COUNTY REPORT MS

Wayne County, Mississippi

4 ZIP codes · Avg score 91/100 · Grade A · Updated 2026-06-03

Tracking 4 ZIP codes in Wayne County shows a water safety record well above the national median — violations are isolated exceptions, not recurring patterns.

How Wayne County Compares

Wayne County91/100
Mississippi avg81/100
National avg68/100

How Wayne County Compares

A
County Grade
91/100
Avg Safety Score
4
ZIP Codes
9
Water Systems

Wayne County scores 10 points above the Mississippi state average (81/100) and 23 points above the national average (68/100).

Data: EPA SDWIS Last verified: 2026-06-03

A
County Grade
91
Avg Safety Score
4
ZIP Codes
Best ZIP: 39322 (94/100)
Lowest ZIP: 39367 (85/100)
$58K
Median Home Value
$1,900
Avg Remediation (326% of home value)

Key Risk Factors

Health risk index: 16.9 (asthma 10.5%, diabetes 17.8%)

Estimated additional annual cost per homeowner: $3,905, driven primarily by sea_level

Infrastructure: 0.323% avg pipe failure probability, 25% of ZIPs at high risk

45.7% of homes built before 1978 (lead paint era)

Violation History (2024–2025)

→ Stable trend

EPA violation counts by year across Wayne County water systems. Health-based shown in red, total in blue.

2024
6 (6 health)
2025
3 (3 health)

Peak year: 2024 with 6 violations. Past 5 years: 9 total (9 health-based).

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

County Health Indicators vs National Average

Asthma 10.5% (national: 8.9%)
Diabetes 17.8% (national: 10.5%)
Obesity 44.2% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1988
Median Build Year
45.7%
Pre-1978 Housing
32%
Pipe Failure Probability
25%
ZIPs at High Infra Risk
Low
Lead Pipe Risk

Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $3,905

Sea Level Rise $3,000/yr
Flood $500/yr
Wildfire $300/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

9,215 housing units in Wayne County

Pre-1940 2%
1940–1959 10%
1960–1979 32%
1980–1999 36%
2000+ 20%

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 Wayne County

$58K
Median Home Value
$1,900
Est. Remediation Cost
3.3%
of Home Value
Remediation as % of home value moderate burden

Water safety remediation is a moderate expense relative to home values. Most homeowners can address issues through staged improvements over time.

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 Wayne County residents

Asthma 10.5% (US avg: 8.9%)
Diabetes 17.8% (US avg: 11%)
Obesity 44.2% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water Systems with Most Violations

Top 5 systems in Wayne County ranked by EPA violation count.

# Water System Population Violations
1 Clara Water Association 1,690 28
2 Buckatunna Water Association 4,686 23
3 Southwest Wayne Water Assn 1,101 23
4 Hiwannee Water Association #1 3,749 18
5 Whistler Water Association 4,116 15

9 total water systems serve Wayne County.

All ZIP Codes in Wayne County

4 ZIP codes tracked in Wayne County.

# ZIP Code City Safety Score Grade Violations Home Value
1 39322 Buckatunna 94 A 3 (1 health) $58K
2 39324 Clara 93 A 5 (1 health)
3 39362 State Line 90 A 5 $58K
4 39367 Waynesboro 85 A 15 (2 health) $90K

Recommended Buyer Guides for Wayne County

Eight risk categories drive the selection — PFAS exceedance, lead above EPA action level, pre-1978 housing share, EPA Radon Zone 1, flood-top-risk, wildfire-top-risk, multi-contaminant load, and a baseline fallback — and each category maps to a specific buyer-guide track that surfaces when the county data hits its threshold for that hazard signal.

Overview

Wayne County in Mississippi covers 4 ZIP codes with an average Home Safety Score of A (91/100).

4 of 4 ZIP codes have recorded EPA violations. 4 health-based violations have been documented.

← Back to Mississippi water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Wayne County?
Wayne County receives a grade of A, indicating generally safe tap water across its 4 ZIP codes.
How many water systems serve Wayne County?
Wayne County is served by 9 public water systems that supply drinking water to residents across 4 ZIP codes.
What is the biggest environmental risk in Wayne County?
The primary environmental risk factor in Wayne County is sea_level. This contributes to an estimated additional annual cost of $3,905 per homeowner.
How old are homes in Wayne County?
The median home build year in Wayne County is 1988. 45.7% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Wayne County compare to Mississippi?
Wayne County has an average water safety score of 91/100, which is above the Mississippi state average of 81/100.

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