Mathews County, Virginia
16 ZIP codes · Avg score 64/100 · Grade C · Updated 2026-06-03
Water systems across Mathews County's 16 ZIP codes produce average compliance results overall — pockets with documented violations exist, and the variation between areas makes ZIP-level lookup the most useful tool for residents here.
How Mathews County Compares
How Mathews County Compares
Mathews County scores 2 points below the Virginia state average (66/100) and 4 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Mathews County, Virginia
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 15 (asthma 10.6%, diabetes 15.2%)
Estimated additional annual cost per homeowner: $5,194, driven primarily by sea_level
Infrastructure: 0.382% avg pipe failure probability, 38% of ZIPs at high risk
69.3% of homes built before 1978 (lead paint era)
Violation History (2024–2025)
→ Stable trendEPA violation counts by year across Mathews County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 32 violations. Past 5 years: 64 total (64 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
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: $5,194
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
5,259 housing units in Mathews 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 Mathews County
Remediation costs are relatively manageable for most homeowners in Mathews 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 Mathews County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
All ZIP Codes in Mathews County
16 ZIP codes tracked in Mathews County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 23064 | Grimstead | 73 | B | 0 | — |
| 2 | 23068 | Hallieford | 73 | B | 0 | $385K |
| 3 | 23109 | Mathews | 68 | C | 5 (3 health) | $263K |
| 4 | 23021 | Bohannon | 65 | C | 0 | — |
| 5 | 23025 | Cardinal | 65 | C | 0 | $584K |
| 6 | 23035 | Cobbs Creek | 65 | C | 0 | $434K |
| 7 | 23056 | Foster | 65 | C | 0 | $345K |
| 8 | 23076 | Hudgins | 65 | C | 0 | $515K |
| 9 | 23119 | Moon | 65 | C | 0 | $258K |
| 10 | 23045 | Diggs | 60 | C | 0 | $115K |
| 11 | 23066 | Gwynn | 60 | C | 0 | $409K |
| 12 | 23125 | New Point | 60 | C | 0 | — |
| 13 | 23128 | North | 60 | C | 0 | $245K |
| 14 | 23130 | Onemo | 60 | C | 0 | — |
| 15 | 23163 | Susan | 60 | C | 0 | — |
| 16 | 23138 | Port Haywood | 55 | C | 0 | $271K |
Recommended Buyer Guides for Mathews County
Methodologically, the recommendation order reflects severity in the federal record: contaminants flagged in EPA detection records for this county outrank generic water concerns, FEMA-confirmed hazard ratings shift emergency-related categories upward, and CDC lead-exposure markers govern when lead-test kits and certified filters appear at the top of the list.
- Best Lead Paint Test Kits — 69.3% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Mathews County, Virginia
Overview
Mathews County in Virginia covers 16 ZIP codes with an average Home Safety Score of C (64/100).
1 of 16 ZIP codes have recorded EPA violations. 3 health-based violations have been documented.
← Back to 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.