Public water system · CA5602108

Active

Garden Acres Mutual Water Co

At a glance

Garden Acres Mutual Water Co (PWSID CA5602108) is an active community water system in Ventura County, California. It reports serving 1,335 people through 140 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 11 violations for this system; 4 are health-based, and the most recent began in October 2017.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

1,335

Service connections

140

Primary source

Groundwater

System type

CWS

Community water system

System record

PWSIDCA5602108

System typeCommunity water system

Activity statusActive

Population served1,335

Service connections140

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyCA state drinking water program

City served—

StateCalifornia

ZIP—

CountyVentura County

How does Garden Acres Mutual Water Co compare with other water systems in Ventura County?

By EPA's size categories, Garden Acres Mutual Water Co 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 0.2% 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 Garden Acres Mutual Water Co 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 Garden Acres Mutual Water Co?

EPA lists Garden Acres Mutual Water Co 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 Garden Acres Mutual Water Co have drinking water violations?

EPA's records list 11 violations for this system; 4 are health-based, and the most recent began in October 2017. The violations listed here began between June 1979 and October 2017. By type: 5 monitoring and reporting, 4 contaminant level above the legal limit and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Selenium (3 of them). EPA lists 7 as archived and 4 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.

Began	Violation	Contaminant or rule	Health-based	Status
2017-10-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2007-12-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
1996-11-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
1994-06-01	Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51	Lead and Copper Rulecode 5000	No	Resolved
1986-02-21	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Seleniumcode 1045	Yes	Archived
1984-09-01	Public notice, recordkeeping or otherNotification, Public · code 06	Not reported	No	Archived
1984-07-01	Public notice, recordkeeping or otherNotification, Public · code 06	Not reported	No	Archived
1981-10-01	Monitoring and reportingMonitoring, Regular · code 03	Gross alpha (excluding radon and uranium)code 4000	No	Archived
1980-10-30	Monitoring and reportingMonitoring, Regular · code 03	Gross alpha (excluding radon and uranium)code 4000	No	Archived
1980-02-28	Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01	Seleniumcode 1045	Yes	Archived
1979-06-01	Monitoring and reportingMonitoring, Check/Repeat/Confirmation · code 04	Seleniumcode 1045	No	Archived

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.

Garden Acres Mutual Water Co: frequently asked questions

Who runs Garden Acres Mutual Water Co?

Garden Acres Mutual Water Co (PWSID CA5602108) is a community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Garden Acres Mutual Water Co serve?

Garden Acres Mutual Water Co reports serving 1,335 people through 140 service connections in Ventura County, California.

Where does Garden Acres Mutual Water Co 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 Garden Acres Mutual Water Co have any drinking water violations?

EPA's records list 11 violations for this system; 4 are health-based, and the most recent began in October 2017. 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 Garden Acres Mutual Water Co'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; 4 are health-based, and the most recent began in October 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.

Where can I find Garden Acres Mutual Water Co's water quality report?

As a community water system, Garden Acres Mutual Water Co 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 system	County	Population served	Type	Source
Oxnard Water Dept	Ventura	200,232	Community	Purchased surface water
Ventura Water Department	Ventura	113,500	Community	Surface water
Ventura Wwd No. 8 - Simi Valley	Ventura	94,738	Community	Purchased surface water
Cal American Water Co	Ventura	66,809	Community	Purchased surface water
City of Thousand Oaks Water Department	Ventura	53,157	Community	Purchased surface water
Camarillo Water Dept	Ventura	46,824	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, “Garden Acres Mutual Water Co, PWSID CA5602108, California”, https://aquacensus.com/water-systems/california/garden-acres-mutual-water-co-ca5602108 (data as of October 1, 2026).