Calhoun County, Florida
3 ZIP codes · Avg score 80/100 · Grade B · Updated 2026-06-03
Although county size varies, Calhoun County's 3 ZIP codes share reliably safe tap water records and above-average compliance scores.
How Calhoun County Compares
How Calhoun County Compares
Calhoun County scores 7 points above the Florida state average (73/100) and 12 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Health risk index: 15.9 (asthma 10.6%, diabetes 15.2%)
Estimated additional annual cost per homeowner: $3,210, driven primarily by sea_level
Infrastructure: 0.263% avg pipe failure probability
57.3% 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: $3,210
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
5,018 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 4 systems in Calhoun County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | City of Wewahitchka, | 2,081 | 11 |
| 2 | Gulf Correctional Institution | 1,701 | 11 |
| 3 | Altha, Town of Water System | 800 | 5 |
| 4 | City of Blountstown, | 3,500 | 5 |
All ZIP Codes in Calhoun County
3 ZIP codes tracked in Calhoun County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 32424 | Blountstown | 83 | B | 1 | $159K |
| 2 | 32449 | Wewahitchka | 81 | B | 11 | — |
| 3 | 32421 | Altha | 77 | B | 4 | $116K |
Recommended Buyer Guides for Calhoun County
Filtered against EPA monitoring data and CDC lead-exposure guidance, the guides below skip the generic catalog and connect directly to the contaminants and hazards on file here.
- Best Lead Paint Test Kits — 57.3% of homes built before 1978
Overview
Calhoun County in Florida covers 3 ZIP codes with an average Home Safety Score of B (80/100).
3 of 3 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← Back to Florida 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.