Adams County, Washington
5 ZIP codes · Avg score 80/100 · Grade B · Updated
ZipCheckup grade for Adams County: B.
This ZIP looks solid, with a few items worth a quick check.
EPA monitoring reports for Adams County cover 5 ZIP codes and tell a largely reassuring story - compliance rates are high and health-based violations are far below the national norm.
How Adams County Compares
How Adams County Compares
Adams County scores 6 points below the Washington state average (86/100) and 7 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: Adams County, Washington
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.9 (asthma 10.6%, diabetes 13.3%)
Estimated additional annual cost per homeowner: $1,390, driven primarily by energy_code_gap
82% of homes built before 1978 (lead paint era)
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: $1,390
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
7,696 housing units in Adams 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 Adams County
Remediation costs are relatively manageable for most homeowners in Adams 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 Adams County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Adams County
2 community water systems serving Adams County.
- B
- B
Systems with the most violations in Adams County
2 water systems with recorded EPA violations.
- B
- B
All ZIP Codes in Adams County
5 ZIP codes tracked in Adams County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 99344 | Othello | 80 | B | 12 | $257K |
| 2 | 99105 | Benge | — | — | — | |
| 3 | 99169 | Ritzville | — | — | $211K | |
| 4 | 99341 | Lind | — | — | $245K | |
| 5 | 99371 | Washtucna | — | — | $188K |
Recommended Buyer Guides for Adams County
Editorial-only picks, screened against the EPA detections on file.
- Best Lead Paint Test Kits — 82% of homes built before 1978
Overview
Adams County in Washington covers 5 tracked ZIP records with an average Home Safety Score of B (80/100) across 1 scored records.
1 of 1 ZIP code 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.