Lewis County, Washington
23 ZIP codes · Avg score 88/100 · Grade A
ZipCheckup grade for Lewis County: A.
Checked records flag no major concern; missing data is unknown.
ZipCheckup rates Lewis County in the top two of its five grades; 23 ZIP codes are tracked there.
How Lewis County Compares
How Lewis County Compares
Lewis County scores 2 points above the Washington state average (86/100) and 15 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
ZIP Code Risk Map
Water Quality Map: Lewis County, Washington
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.9 (asthma 11.3%, diabetes 12.1%)
Modeled additional annual cost estimate per homeowner: $2,434, largest modeled factor: Sea Level
52% of homes built before 1980 (lead paint was banned for residential use in 1978)
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 DWINSA infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $2,434
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
36,824 housing units in Lewis 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 Lewis County
Modeled remediation costs in Lewis County can be compared with the median property value; actual costs vary by property.
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 Lewis County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems mapped to Lewis County ZIP codes
8 community water systems mapped to Lewis County ZIP codes; EPA may list more systems serving the county.
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Show all 8 water systems
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- B
12 water systems mapped to Lewis County ZIP codes in our data; EPA may list more systems serving the county.
Systems with the most violations in Lewis County
5 water systems with violations in EPA records.
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- A
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All ZIP Codes in Lewis County
23 ZIP codes tracked in Lewis County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 98532 | Chehalis | 96 | A | 25 | $382K |
| 2 | 98531 | Centralia | 80 | B | 10 | $286K |
| 3 | 98304 | Ashford | — | — | 2 | $241K |
| 4 | 98336 | Glenoma | — | — | $245K | |
| 5 | 98355 | Mineral | — | — | $413K | |
| 6 | 98356 | Morton | — | — | $281K | |
| 7 | 98361 | Packwood | — | — | $266K | |
| 8 | 98377 | Randle | — | — | $425K | |
| 9 | 98522 | Adna | — | — | — | |
| 10 | 98533 | Cinebar | — | — | $352K | |
| 11 | 98538 | Curtis | — | — | 0 | $398K |
| 12 | 98539 | Doty | — | — | — | |
| 13 | 98542 | Ethel | — | — | $416K | |
| 14 | 98544 | Galvin | — | — | 1 | — |
| 15 | 98564 | Mossyrock | — | — | $214K | |
| 16 | 98565 | Napavine | — | — | $276K | |
| 17 | 98570 | Onalaska | — | — | 2 | $352K |
| 18 | 98572 | Pe Ell | — | — | 0 | $218K |
| 19 | 98582 | Salkum | — | — | — | |
| 20 | 98585 | Silver Creek | — | — | $376K | |
| 21 | 98591 | Toledo | — | — | 1 | $405K |
| 22 | 98593 | Vader | — | — | 0 | $338K |
| 23 | 98596 | Winlock | — | — | 17 | $365K |
Recommended Buyer Guides for Lewis County
When no specific signal shows up in the records, the list falls back to general water testing and filtration guides rather than staying empty.
- Best Lead Paint Test Kits — 52% of homes built before 1980
Deep Dive Reports
Detailed analysis for Lewis County, Washington
Overview
Lewis County in Washington covers 23 tracked ZIP records with an average Home Safety Score of A (88/100) across 2 scored records.
7 of 10 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. The available record reports no health-based violations for this measured scope.
← 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.