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Public water system · WA5354061

Active

Merwin Village/Park Ppl Co

At a glance

Merwin Village/Park Ppl Co (PWSID WA5354061) is an active community water system in Cowlitz County, Washington. It reports serving 92 people through 24 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 January 2017.

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

Population served

92

Service connections

24

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWA5354061
System typeCommunity water system
Activity statusActive
Population served92
Service connections24
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWA state drinking water program
City served—
StateWashington
ZIP—
CountyCowlitz County

How does Merwin Village/Park Ppl Co compare with other water systems in Cowlitz County?

By EPA's size categories, Merwin Village/Park Ppl Co 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 less than 0.1% 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 Merwin Village/Park Ppl 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. 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 Merwin Village/Park Ppl Co?

EPA lists Merwin Village/Park Ppl Co 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 Merwin Village/Park Ppl Co have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2017. The violations listed here began between January 2017 and January 2017. By type: 12 monitoring and reporting. The contaminants or rules involved are Antimony, Cadmium, Arsenic and Selenium. 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
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Antimonycode 1074NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Cadmiumcode 1015NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Seleniumcode 1045NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Nickelcode 1036NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Thalliumcode 1085NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Bariumcode 1010NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Chromiumcode 1020NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Mercurycode 1035NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Berylliumcode 1075NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Fluoridecode 1025NoResolved

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.

Merwin Village/Park Ppl Co: frequently asked questions

Who runs Merwin Village/Park Ppl Co?

Merwin Village/Park Ppl Co (PWSID WA5354061) is a community water system privately owned. It is regulated by the WA state drinking water program.

How many people does Merwin Village/Park Ppl Co serve?

Merwin Village/Park Ppl Co reports serving 92 people through 24 service connections in Cowlitz County, Washington.

Where does Merwin Village/Park Ppl 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 Merwin Village/Park Ppl Co 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 January 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 Merwin Village/Park Ppl 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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the WA state drinking water program.

Where can I find Merwin Village/Park Ppl Co's water quality report?

As a community water system, Merwin Village/Park Ppl 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 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, “Merwin Village/Park Ppl Co, PWSID WA5354061, Washington”, https://aquacensus.com/water-systems/washington/merwin-village-park-ppl-co-wa5354061 (data as of October 1, 2026).