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2026 Rankings
Grays Harbor County, Washington Home Safety Rankings - 21 ZIPs
Explore rankings under Home Safety Score model 4.0.0. Only ZIPs with all four required inputs are ranked; missing evidence is not imputed or reweighted.
Grays Harbor County, Washington (Washington) includes 21 tracked ZIP codes and 16 mapped community water systems; confirm service for a specific address. Below are the water quality rankings for metro ZIPs with all required inputs.
Average Home Safety Grade: A (99/100)
| Grade | ZIP Codes | % |
|---|---|---|
| A | 6 | 100% |
| B | 0 | 0% |
| C | 0 | 0% |
| D | 0 | 0% |
| F | 0 | 0% |
Top 10 ZIP Codes by Home Safety Score
| Rank | ZIP | City | Score | Grade |
|---|---|---|---|---|
| 1 | 98541 | Elma | 99 | A |
| 2 | 98550 | Hoquiam | 99 | A |
| 3 | 98569 | Ocean Shores | 99 | A |
| 4 | 98595 | Westport | 99 | A |
| 5 | 98563 | Montesano | 98 | A |
| 6 | 98520 | Aberdeen | 97 | A |
10 Riskiest ZIP Codes
| Rank | ZIP | City | Score | Grade | Risk Factor |
|---|---|---|---|---|---|
| 1 | 98520 | Aberdeen | 97 | A | 13 violations |
| 2 | 98563 | Montesano | 98 | A | 7 violations |
| 3 | 98595 | Westport | 99 | A | 6 violations |
| 4 | 98569 | Ocean Shores | 99 | A | 2 violation(s) |
| 5 | 98550 | Hoquiam | 99 | A | 3 violation(s) |
| 6 | 98541 | Elma | 99 | A | 4 violations |
Most Common Contaminant Violations
| Contaminant | Violations | ZIPs Affected |
|---|---|---|
| Surface Water Treatment Rule | 20 | 10 |
| Barium | 18 | 3 |
| Lead | 5 | 5 |
| Total Trihalomethanes (TTHM) | 4 | 3 |
| Haloacetic Acids (HAA5) | 4 | 3 |
| Consumer Confidence Report Rule | 3 | 2 |
| Stage 1 DBP Rule | 2 | 2 |
Lead Risk
- Average of reported 90th-percentile lead results: 0.0052 mg/L (below EPA action level)
- 1 of 14 ZIP codes with known status exceed EPA lead action level
- 27% of housing built before 1950
- 43% of housing built before 1970
Cities in This Metro
- Aberdeen, WA — 1 ZIP code
- Amanda Park, WA — 1 ZIP code
- Copalis Beach, WA — 1 ZIP code
- Copalis Crossing, WA — 1 ZIP code
- Cosmopolis, WA — 1 ZIP code
- Elma, WA — 1 ZIP code
- Grayland, WA — 1 ZIP code
- Hoquiam, WA — 1 ZIP code
- Humptulips, WA — 1 ZIP code
- Mccleary, WA — 1 ZIP code
- Malone, WA — 1 ZIP code
- Matlock, WA — 1 ZIP code
- Moclips, WA — 1 ZIP code
- Montesano, WA — 1 ZIP code
- Neilton, WA — 1 ZIP code
- Oakville, WA — 1 ZIP code
- Ocean Shores, WA — 1 ZIP code
- Pacific Beach, WA — 1 ZIP code
- Quinault, WA — 1 ZIP code
- Taholah, WA — 1 ZIP code
- Westport, WA — 1 ZIP code
All 21 ZIP Codes Ranked
View complete ranking
| Rank | ZIP | City | Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 98541 | Elma | 99 | A | 4 |
| 2 | 98550 | Hoquiam | 99 | A | 3 |
| 3 | 98569 | Ocean Shores | 99 | A | 2 |
| 4 | 98595 | Westport | 99 | A | 6 |
| 5 | 98563 | Montesano | 98 | A | 7 |
| 6 | 98520 | Aberdeen | 97 | A | 13 |
| 7 | 98526 | Amanda Park | — | — | — |
| 8 | 98535 | Copalis Beach | — | — | 1 |
| 9 | 98537 | Cosmopolis | — | — | 8 |
| 10 | 98547 | Grayland | — | — | 6 |
| 11 | 98552 | Humptulips | — | — | — |
| 12 | 98557 | Mccleary | — | — | 1 |
| 13 | 98560 | Matlock | — | — | — |
| 14 | 98562 | Moclips | — | — | 1 |
| 15 | 98566 | Neilton | — | — | — |
| 16 | 98568 | Oakville | — | — | 0 |
| 17 | 98571 | Pacific Beach | — | — | 2 |
| 18 | 98575 | Quinault | — | — | — |
| 19 | 98587 | Taholah | — | — | — |
Data Sources
- Water quality: EPA SDWIS
- Housing: U.S. Census Bureau American Community Survey
- Flood: FEMA NFIP
- Flood scope: historical NFIP claim records and claim-rated-zone evidence; this is not current property-map coverage.
Reporting periods vary by source; the page metadata identifies this materialization.
Methodology
Model 4.0.0 averages SDWIS water compliance and UCMR5 PFAS within drinking water, then averages drinking water, county radon, and annual AQI as three equal domains. All four inputs are required. Score methodology → · Rankings methodology →
Model 4.0.0 averages SDWIS water compliance and UCMR5 PFAS within drinking water, then averages drinking water, county radon, and annual AQI as three equal domains. All four inputs are required. Score methodology → · Rankings methodology →
Disclaimer: Scores are based on EPA SDWIS reported data and are not a guarantee of current water safety. Water quality can change. For the most current information, contact your local water utility or request a Consumer Confidence Report.
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How to cite this page
APA
ZipCheckup. (2026). Grays Harbor County, Washington Home Safety Rankings - 21 ZIPs. https://zipcheckup.com/rankings/metro/grays-harbor-washington/
BibTeX
@misc{zipcheckup-rankings-metro-grays-harbor-washington,
author = {{ZipCheckup}},
title = {{Grays Harbor County, Washington Home Safety Rankings - 21 ZIPs}},
year = {2026},
url = {https://zipcheckup.com/rankings/metro/grays-harbor-washington/}
}
Page version: October 2026.
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