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Public water system · CA4500247

Active

West Cottonwood Apartments

At a glance

West Cottonwood Apartments (PWSID CA4500247) is an active community water system in Shasta County, California. It reports serving 90 people through 17 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in August 2025.

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

Population served

90

Service connections

17

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDCA4500247
System typeCommunity water system
Activity statusActive
Population served90
Service connections17
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountyShasta County

How does West Cottonwood Apartments compare with other water systems in Shasta County?

By EPA's size categories, West Cottonwood Apartments is a very small system (500 people or fewer). Shasta County has 174 active public water systems. Its population served is well below the county average of 1,208 people per system, and accounts for less than 0.1% of the 210,209 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 West Cottonwood Apartments 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 West Cottonwood Apartments?

EPA lists West Cottonwood Apartments 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. 117 of the 174 active systems in Shasta County (67%) are also privately owned.

Does West Cottonwood Apartments have drinking water violations?

EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in August 2025. The violations listed here began between June 2022 and August 2025. By type: 6 monitoring, 1 required treatment not met and 1 reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (6 of them). EPA lists 6 as resolved and 2 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
2025-08-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2024-10-17Required treatment not metLSL Inventory · code 2ELead and Copper Rule Revisionscode 5200YesAddressed
2024-10-17ReportingLSL Reporting · code 4GLead and Copper Rule Revisionscode 5200NoAddressed
2024-08-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2024-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2023-12-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2023-11-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2022-06-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved

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.

West Cottonwood Apartments: frequently asked questions

Who runs West Cottonwood Apartments?

West Cottonwood Apartments (PWSID CA4500247) is a community water system privately owned. It is regulated by the CA state drinking water program.

How many people does West Cottonwood Apartments serve?

West Cottonwood Apartments reports serving 90 people through 17 service connections in Shasta County, California.

Where does West Cottonwood Apartments 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 West Cottonwood Apartments have any drinking water violations?

EPA's records list 8 violations for this system; 1 is health-based, and the most recent began in August 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 West Cottonwood Apartments' 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; 1 is health-based, and the most recent began in August 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.

Where can I find West Cottonwood Apartments' water quality report?

As a community water system, West Cottonwood Apartments 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 Shasta County

Water systemCountyPopulation servedTypeSource
City of ReddingShasta89,628CommunitySurface water
Bella Vista Water DistrictShasta18,612CommunitySurface water
City of AndersonShasta11,147CommunityGroundwater
City of Shasta LakeShasta10,657CommunitySurface water
Shasta District FairShasta10,200Transient non-communityGroundwater
Clear Creek Csd-AndersonShasta8,900CommunitySurface 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, “West Cottonwood Apartments, PWSID CA4500247, California”, https://aquacensus.com/water-systems/california/west-cottonwood-apartments-ca4500247 (data as of October 1, 2026).