Calhoun County, Mississippi
8 ZIP codes · Avg score 76/100 · Grade B · Updated 2026-06-03
Calhoun County — 8 ZIP codes, above-average safety grade.
How Calhoun County Compares
How Calhoun County Compares
Calhoun 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
ZIP Code Risk Map
Water Quality Map: Calhoun County, Mississippi
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 17 (asthma 10.2%, diabetes 18.2%)
Estimated additional annual cost per homeowner: $479, driven primarily by flood
Infrastructure: 0.366% avg pipe failure probability, 43% of ZIPs at high risk
60.7% of homes built before 1978 (lead paint era)
Violation History (2022–2024)
→ Stable trendEPA violation counts by year across Calhoun County water systems. Health-based shown in red, total in blue.
Peak year: 2022 with 4 violations. Past 5 years: 7 total (7 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
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: $479
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
6,419 housing units in Calhoun 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 Calhoun County
Remediation costs are relatively manageable for most homeowners in Calhoun 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 Calhoun 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 Calhoun County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Town of Vardaman | 1,610 | 18 |
| 2 | Poplar Springs W/a #2 | 627 | 18 |
| 3 | Atlanta Water System, Inc. | 700 | 18 |
| 4 | Mt Comfort W/a | 1,085 | 17 |
| 5 | Poplar Springs W/a #1 | 645 | 14 |
17 total water systems serve Calhoun County.
All ZIP Codes in Calhoun County
8 ZIP codes tracked in Calhoun County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 38839 | Derma | 97 | A | 2 | $103K |
| 2 | 38951 | Pittsboro | 95 | A | 3 | $56K |
| 3 | 38916 | Calhoun City | 81 | B | 9 (3 health) | $81K |
| 4 | 38915 | Bruce | 80 | B | 5 | $87K |
| 5 | 38914 | Big Creek | 73 | B | 0 | $73K |
| 6 | 38913 | Banner | 66 | C | 0 | $155K |
| 7 | 38955 | Slate Spring | 66 | C | 0 | — |
| 8 | 38878 | Vardaman | 53 | D | 9 | $78K |
Recommended Buyer Guides for Calhoun County
Four sources — EPA, NSF, FEMA, CDC — drive the match.
- Best Lead Paint Test Kits — 60.7% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- 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 Calhoun County, Mississippi
Overview
Calhoun County in Mississippi covers 8 ZIP codes with an average Home Safety Score of B (76/100).
5 of 8 ZIP codes have recorded EPA violations. 3 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.