COUNTY REPORT MS

Greene County, Mississippi

4 ZIP codes · Avg score 79/100 · Grade B · Updated 2026-06-03

Covering 4 ZIP codes, Greene County earns a high grade for tap water — most systems report zero health-based violations, and the overall compliance rate comfortably exceeds federal benchmarks.

How Greene County Compares

Greene County79/100
Mississippi avg81/100
National avg68/100

How Greene County Compares

B
County Grade
79/100
Avg Safety Score
4
ZIP Codes
12
Water Systems

Greene County scores 2 points below the Mississippi state average (81/100) and 11 points above the national average (68/100).

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

B
County Grade
79
Avg Safety Score
4
ZIP Codes
Best ZIP: 39461 (93/100)
Lowest ZIP: 39456 (65/100)
$123K
Median Home Value
$1,125
Avg Remediation (92% of home value)

Key Risk Factors

Health risk index: 15.2 (asthma 9.5%, diabetes 14.5%)

Estimated additional annual cost per homeowner: $4,053, driven primarily by sea_level

Infrastructure: 0.328% avg pipe failure probability, 25% of ZIPs at high risk

58.8% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 9.5% (national: 8.9%)
Diabetes 14.5% (national: 10.5%)
Obesity 41.8% (national: 32.4%)

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

Infrastructure Overview

1976
Median Build Year
58.8%
Pre-1978 Housing
33%
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: $4,053

Sea Level Rise $3,000/yr
Flood $550/yr
Wildfire $300/yr

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

Housing Age Distribution

3,325 housing units in Greene County

Pre-1940 8%
1940–1959 15%
1960–1979 31%
1980–1999 21%
2000+ 26%

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 Greene County

$123K
Median Home Value
$1,125
Est. Remediation Cost
0.9%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Greene 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 Greene County residents

Asthma 9.5% (US avg: 8.9%)
Diabetes 14.5% (US avg: 11%)
Obesity 41.8% (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 Greene County ranked by EPA violation count.

# Water System Population Violations
1 Town of Leakesville 2,616 8
2 NEELY UTILITIES 499 8
3 Buckatunna Water Association 4,686 2
4 Town of State Line 1,600 2
5 Combined Utilities 6,658 0

12 total water systems serve Greene County.

All ZIP Codes in Greene County

4 ZIP codes tracked in Greene County.

# ZIP Code City Safety Score Grade Violations Home Value
1 39461 Neely 93 A 6 (2 health)
2 39451 Leakesville 86 A 2 $111K
3 39464 Ovett 73 B 0 $123K
4 39456 Mc Lain 65 C 0 $128K

Recommended Buyer Guides for Greene County

Designed to find the guide that fits the county, not the other way around — the system reads EPA detections, FEMA hazard layers, and CDC lead-exposure markers, then outputs the categories that resolve those specific risks for households here, with NSF-certified products surfaced when the matching contaminant appears in the local monitoring data.

Overview

Greene County in Mississippi covers 4 ZIP codes with an average Home Safety Score of B (79/100).

2 of 4 ZIP codes have recorded EPA violations. 2 health-based violations have been documented.

← Back to Mississippi water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Greene County?
Greene County receives a grade of B, indicating generally safe tap water across its 4 ZIP codes.
How many water systems serve Greene County?
Greene County is served by 12 public water systems that supply drinking water to residents across 4 ZIP codes.
What is the biggest environmental risk in Greene County?
The primary environmental risk factor in Greene County is sea_level. This contributes to an estimated additional annual cost of $4,053 per homeowner.
How old are homes in Greene County?
The median home build year in Greene County is 1976. 58.8% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Greene County compare to Mississippi?
Greene County has an average water safety score of 79/100, which is below the Mississippi state average of 81/100.

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