Jasper County, South Carolina
3 ZIP codes · Avg score 80/100 · Grade B · Updated 2026-06-04
Throughout Jasper County, the 3 monitored ZIP codes show low violation rates and healthy safety scores — a pattern that puts the county well above the state baseline for drinking water quality.
How Jasper County Compares
How Jasper County Compares
Jasper County scores 2 points above the South Carolina state average (78/100) and 12 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
Key Risk Factors
Health risk index: 14.8 (asthma 9.7%, diabetes 17%)
Estimated additional annual cost per homeowner: $4,193, driven primarily by sea_level
Infrastructure: 0.243% avg pipe failure probability
36% 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: $4,193
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
10,107 housing units in Jasper 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 Jasper County
Remediation costs are relatively manageable for most homeowners in Jasper 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 Jasper County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 3 systems in Jasper County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Bjw&sa (0720003) | 145,634 | 2 |
| 2 | Palmetto Mhp 2 (sc2760013) | 48 | 2 |
| 3 | Ridgeland Town of (2710001) | 2,678 | 0 |
All ZIP Codes in Jasper County
3 ZIP codes tracked in Jasper County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 29927 | Hardeeville | 89 | A | 2 | $350K |
| 2 | 29936 | Ridgeland | 85 | A | 0 | $202K |
| 3 | 29943 | Tillman | 66 | C | 0 | — |
Recommended Buyer Guides for Jasper County
Eight risk categories drive the selection — PFAS exceedance, lead above EPA action level, pre-1978 housing share, EPA Radon Zone 1, flood-top-risk, wildfire-top-risk, multi-contaminant load, and a baseline fallback — and each category maps to a specific buyer-guide track that surfaces when the county data hits its threshold for that hazard signal.
- Best Water Testing Kits — Baseline water quality check for your ZIP
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant peace of mind
Overview
Jasper County in South Carolina covers 3 ZIP codes with an average Home Safety Score of B (80/100).
1 of 3 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← Back to South Carolina 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.