Prentiss County, Mississippi
5 ZIP codes · Avg score 94/100 · Grade A · Updated 2026-06-04
Across Prentiss County's 5 ZIP codes, EPA compliance data shows above-average performance — violation rates are minimal, none of the county's systems have triggered health-based MCL exceedances in recent cycles, and the county's scores have stayed above the national baseline across every recent reporting period.
How Prentiss County Compares
How Prentiss County Compares
Prentiss County scores 13 points above the Mississippi state average (81/100) and 26 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
ZIP Code Risk Map
Water Quality Map: Prentiss County, Mississippi
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.9 (asthma 9.9%, diabetes 13.9%)
Estimated additional annual cost per homeowner: $212, driven primarily by flood
Infrastructure: 0.355% avg pipe failure probability
55% 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: $212
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
12,689 housing units in Prentiss 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 Prentiss County
Remediation costs are relatively manageable for most homeowners in Prentiss 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 Prentiss 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 Prentiss County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Wheeler-frankstown Water Assn | 4,203 | 23 |
| 2 | Big V Water Association | 3,878 | 22 |
| 3 | New Site Water Association | 1,373 | 22 |
| 4 | Town of Baldwyn | 3,066 | 20 |
| 5 | Keownville Rural Water Assn | 2,663 | 19 |
22 total water systems serve Prentiss County.
All ZIP Codes in Prentiss County
5 ZIP codes tracked in Prentiss County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 38859 | New Site | 99 | A | 1 | $133K |
| 2 | 38856 | Marietta | 97 | A | 2 | $112K |
| 3 | 38880 | Wheeler | 97 | A | 1 | — |
| 4 | 38829 | Booneville | 93 | A | 12 (2 health) | $122K |
| 5 | 38824 | Baldwyn | 84 | B | 7 | $94K |
Recommended Buyer Guides for Prentiss County
Filtered against federal data, fitted to local risks.
- Best Lead Paint Test Kits — 55% of homes built before 1978
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Prentiss County, Mississippi
Overview
Prentiss County in Mississippi covers 5 ZIP codes with an average Home Safety Score of A (94/100).
5 of 5 ZIP codes have recorded EPA violations. 2 health-based violations 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.