COUNTY REPORT MS

Warren County, Mississippi

6 ZIP codes · Avg score 80/100 · Grade B · Updated 2026-06-03

Homeowners across Warren County's 6 ZIP codes live with water safety scores that generally beat state and national averages.

How Warren County Compares

Warren County80/100
Mississippi avg81/100
National avg68/100

How Warren County Compares

B
County Grade
80/100
Avg Safety Score
6
ZIP Codes
10
Water Systems

Warren County scores 1 points below the Mississippi state average (81/100) and 12 points above the national average (68/100).

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

B
County Grade
80
Avg Safety Score
6
ZIP Codes
Best ZIP: 39182 (94/100)
Lowest ZIP: 39156 (60/100)
$117K
Median Home Value
$1,400
Avg Remediation (120% of home value)

ZIP Code Risk Map

Water Quality Map: Warren County, Mississippi

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 15.4 (asthma 10.1%, diabetes 16.2%)

Estimated additional annual cost per homeowner: $1,865, driven primarily by flood

Infrastructure: 0.335% avg pipe failure probability, 33% of ZIPs at high risk

62.3% of homes built before 1978 (lead paint era)

Violation History (2021–2024)

→ Stable trend

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

2021
4 (4 health)
2024
4 (4 health)

Peak year: 2021 with 4 violations. Past 5 years: 8 total (8 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 10.1% (national: 8.9%)
Diabetes 16.2% (national: 10.5%)
Obesity 43.8% (national: 32.4%)

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

Infrastructure Overview

1973
Median Build Year
62.3%
Pre-1978 Housing
34%
Pipe Failure Probability
33%
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: $1,865

Flood $1,700/yr
Energy Code Gap $90/yr
Water / Lead $75/yr

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

Housing Age Distribution

22,970 housing units in Warren County

Pre-1940 8%
1940–1959 15%
1960–1979 31%
1980–1999 29%
2000+ 17%

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 Warren County

$117K
Median Home Value
$1,400
Est. Remediation Cost
1.2%
of Home Value
Remediation as % of home value low burden

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

Asthma 10.1% (US avg: 8.9%)
Diabetes 16.2% (US avg: 11%)
Obesity 43.8% (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 Warren County ranked by EPA violation count.

# Water System Population Violations
1 Culkin Water District 11,730 16
2 CITY OF VICKSBURG 29,238 16
3 Hilldale Water District 5,578 16
4 Fisher Ferry Water District 5,094 16
5 Yokena-jeff Davis Water District Inc. 2,360 16

10 total water systems serve Warren County.

All ZIP Codes in Warren County

6 ZIP codes tracked in Warren County.

# ZIP Code City Safety Score Grade Violations Home Value
1 39182 Vicksburg 94 A 4 (1 health)
2 39189 Walnut Grove 91 A 2 $89K
3 39181 Vicksburg 84 B 4 (1 health)
4 39183 Vicksburg 79 B 4 (1 health) $158K
5 39180 Vicksburg 74 B 4 (1 health) $145K
6 39156 Redwood 60 C 0 $55K

Recommended Buyer Guides for Warren 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.

Overview

Warren County in Mississippi covers 6 ZIP codes with an average Home Safety Score of B (80/100).

5 of 6 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 Warren County?
Warren County receives a grade of B, indicating generally safe tap water across its 6 ZIP codes.
How many water systems serve Warren County?
Warren County is served by 10 public water systems that supply drinking water to residents across 6 ZIP codes.
What is the biggest environmental risk in Warren County?
The primary environmental risk factor in Warren County is flood. This contributes to an estimated additional annual cost of $1,865 per homeowner.
How old are homes in Warren County?
The median home build year in Warren County is 1973. 62.3% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Warren County compare to Mississippi?
Warren County has an average water safety score of 80/100, which is below the Mississippi state average of 81/100.

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