Jefferson Davis County, Mississippi
3 ZIP codes · Avg score 95/100 · Grade A · Updated 2026-06-04
Recent water monitoring in Jefferson Davis County shows 3 ZIP codes with consistently safe results.
How Jefferson Davis County Compares
How Jefferson Davis County Compares
Jefferson Davis County scores 14 points above the Mississippi state average (81/100) and 27 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
Key Risk Factors
Health risk index: 18.4 (asthma 10.7%, diabetes 21.8%)
Estimated additional annual cost per homeowner: $1,657, driven primarily by sea_level
Infrastructure: 0.313% avg pipe failure probability
54% of homes built before 1978 (lead paint era)
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,657
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
4,728 housing units in Jefferson Davis County
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 Jefferson Davis County
Remediation costs are relatively manageable for most homeowners in Jefferson Davis 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 Jefferson Davis County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Jefferson Davis County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Good Hope Water Association | 2,809 | 10 |
| 2 | Town of Bassfield | 1,199 | 10 |
| 3 | Bunker Hill Water Association | 2,700 | 10 |
| 4 | Northeast Jeff Davis W/a | 2,400 | 10 |
| 5 | Lily Rose W/a #1 | 1,675 | 10 |
11 total water systems serve Jefferson Davis County.
All ZIP Codes in Jefferson Davis County
3 ZIP codes tracked in Jefferson Davis County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 39427 | Carson | 99 | A | 0 | — |
| 2 | 39474 | Prentiss | 94 | A | 7 (1 health) | $87K |
| 3 | 39421 | Bassfield | 93 | A | 3 | $109K |
Recommended Buyer Guides for Jefferson Davis 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.
- Best Lead Paint Test Kits — 54% of homes built before 1978
Overview
Jefferson Davis County in Mississippi covers 3 ZIP codes with an average Home Safety Score of A (95/100).
2 of 3 ZIP codes have recorded EPA violations. 1 health-based violation have been documented.
← Back to Mississippi water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.