Grays Harbor County, Washington
20 ZIP codes · Avg score 99/100 · Grade A · Updated
ZipCheckup grade for Grays Harbor County: A.
No federal data flags a major home-safety concern for this ZIP.
Covering 20 ZIP codes, Grays Harbor County earns a high grade for tap water - most systems report zero health-based violations, and the overall compliance rate comfortably exceeds federal benchmarks.
How Grays Harbor County Compares
How Grays Harbor County Compares
Grays Harbor County scores 13 points above the Washington state average (86/100) and 26 points above the national average (73/100).
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:
ZIP Code Risk Map
Water Quality Map: Grays Harbor County, Washington
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.5 (asthma 11.5%, diabetes 13.6%)
Estimated additional annual cost per homeowner: $2,846, driven primarily by sea_level
66.2% of homes built before 1978 (lead paint era)
Violation History (2023–2025)
→ Stable trendEPA violation counts by year across Grays Harbor County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 6 violations. Past 5 years: 13 total (13 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $2,846
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
36,483 housing units in Grays Harbor County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Grays Harbor County
Remediation costs are relatively manageable for most homeowners in Grays Harbor County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Grays Harbor County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Grays Harbor County
8 community water systems serving Grays Harbor County.
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Show all 8 water systems
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16 total water systems serve Grays Harbor County.
Systems with the most violations in Grays Harbor County
5 water systems with recorded EPA violations.
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All ZIP Codes in Grays Harbor County
20 ZIP codes tracked in Grays Harbor County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 98541 | Elma | 99 | A | 4 | $338K |
| 2 | 98550 | Hoquiam | 99 | A | 3 | $212K |
| 3 | 98569 | Ocean Shores | 99 | A | 2 | $374K |
| 4 | 98595 | Westport | 99 | A | 6 (4 health) | $255K |
| 5 | 98563 | Montesano | 98 | A | 7 | $315K |
| 6 | 98520 | Aberdeen | 97 | A | 13 (4 health) | $237K |
| 7 | 98526 | Amanda Park | — | — | $66K | |
| 8 | 98535 | Copalis Beach | — | — | 1 | $262K |
| 9 | 98536 | Copalis Crossing | — | — | 2 | — |
| 10 | 98537 | Cosmopolis | — | — | 8 | $301K |
| 11 | 98552 | Humptulips | — | — | — | |
| 12 | 98557 | Mccleary | — | — | 1 | $351K |
| 13 | 98559 | Malone | — | — | — | |
| 14 | 98562 | Moclips | — | — | 1 | — |
| 15 | 98566 | Neilton | — | — | $128K | |
| 16 | 98568 | Oakville | — | — | 0 | $410K |
| 17 | 98571 | Pacific Beach | — | — | 2 | — |
| 18 | 98575 | Quinault | — | — | $255K | |
| 19 | 98583 | Satsop | — | — | — | |
| 20 | 98587 | Taholah | — | — | $108K |
Recommended Buyer Guides for Grays Harbor County
Designed to find the guide that fits the county, not the other way around - the system reads EPA detections, FEMA hazard layers, and CDC lead-exposure markers, then outputs the categories that resolve those specific risks for households here, with NSF-certified products surfaced when the matching contaminant appears in the local monitoring data.
- Best Water Filters for Lead — Lead above EPA action level in 1 ZIP code
- Best Lead Paint Test Kits — 66.2% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Grays Harbor County, Washington
Overview
Grays Harbor County in Washington covers 20 tracked ZIP records with an average Home Safety Score of A (99/100) across 6 scored records.
12 of 13 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 4 health-based violations appear in the available health breakdown.
← Back to Washington Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.