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Public water system · WA5301484

Active

Peterson Farms

At a glance

Peterson Farms (PWSID WA5301484) is an active community water system in Cowlitz County, Washington. It reports serving 290 people through 40 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2023.

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

Population served

290

Service connections

40

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWA5301484
System typeCommunity water system
Activity statusActive
Population served290
Service connections40
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountyCowlitz County

How does Peterson Farms compare with other water systems in Cowlitz County?

By EPA's size categories, Peterson Farms is a very small system (500 people or fewer). Cowlitz County has 77 active public water systems. Its population served is well below the county average of 1,628 people per system, and accounts for 0.2% of the 125,351 people reported by systems filed under the county. Across Washington, the 4,705 active systems average 2,172 people each. Nationally, the average active community water system reports serving 6,703 people, so Peterson Farms 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. Washington has 2,392 active community water systems, 51% of the state's 4,705 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 4,370 Washington systems (93%) list groundwater as their primary source.

Who owns and regulates Peterson Farms?

EPA lists Peterson Farms as privately owned. The WA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 58 of the 77 active systems in Cowlitz County (75%) are also privately owned.

Does Peterson Farms have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2023. The violations listed here began between April 2023 and April 2023. By type: 12 monitoring and reporting. The contaminants or rules involved are Tetrachloroethylene, Ethylbenzene, 1,2-Dichloroethane and Trichloroethylene. EPA lists 12 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
2023-04-01Monitoring and reportingMonitoring, Regular · code 03Tetrachloroethylenecode 2987NoResolved
2023-04-01Monitoring and reportingMonitoring, Regular · code 03Ethylbenzenecode 2992NoResolved
2023-04-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloroethanecode 2980NoResolved
2023-04-01Monitoring and reportingMonitoring, Regular · code 03Trichloroethylenecode 2984NoResolved
2023-04-01Monitoring and reportingMonitoring, Regular · code 03Benzenecode 2990NoResolved
2023-04-01Monitoring and reportingMonitoring, Regular · code 03Toluenecode 2991NoResolved
2023-04-01Monitoring and reportingMonitoring, Regular · code 03cis-1,2-Dichloroethylenecode 2380NoResolved
2023-04-01Monitoring and reportingMonitoring, Regular · code 03Vinyl chloridecode 2976NoResolved
2023-04-01Monitoring and reportingMonitoring, Regular · code 031,1,1-Trichloroethanecode 2981NoResolved
2023-04-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloropropanecode 2983NoResolved
2023-04-01Monitoring and reportingMonitoring, Regular · code 03Chlorobenzenecode 2989NoResolved
2023-04-01Monitoring and reportingMonitoring, Regular · code 03Styrenecode 2996NoResolved

The 12 most recent 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.

Peterson Farms: frequently asked questions

Who runs Peterson Farms?

Peterson Farms (PWSID WA5301484) is a community water system privately owned. It is regulated by the WA state drinking water program.

How many people does Peterson Farms serve?

Peterson Farms reports serving 290 people through 40 service connections in Cowlitz County, Washington.

Where does Peterson Farms 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 Peterson Farms have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2023. 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 Peterson Farms' 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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the WA state drinking water program.

Where can I find Peterson Farms' water quality report?

As a community water system, Peterson Farms 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 Cowlitz County

Water systemCountyPopulation servedTypeSource
Longview Water DepartmentCowlitz57,617CommunityGroundwater
Kelso City ofCowlitz15,775CommunityGroundwater under influence of surface water
Beacon Hill Water & Sewer DistrictCowlitz11,969CommunityPurchased groundwater
Woodland City ofCowlitz10,640CommunityGroundwater under influence of surface water
Kalama City ofCowlitz8,020CommunityGroundwater under influence of surface water
Castle Rock Municipal WaterCowlitz4,367CommunitySurface 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, “Peterson Farms, PWSID WA5301484, Washington”, https://aquacensus.com/water-systems/washington/peterson-farms-wa5301484 (data as of October 1, 2026).