Mason County, Kentucky
5 ZIP codes · Avg score 70/100 · Grade B · Updated 2026-07-19
ZipCheckup grade for Mason: B.
This ZIP looks solid, with a few items worth a quick check.
Homeowners across Mason County's 5 ZIP codes live with water safety scores that generally beat state and national averages.
How Mason County Compares
How Mason County Compares
Mason County scores 9 points above the Kentucky state average (61/100) and 2 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-07-19
ZIP Code Risk Map
Water Quality Map: Mason County, Kentucky
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Estimated additional annual cost per homeowner: $536, driven primarily by energy_code_gap
Infrastructure: 0.387% avg pipe failure probability, 33% of ZIPs at high risk
56% of homes built before 1978 (lead paint era)
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $536
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
8,125 housing units in Mason 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 Mason County
Remediation costs are relatively manageable for most homeowners in Mason 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.
Water systems serving Mason County
8 community water systems serving Mason County.
- D
- B
- B
- B
- B
- B
Show all 8 water systems
- D
- B
All ZIP Codes in Mason County
5 ZIP codes tracked in Mason County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 41034 | Dover | 83 | B | 0 | $82K |
| 2 | 41055 | Mayslick | 83 | B | 0 | $212K |
| 3 | 41056 | Maysville | 78 | B | 0 | $159K |
| 4 | 41062 | Minerva | 53 | D | 0 | — |
| 5 | 41096 | Washington | 53 | D | 0 | — |
Recommended Buyer Guides for Mason County
Federal and certification sources drive the ordering: EPA monitoring data, NSF certifications, FEMA flood maps, and CDC lead guidance - guides surface only when county data warrants them.
- Best Lead Paint Test Kits — 56% of homes built before 1978
Deep Dive Reports
Detailed analysis for Mason County, Kentucky
Overview
Mason County in Kentucky covers 5 ZIP codes with an average Home Safety Score of B (70/100).
No EPA violations are recorded for the tracked water systems in Mason County as of the latest reporting period.
← Back to Kentucky water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.