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Public water system · CA5610009

Active

Port Hueneme City Water Dept

At a glance

Port Hueneme City Water Dept (PWSID CA5610009) is an active community water system in Ventura County, California. It reports serving 21,407 people through 6,563 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 8 violations for this system; none is health-based, and the most recent began in March 2024.

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

Population served

21,407

Service connections

6,563

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDCA5610009
System typeCommunity water system
Activity statusActive
Population served21,407
Service connections6,563
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountyVentura County

How does Port Hueneme City Water Dept compare with other water systems in Ventura County?

By EPA's size categories, Port Hueneme City Water Dept is a large system (10,001 to 100,000 people). Ventura County has 95 active public water systems. Its population served is about 130% above the county average of 9,293 people per system, and accounts for 2.4% 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 Port Hueneme City Water Dept is about 3.2 times 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 Port Hueneme City Water Dept?

EPA lists Port Hueneme City Water Dept 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. 29 of the 95 active systems in Ventura County (31%) are also owned by a local government.

Does Port Hueneme City Water Dept have drinking water violations?

EPA's records list 8 violations for this system; none is health-based, and the most recent began in March 2024. The violations listed here began between June 1988 and March 2024. By type: 6 monitoring and reporting, 1 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 5 as archived and 3 as resolved. 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. 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
2024-03-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2009-12-01Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26Total coliform bacteria (TCR)code 3100NoResolved
1994-01-01Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26Total coliform bacteria (TCR)code 3100NoResolved
1988-06-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoArchived
1988-06-01Monitoring and reportingMonitoring, Regular · code 03Seleniumcode 1045NoArchived
1988-06-01Public notice, recordkeeping or otherNotification, Public · code 06Not reportedNoArchived
1988-06-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoArchived
1988-06-01Monitoring and reportingMonitoring, Regular · code 03Fluoridecode 1025NoArchived

All 8 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.

Port Hueneme City Water Dept: frequently asked questions

Who runs Port Hueneme City Water Dept?

Port Hueneme City Water Dept (PWSID CA5610009) is a community water system owned by a local government. It is regulated by the CA state drinking water program.

How many people does Port Hueneme City Water Dept serve?

Port Hueneme City Water Dept reports serving 21,407 people through 6,563 service connections in Ventura County, California.

Where does Port Hueneme City Water Dept 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 Port Hueneme City Water Dept have any drinking water violations?

EPA's records list 8 violations for this system; none is health-based, and the most recent began in March 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 Port Hueneme City Water Dept'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 8 violations for this system; none is health-based, and the most recent began in March 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 Port Hueneme City Water Dept's water quality report?

As a community water system, Port Hueneme City Water Dept 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, “Port Hueneme City Water Dept, PWSID CA5610009, California”, https://aquacensus.com/water-systems/california/port-hueneme-city-water-dept-ca5610009 (data as of October 1, 2026).