Barnwell County, South Carolina
4 ZIP codes · Home Safety Score unavailable · 0 of 4 tracked ZIP records scored
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData
Key Risk Factors
Health risk index: 17.1 (asthma 11%, diabetes 19.4%)
Modeled additional annual cost estimate per homeowner: $1,858, largest modeled factor: Sea Level
40% of homes built before 1980 (lead paint was banned for residential use in 1978)
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINSA infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,858
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
5,610 housing units in Barnwell County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Health Outcomes vs National Average
CDC PLACES data for Barnwell County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems mapped to Barnwell County ZIP codes
3 community water systems mapped to Barnwell County ZIP codes; EPA may list more systems serving the county.
Systems with the most violations in Barnwell County
2 water systems with violations in EPA records.
All ZIP Codes in Barnwell County
4 ZIP codes tracked in Barnwell County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 29813 | Hilda | — | — | — | |
| 2 | 29817 | Blackville | — | — | 3 | $80K |
| 3 | 29826 | Elko | — | — | — | |
| 4 | 29853 | Williston | — | — | 1 | $101K |
Recommended Buyer Guides for Barnwell County
The mix of guides changes from county to county.
- Best Water Testing Kits — Baseline water quality check for your ZIP
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant peace of mind
Overview
Barnwell County in South Carolina covers 4 tracked ZIP records. No Home Safety Score is published because the required model evidence is incomplete for every tracked record; missing evidence is not treated as zero.
2 of 2 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. The available record reports no health-based violations for this measured scope.
← Back to South Carolina Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.