Williamsburg County, South Carolina
7 ZIP codes · Home Safety Score unavailable · 0 of 7 tracked ZIP records scored
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData
ZIP Code Risk Map
Water Quality Map: Williamsburg County, South Carolina
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 16.9 (asthma 10.9%, diabetes 20.4%)
Modeled additional annual cost estimate per homeowner: $3,580, largest modeled factor: Sea Level
45% 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: $3,580
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
15,526 housing units in Williamsburg County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Health Outcomes vs National Average
CDC PLACES data for Williamsburg County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems mapped to Williamsburg County ZIP codes
5 community water systems mapped to Williamsburg County ZIP codes; EPA may list more systems serving the county.
Systems with the most violations in Williamsburg County
3 water systems with violations in EPA records.
All ZIP Codes in Williamsburg County
7 ZIP codes tracked in Williamsburg County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 29056 | Greeleyville | — | — | 10 | $74K |
| 2 | 29518 | Cades | — | — | 8 | $151K |
| 3 | 29556 | Kingstree | — | — | 8 | $101K |
| 4 | 29560 | Lake City | — | — | 1 | $108K |
| 5 | 29564 | Lane | — | — | $79K | |
| 6 | 29580 | Nesmith | — | — | $86K | |
| 7 | 29590 | Salters | — | — | 8 | $75K |
Recommended Buyer Guides for Williamsburg County
Selection follows a fixed set of rules applied to local records: signals such as PFAS detections, lead action-level exceedances on record, a large share of pre-1978 housing, EPA Radon Zone 1, or a top flood or wildfire risk each add a related guide, and when none applies, general water testing and filtration guides are shown instead.
- Best Water Testing Kits — Baseline water quality check for your ZIP
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant peace of mind
Deep Dive Reports
Detailed analysis for Williamsburg County, South Carolina
Overview
Williamsburg County in South Carolina covers 7 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.
5 of 5 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.