Coupeville, WA (98239): PFAS Detected in Mapped Water Systems
EPA data combined for 17 water systems mapped to this ZIP (largest mapped system: Coupeville Town of)
Health-based violation records by water system:
- Penn Cove Water and Sewer District (15)
- Sierra Country Club (9)
- Rolling Hills-glencairn (8)
- WA5378373 (1)
EPA records for the water systems mapped to 98239 in Coupeville, WA contain 80 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 33 are marked health-based.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water EPA records for water systems mapped to this ZIP show 33 health-based violations and 47 non-health-based (since 2021).
- Lead The reported 90th-percentile lead result of 0.0035 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
- PFAS At least one PFAS result is above an EPA MCL value (UCMR5 sampling; MCL compliance required from 2029).
- Radon EPA Zone 3 - county-level radon potential, not evidence of a low home result.
- Flood 7 cumulative NFIP claim records. Claim evidence is historical, not current map coverage.
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Read the card below - it documents the sole critical-level finding on file for Coupeville (98239), with the high-priority tier of the same safety record returning zero results.
Score Breakdown
Overall Home Safety Score: Score unavailable
Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.
Canonical components
Required domains
Coverage: 3 of 4 components and 2 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (8) CRITICAL
Your Water System
ZIP code 98239 in Coupeville, Washington is mapped to the water system Coupeville Town of (EPA ID: WA5315550). This system provides water to approximately 4,142 people from groundwater sources.
There are 17 community water systems serving this area.
Lead & Copper in Your Water
The EPA requires water systems to monitor lead and copper levels under the Lead and Copper Rule.
| Metal | Measured Level | EPA Action Level | Status | Sample Date or Period |
|---|---|---|---|---|
| Copper | Action-level exceedance on record | 1.3 mg/L | Exceeds action level | Not present in ZipCheckup accepted source data |
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Coupeville Town of | WA5315550 | 4,142 | Groundwater |
| Admirals Cove Water District | WA5300410 | 870 | Groundwater |
| Rolling Hills-glencairn | WA5374000 | 872 | Groundwater |
| Crockett Lake Water District | WA5316256 | 325 | Groundwater |
| Sierra Country Club | WA5378975 | 400 | Groundwater |
Other Water Quality Reports in Washington
- 98001 (Auburn) - 6 violations recorded for mapped water systems
- 98002 (Auburn) - 2 violations recorded for mapped water systems
- 98003 (Federal Way) - 1 violation recorded for mapped water systems
- 98004 (Bellevue) - 3 violations recorded for mapped water systems
- 98005 (Bellevue)
- 98006 (Bellevue) - 5 violations recorded for mapped water systems
- 98007 (Bellevue)
- 98008 (Bellevue)
- 98009 (Bellevue)
- 98010 (Black Diamond)
- 98011 (Bothell) - 1 violation recorded for mapped water systems
- 98012 (Bothell) - 2 violations recorded for mapped water systems
- 98013 (Burton)
- 98014 (Carnation) - 3 violations recorded for mapped water systems
- 98015 (Bellevue)
- 98019 (Duvall) - 45 violations recorded for mapped water systems
- 98020 (Edmonds) - 3 violations recorded for mapped water systems
- 98021 (Bothell) - 5 violations recorded for mapped water systems
- 98022 (Enumclaw) - 2 violations recorded for mapped water systems
- 98023 (Federal Way) - 1 violation recorded for mapped water systems
Nearby Water Quality Reports
- 98277 (Oak Harbor) - 7 mi - 152 violations recorded for mapped water systems
- 98282 (Camano Island) - 8 mi - 92 violations recorded for mapped water systems
- 98278 (Oak Harbor) - 8 mi
- 98368 (Port Townsend) - 9 mi - 3 violations recorded for mapped water systems
- 98253 (Greenbank) - 10 mi - 21 violations recorded for mapped water systems
- 98358 (Nordland) - 12 mi - 1 violation recorded for mapped water systems
- 98339 (Port Hadlock) - 13 mi - 1 violation recorded for mapped water systems
- 98249 (Freeland) - 14 mi - 48 violations recorded for mapped water systems
- 98292 (Stanwood) - 14 mi - 16 violations recorded for mapped water systems
- 98257 (La Conner) - 15 mi - 6 violations recorded for mapped water systems
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Coupeville Town of (WA5315550) on EPA.gov.
4 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.
Compliance History
PFAS Contamination Detected
PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 98239. One or more compound results are above the level of a federal PFAS MCL with compliance required from 2029.
Detected compounds: PFHxA, PFPeA, PFOA, PFBS, PFBA, PFHxS, PFHpA.
Highest measured level: 0.017 µg/L
Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.
Health Risks from Detected Contaminants
Total Trihalomethanes (TTHM)
High RiskEPA reference value: 0.08 mg/L · 35 violations on record
Long-term exposure is associated with increased cancer risk, including bladder cancer; possible reproductive effects
At-risk groups: pregnant women, long-term consumers of chlorinated water
Treatment options (verify a product is certified to reduce this contaminant): granular activated carbon (GAC), carbon block filter, point-of-entry aeration · Find a filter →
Haloacetic Acids (HAA5)
High RiskEPA reference value: 0.06 mg/L · 11 violations on record
Increased risk of cancer
Treatment options (verify a product is certified to reduce this contaminant): granular activated carbon (GAC), carbon block filter, reverse osmosis · Find a filter →
Environmental Hazards (11) HIGH
Home & Infrastructure (7) OK
Cost & Community (9) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Coupeville
Based on local data for ZIP 98239, these services may benefit homeowners in your area.
Based on local data for your area. Use the tools below to explore your options.
Home & Flood Insurance
The ZIP code for this report in Coupeville has 7 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.
Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote
Check Your Flood Zone (Free)FEMA flood map lookup - see if your property is in a flood zone
Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)
Gutter Installation & Repair
The median home in 98239 was built around 1982. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.
Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home
Estimate Your Home Maintenance CostsWindow Replacement
The median build year of homes in Coupeville is 1982; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.
Typical cost: Window replacement: typically $300–$800 per window installed
Estimate Your Home Maintenance CostsRoofing Inspection & Repair
Active weather alerts in Washington increase the risk of roof damage from hail and high winds. A professional inspection can identify vulnerabilities.
Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500
Estimate Your Home Insurance NeedsService recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.
Frequently Asked Questions
Is the tap water in 98239 safe to drink?
EPA SDWIS records 80 violations since 2021 across the water systems mapped to ZIP 98239 (primary system: Coupeville Town of), including 33 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.
Where does 98239's water come from?
The recorded water source for Coupeville Town of, a system mapped to ZIP code 98239, is Groundwater. This system serves approximately 4,142 people.
How can I get my water tested in Coupeville?
If Coupeville Town of supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.
Is lead a concern in 98239 tap water?
The Lead and Copper Rule record selected for 98239 reports a 90th-percentile lead result of 0.0035 mg/L for a water system mapped to this ZIP (record date 2025-12-31). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.
What is the radon risk for 98239?
98239 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Island County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
Are there PFAS (forever chemicals) in 98239's water?
Yes, PFAS have been detected in samples from water systems mapped to 98239. One or more PFAS results are above the level of a federal PFAS MCL with compliance required from 2029. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.
What does the NFIP claim history show for ZIP 98239?
FEMA records contain 7 flood insurance claims filed in ZIP code 98239; the recorded rated-zone value (the most frequent one if there are several claims) is AE, which is claims evidence and may differ from the current FEMA map zone for a property. Claim records do not establish current property risk. Review FEMA's map for the specific property.
How to cite this page
ZipCheckup. (2026). Coupeville, WA (98239): PFAS Detected in Mapped Water Systems. https://zipcheckup.com/report/98239/
@misc{zipcheckup-report-98239,
author = {{ZipCheckup}},
title = {{Coupeville, WA (98239): PFAS Detected in Mapped Water Systems}},
year = {2026},
url = {https://zipcheckup.com/report/98239/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 98239
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 98277 | Oak Harbor, WA | 7.0 mi | N/A | 152 |
| 98282 | Camano Island, WA | 8.0 mi | N/A | 92 |
| 98278 | Oak Harbor, WA | 8.4 mi | N/A | 0 |
| 98368 | Port Townsend, WA | 9.5 mi | A | 3 |
| 98253 | Greenbank, WA | 9.5 mi | N/A | 21 |
| 98358 | Nordland, WA | 12.1 mi | A | 1 |
| 98339 | Port Hadlock, WA | 13.3 mi | A | 1 |
| 98249 | Freeland, WA | 13.9 mi | N/A | 48 |
| 98292 | Stanwood, WA | 14.1 mi | N/A | 16 |
| 98257 | La Conner, WA | 14.9 mi | A | 6 |
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