PlainWater

Community Water System · PWS WA5329816

Greenwood Mobile Home Park

Westport, Washington 98595 - drinking water served from groundwater sources to 240 people, tracked in EPA SDWIS and UCMR5.

240
People served
482
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 482 drinking-water violations at Greenwood Mobile Home Park - above the Washington per-system average.

482
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
240
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Greenwood Mobile Home Park

Greenwood Mobile Home Park is a private-owned community water system that delivers drinking water to 240 residents in Westport, Washington (Grays Harbor County) through 123 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 482 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 477 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Nitrate, recorded in 30 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%).

Greenwood Mobile Home Park's 482 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
240
Total Violations
482
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
123
County
Grays Harbor
School/Daycare
No
MCL Violations
0
Monitoring Violations
477
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 30 2023
Revised Total Coliform Rule MON 19 2024
Coliform (TCR) MR 16 2005
Lead and Copper Rule MR 12 2004
1,2,4-Trichlorobenzene MR 10 2005
o-Dichlorobenzene MR 10 2005
p-Dichlorobenzene MR 10 2005
1,2-Dichloroethane MR 10 2005
Carbon tetrachloride MR 10 2005
Trichloroethylene MR 10 2005
1,1,2-Trichloroethane MR 10 2005
CHLOROBENZENE MR 10 2005
Benzene MR 10 2005
Toluene MR 10 2005
Pentachlorophenol MR 10 2008
cis-1,2-Dichloroethylene MR 10 2005
DICHLOROMETHANE MR 10 2005
trans-1,2-Dichloroethylene MR 10 2005
1,1,1-Trichloroethane MR 10 2005
Ethylbenzene MR 10 2005
Styrene MR 10 2005
1,1-Dichloroethylene MR 10 2005
Vinyl chloride MR 10 2005
1,2-Dichloropropane MR 10 2005
Tetrachloroethylene MR 10 2005
Arsenic MR 7 2005
Chromium MR 7 2005
Mercury MR 7 2005
Barium MR 7 2005
Fluoride MR 7 2005

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 Greenwood Mobile Home Park.

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 WA5329816 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 Greenwood Mobile Home Park 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
2024 Revised Total Coliform Rule MON 19 SDWIS / WA5329816 / 8000
2023 Nitrate MR 30 SDWIS / WA5329816 / 1040
2018 Consumer Confidence Rule Other 3 SDWIS / WA5329816 / 7000
2008 Pentachlorophenol MR 10 SDWIS / WA5329816 / 2326
2008 Picloram MR 5 SDWIS / WA5329816 / 2040
2008 2,4,5-TP MR 5 SDWIS / WA5329816 / 2110
2008 BHC-GAMMA MR 5 SDWIS / WA5329816 / 2010
2008 Methoxychlor MR 5 SDWIS / WA5329816 / 2015
2008 Di(2-ethylhexyl) adipate MR 5 SDWIS / WA5329816 / 2035
2008 Simazine MR 5 SDWIS / WA5329816 / 2037
2008 Di(2-ethylhexyl) phthalate MR 5 SDWIS / WA5329816 / 2039
2008 LASSO MR 5 SDWIS / WA5329816 / 2051
2008 Heptachlor MR 5 SDWIS / WA5329816 / 2065
2008 Heptachlor epoxide MR 5 SDWIS / WA5329816 / 2067
2008 HEXACHLOROBENZENE MR 5 SDWIS / WA5329816 / 2274

How Greenwood Mobile Home Park Compares

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

Metric Greenwood Mobile Home Park Washington avg Federal benchmark
Total violations 482 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 240 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 Greenwood Mobile Home Park water safe to drink?
Greenwood Mobile Home Park (PWS ID: WA5329816) has 482 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 240 people using Groundwater sources.
How many people does Greenwood Mobile Home Park serve?
Greenwood Mobile Home Park serves 240 people in Westport, Washington. It is a Private-owned system using Groundwater water sources with 123 service connections.
What type of violations does Greenwood Mobile Home Park have?
Greenwood Mobile Home Park has 482 total violations: 0 health-based violations (MCL exceedances or treatment failures), 477 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Greenwood Mobile Home Park water?
No PFAS testing data is available for Greenwood Mobile Home Park under the EPA's UCMR5 monitoring program.
What water source does Greenwood Mobile Home Park use?
Greenwood Mobile Home Park 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.
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.