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Community Water System · PWS WA5354061

Merwin Village/Park Ppl Co

Woodland, Washington 98674 - drinking water served from groundwater sources to 92 people, tracked in EPA SDWIS and UCMR5.

92
People served
218
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 218 drinking-water violations at Merwin Village/Park Ppl Co - above the Washington per-system average.

218
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
92
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Merwin Village/Park Ppl Co

Merwin Village/Park Ppl Co is a private-owned community water system that delivers drinking water to 92 residents in Woodland, Washington (Cowlitz County) through 24 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 218 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 215 monitoring and reporting violations are on file. The most recent violation on record dates to 2017.

The most frequently cited contaminant at this system is Barium, recorded in 8 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Washington, EPA tracks 4,557 public water systems serving 9,736,844 people, with 314,648 cumulative violations and 20,590 health-based violations on record. About 92% of systems in the state carry at least one violation, and state-wide the average per system is 69 violations. Statewide, 98 of 247 UCMR5-tested systems have reported PFAS detections (39.7%).

Merwin Village/Park Ppl Co's 218 violations sit above the Washington average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
92
Total Violations
218
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
24
County
Cowlitz
School/Daycare
No
MCL Violations
0
Monitoring Violations
215
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Barium MR 8 2017
Chromium MR 8 2017
CYANIDE MR 8 2017
Mercury MR 8 2017
Nickel MR 8 2017
Antimony, Total MR 8 2017
Beryllium, Total MR 8 2017
Thallium, Total MR 8 2017
Fluoride MR 8 2017
Cadmium MR 8 2017
Arsenic MR 8 2017
Selenium MR 8 2017
Endrin MR 6 2005
BHC-GAMMA MR 6 2005
Methoxychlor MR 6 2005
Toxaphene MR 6 2005
Di(2-ethylhexyl) adipate MR 6 2005
Di(2-ethylhexyl) phthalate MR 6 2005
Hexachlorocyclopentadiene MR 6 2005
Atrazine MR 6 2005
LASSO MR 6 2005
Heptachlor epoxide MR 6 2005
HEXACHLOROBENZENE MR 6 2005
Heptachlor MR 6 2005
Simazine MR 6 2005
Benzo(a)pyrene MR 6 2005
Chlordane MR 6 2005
Coliform (TCR) MR 5 1996
Pentachlorophenol MR 2 2005
DICHLOROMETHANE MR 1 2004

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Merwin Village/Park Ppl Co.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID WA5354061 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Washington Drinking Water Authority

Washington State Department of Health, Office of Drinking Water is the primacy agency that licenses and inspects Merwin Village/Park Ppl Co under EPA-delegated authority.

Open WA regulator portal

Source: Washington State Department of Health, Office of Drinking Water

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2017 Barium MR 8 SDWIS / WA5354061 / 1010
2017 Chromium MR 8 SDWIS / WA5354061 / 1020
2017 CYANIDE MR 8 SDWIS / WA5354061 / 1024
2017 Mercury MR 8 SDWIS / WA5354061 / 1035
2017 Nickel MR 8 SDWIS / WA5354061 / 1036
2017 Antimony, Total MR 8 SDWIS / WA5354061 / 1074
2017 Beryllium, Total MR 8 SDWIS / WA5354061 / 1075
2017 Thallium, Total MR 8 SDWIS / WA5354061 / 1085
2017 Fluoride MR 8 SDWIS / WA5354061 / 1025
2017 Cadmium MR 8 SDWIS / WA5354061 / 1015
2017 Arsenic MR 8 SDWIS / WA5354061 / 1005
2017 Selenium MR 8 SDWIS / WA5354061 / 1045
2017 Nitrite MR 1 SDWIS / WA5354061 / 1041
2005 Endrin MR 6 SDWIS / WA5354061 / 2005
2005 BHC-GAMMA MR 6 SDWIS / WA5354061 / 2010

How Merwin Village/Park Ppl Co Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Merwin Village/Park Ppl Co Washington avg Federal benchmark
Total violations 218 69 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 4.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 39.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 92 2,137 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 4,557 regulated public water systems in Washington.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Merwin Village/Park Ppl Co water safe to drink? ▼
Merwin Village/Park Ppl Co (PWS ID: WA5354061) has 218 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 92 people using Groundwater sources.
How many people does Merwin Village/Park Ppl Co serve? ▼
Merwin Village/Park Ppl Co serves 92 people in Woodland, Washington. It is a Private-owned system using Groundwater water sources with 24 service connections.
What type of violations does Merwin Village/Park Ppl Co have? ▼
Merwin Village/Park Ppl Co has 218 total violations: 0 health-based violations (MCL exceedances or treatment failures), 215 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Merwin Village/Park Ppl Co water? ▼
No PFAS testing data is available for Merwin Village/Park Ppl Co under the EPA's UCMR5 monitoring program.
What water source does Merwin Village/Park Ppl Co use? ▼
Merwin Village/Park Ppl Co uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.