Washington County, Kentucky
4 ZIP codes · Avg score 82/100 · Grade B
ZipCheckup grade for Washington County: B.
This ZIP has a few items worth a quick check.
Looking at the composite Home Safety Score, Washington County comes out in the A-B range, and the reports for its 4 ZIP codes show which data sit behind that result.
How Washington County Compares
How Washington County Compares
Washington County scores 13 points above the Kentucky state average (69/100) and 9 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
Key Risk Factors
Modeled additional annual cost estimate per homeowner: $875, largest modeled factor: Flood
48% of homes built before 1980 (lead paint was banned for residential use in 1978)
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: $875
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
4,928 housing units in Washington 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 Washington County
Modeled remediation costs in Washington 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.
Water systems mapped to Washington County ZIP codes
5 community water systems mapped to Washington County ZIP codes; EPA may list more systems serving the county.
- B
- B
- B
- B
- B
Systems with the most violations in Washington County
3 water systems with violations in EPA records.
- B
- B
- B
All ZIP Codes in Washington County
4 ZIP codes tracked in Washington County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 40040 | Mackville | 83 | B | 0 | $144K |
| 2 | 40078 | Willisburg | 82 | B | 2 (1 health) | $162K |
| 3 | 40069 | Springfield | 81 | B | 6 (2 health) | $173K |
| 4 | 40061 | Saint Catharine | — | — | — |
Recommended Buyer Guides for Washington County
These buyer guides are matched by rule rather than by hand - a PFAS record adds a PFAS filter guide, a lead action-level exceedance adds lead filter guides, a high share of pre-1978 homes adds lead paint test kits, EPA Radon Zone 1 add radon kits, and a top flood or wildfire risk adds related equipment.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Washington County, Kentucky
Overview
Washington County in Kentucky covers 4 tracked ZIP records with an average Home Safety Score of B (82/100) across 3 scored records.
2 of 3 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 2 health-based violations appear in the available health breakdown.
← Back to Kentucky 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.