population served665
Service connections50
Primary water sourcePurchased surface water
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountyVentura County

How does Brandeis Bardin Institute compare with other water systems in Ventura County?

By EPA's size categories, Brandeis Bardin Institute is a small system (501 to 3,300 people). Ventura County has 95 active public water systems. Its population served is well below the county average of 9,293 people per system, and accounts for less than 0.1% of the 882,799 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 Brandeis Bardin Institute 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 Brandeis Bardin Institute?

EPA lists Brandeis Bardin Institute 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. 59 of the 95 active systems in Ventura County (62%) are also privately owned.

Does Brandeis Bardin Institute have drinking water violations?

EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in July 2024. The violations listed here began between June 1995 and July 2024. By type: 2 contaminant level above the legal limit, 2 monitoring and reporting, 1 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 5 as resolved and 1 as addressed. 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. Addressed means the violation is not resolved or archived and is covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2024-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoAddressed
2023-11-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2003-03-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1998-03-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1996-07-01Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26Total coliform bacteria (TCR)code 3100NoResolved
1995-06-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 6 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.

Brandeis Bardin Institute: frequently asked questions

Who runs Brandeis Bardin Institute?

Brandeis Bardin Institute (PWSID CA5603301) is a community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Brandeis Bardin Institute serve?

Brandeis Bardin Institute reports serving 665 people through 50 service connections in Ventura County, California.

Where does Brandeis Bardin Institute 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 Brandeis Bardin Institute have any drinking water violations?

EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in July 2024. 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 Brandeis Bardin Institute'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 6 violations for this system; 2 are health-based, and the most recent began in July 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.

Where can I find Brandeis Bardin Institute's water quality report?

As a community water system, Brandeis Bardin Institute 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 Ventura County

Water systemCountyPopulation servedTypeSource
Oxnard Water DeptVentura200,232CommunityPurchased surface water
Ventura Water DepartmentVentura113,500CommunitySurface water
Ventura Wwd No. 8 - Simi ValleyVentura94,738CommunityPurchased surface water
Cal American Water CoVentura66,809CommunityPurchased surface water
City of Thousand Oaks Water DepartmentVentura53,157CommunityPurchased surface water
Camarillo Water DeptVentura46,824CommunityPurchased 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, “Brandeis Bardin Institute, PWSID CA5603301, California”, https://aquacensus.com/water-systems/california/brandeis-bardin-institute-ca5603301 (data as of October 1, 2026).