COUNTY REPORT MS

Alcorn County, Mississippi

4 ZIP codes · Avg score 76/100 · Grade B · Updated 2026-06-03

Alcorn County maintains reliable drinking water quality across all 4 of its tracked ZIP codes.

How Alcorn County Compares

Alcorn County76/100
Mississippi avg81/100
National avg68/100

How Alcorn County Compares

B
County Grade
76/100
Avg Safety Score
4
ZIP Codes
15
Water Systems

Alcorn County scores 5 points below the Mississippi state average (81/100) and 8 points above the national average (68/100).

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

B
County Grade
76
Avg Safety Score
4
ZIP Codes
Best ZIP: 38846 (83/100)
Lowest ZIP: 38834 (67/100)
$123K
Median Home Value
$2,100
Avg Remediation (171% of home value)

Key Risk Factors

Health risk index: 15.8 (asthma 9.8%, diabetes 15%)

Estimated additional annual cost per homeowner: $518, driven primarily by flood

Infrastructure: 0.33% avg pipe failure probability

54.3% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 9.8% (national: 8.9%)
Diabetes 15% (national: 10.5%)
Obesity 40% (national: 32.4%)

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

Infrastructure Overview

1984
Median Build Year
54.3%
Pre-1978 Housing
33%
Pipe Failure Probability
0%
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: $518

Flood $450/yr
Energy Code Gap $68/yr

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

Housing Age Distribution

16,212 housing units in Alcorn County

Pre-1940 4%
1940–1959 12%
1960–1979 32%
1980–1999 33%
2000+ 18%

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 Alcorn County

$123K
Median Home Value
$2,100
Est. Remediation Cost
1.7%
of Home Value
Remediation as % of home value low burden

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

Asthma 9.8% (US avg: 8.9%)
Diabetes 15% (US avg: 11%)
Obesity 40% (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 Alcorn County ranked by EPA violation count.

# Water System Population Violations
1 Farmington Water Association 6,925 13
2 Alcorn W/a #1-indian Springs 5,456 13
3 Prentiss-alcorn Water Assn 2,318 9
4 Town of Rienzi 927 9
5 City of Corinth 15,000 8

15 total water systems serve Alcorn County.

All ZIP Codes in Alcorn County

4 ZIP codes tracked in Alcorn County.

# ZIP Code City Safety Score Grade Violations Home Value
1 38846 Glen 83 B 0 $123K
2 38835 Corinth 77 B 4
3 38865 Rienzi 76 B 5 $85K
4 38834 Corinth 67 C 4 $139K

Recommended Buyer Guides for Alcorn 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

Alcorn County in Mississippi covers 4 ZIP codes with an average Home Safety Score of B (76/100).

3 of 4 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.

← Back to Mississippi water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Alcorn County?
Alcorn County receives a grade of B, indicating generally safe tap water across its 4 ZIP codes.
How many water systems serve Alcorn County?
Alcorn County is served by 15 public water systems that supply drinking water to residents across 4 ZIP codes.
What is the biggest environmental risk in Alcorn County?
The primary environmental risk factor in Alcorn County is flood. This contributes to an estimated additional annual cost of $518 per homeowner.
How old are homes in Alcorn County?
The median home build year in Alcorn County is 1984. 54.3% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Alcorn County compare to Mississippi?
Alcorn County has an average water safety score of 76/100, which is below the Mississippi state average of 81/100.

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