COUNTY REPORT MS

Jones County, Mississippi

10 ZIP codes · Avg score 81/100 · Grade B · Updated 2026-06-03

EPA monitoring reports for Jones County cover 10 ZIP codes and tell a largely reassuring story — compliance rates are high and health-based violations are far below the national norm.

How Jones County Compares

Jones County81/100
Mississippi avg81/100
National avg68/100

How Jones County Compares

B
County Grade
81/100
Avg Safety Score
10
ZIP Codes
26
Water Systems

Jones County scores 0 points above the Mississippi state average (81/100) and 13 points above the national average (68/100).

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

B
County Grade
81
Avg Safety Score
10
ZIP Codes
Best ZIP: 39439 (91/100)
Lowest ZIP: 39436 (66/100)
$142K
Median Home Value
$1,267
Avg Remediation (89% of home value)

ZIP Code Risk Map

Water Quality Map: Jones 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: 15.7 (asthma 9.9%, diabetes 16%)

Estimated additional annual cost per homeowner: $3,501, driven primarily by sea_level

Infrastructure: 0.356% avg pipe failure probability, 22% of ZIPs at high risk

57.1% of homes built before 1978 (lead paint era)

Violation History (2022–2024)

→ Stable trend

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

2022
6 (6 health)
2023
6 (6 health)
2024
9 (9 health)

Peak year: 2024 with 9 violations. Past 5 years: 21 total (21 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 9.9% (national: 8.9%)
Diabetes 16% (national: 10.5%)
Obesity 41.6% (national: 32.4%)

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

Infrastructure Overview

1980
Median Build Year
57.1%
Pre-1978 Housing
36%
Pipe Failure Probability
22%
ZIPs at High Infra Risk
Moderate
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: $3,501

Sea Level Rise $2,400/yr
Flood $660/yr
Wildfire $300/yr

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

Housing Age Distribution

29,094 housing units in Jones County

Pre-1940 7%
1940–1959 12%
1960–1979 30%
1980–1999 29%
2000+ 22%

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 Jones County

$142K
Median Home Value
$1,267
Est. Remediation Cost
0.9%
of Home Value
Remediation as % of home value low burden

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

Asthma 9.9% (US avg: 8.9%)
Diabetes 16% (US avg: 11%)
Obesity 41.6% (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 Jones County ranked by EPA violation count.

# Water System Population Violations
1 Pleasant Ridge W/a 5,808 35
2 City of Laurel 18,100 33
3 Calhoun Water Association 3,730 33
4 Glade Waterworks Assn 3,340 33
5 Philadelphia Water Assn 2,062 28

26 total water systems serve Jones County.

All ZIP Codes in Jones County

10 ZIP codes tracked in Jones County.

# ZIP Code City Safety Score Grade Violations Home Value
1 39439 Heidelberg 91 A 2 $115K
2 39480 Soso 91 A 2 $159K
3 39477 Sandersville 85 A 19 (5 health) $102K
4 39459 Moselle 84 B 4 $152K
5 39441 Laurel 83 B 7
6 39442 Laurel 83 B 7
7 39443 Laurel 78 B 7 $142K
8 39440 Laurel 73 B 7 $112K
9 39437 Ellisville 72 B 5 $174K
10 39436 Eastabuchie 66 C 0

Recommended Buyer Guides for Jones 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

Jones County in Mississippi covers 10 ZIP codes with an average Home Safety Score of B (81/100).

9 of 10 ZIP codes have recorded EPA violations. 5 health-based violations have been documented.

← Back to Mississippi water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Jones County?
Jones County receives a grade of B, indicating generally safe tap water across its 10 ZIP codes.
How many water systems serve Jones County?
Jones County is served by 26 public water systems that supply drinking water to residents across 10 ZIP codes.
What is the biggest environmental risk in Jones County?
The primary environmental risk factor in Jones County is sea_level. This contributes to an estimated additional annual cost of $3,501 per homeowner.
How old are homes in Jones County?
The median home build year in Jones County is 1980. 57.1% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Jones County compare to Mississippi?
Jones County has an average water safety score of 81/100, which is above the Mississippi state average of 81/100.

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