Mason County, West Virginia
13 ZIP codes · Avg score 66/100 · Grade C · Updated 2026-06-04
Compared to top-scoring counties, Mason County's 13 ZIP codes land in the middle tier — some meet standards cleanly, others carry documented violations, and the gap between the best and worst areas is wider than average.
How Mason County Compares
How Mason County Compares
Mason County scores 2 points above the West Virginia state average (64/100) and 2 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
ZIP Code Risk Map
Water Quality Map: Mason County, West Virginia
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 17.4 (asthma 12.8%, diabetes 17%)
Estimated additional annual cost per homeowner: $1,020, driven primarily by flood
Infrastructure: 0.468% avg pipe failure probability, 77% of ZIPs at high risk
59.4% 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
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,020
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
11,549 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.
Health Outcomes vs National Average
CDC PLACES data for Mason County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Mason County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Hartford Town of | 745 | 53 |
| 2 | MASON CO PSD - ASHTON | 3,768 | 29 |
| 3 | POINT PLEASANT WATER WORKS | 5,146 | 25 |
| 4 | Mason Company Public Service District-lakin District | 4,296 | 25 |
| 5 | Mason Company Public Service District-crab Creek | 2,039 | 25 |
13 total water systems serve Mason County.
All ZIP Codes in Mason County
13 ZIP codes tracked in Mason County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 25082 | Fraziers Bottom | 81 | B | 1 | $251K |
| 2 | 25503 | Ashton | 77 | B | 4 | $70K |
| 3 | 25550 | Point Pleasant | 74 | B | 25 (1 health) | $127K |
| 4 | 25265 | New Haven | 69 | C | 21 | $109K |
| 5 | 25260 | Mason | 68 | C | 22 | $92K |
| 6 | 25247 | Hartford | 65 | C | 31 | $71K |
| 7 | 25187 | Southside | 63 | C | 0 | $232K |
| 8 | 25253 | Letart | 63 | C | 0 | $136K |
| 9 | 25287 | West Columbia | 63 | C | 0 | $184K |
| 10 | 25502 | Apple Grove | 63 | C | 0 | — |
| 11 | 25515 | Gallipolis Ferry | 63 | C | 0 | $156K |
| 12 | 25106 | Henderson | 55 | C | 0 | — |
| 13 | 25520 | Glenwood | 50 | D | 0 | $85K |
Recommended Buyer Guides for Mason County
Where county records show a lead exceedance or pre-1978 housing concentration, lead-specific filters and test kits move toward the top of the list.
- Best Lead Paint Test Kits — 59.4% of homes built before 1978
- 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 Mason County, West Virginia
Overview
Mason County in West Virginia covers 13 ZIP codes with an average Home Safety Score of C (66/100).
6 of 13 ZIP codes have recorded EPA violations. 1 health-based violation have been documented.
← Back to West Virginia 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.