Edgefield County, South Carolina
7 ZIP codes · Avg score 78/100 · Grade B · Updated 2026-07-19
ZipCheckup grade for Edgefield: B.
This ZIP looks solid, with a few items worth a quick check.
In current tracking cycles, Edgefield County - spanning 7 ZIP codes - records above-average water quality outcomes; the county's compliance history over recent years shows few departures from federal standards.
How Edgefield County Compares
How Edgefield County Compares
Edgefield County scores 0 points above the South Carolina state average (78/100) and 10 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-07-19
ZIP Code Risk Map
Water Quality Map: Edgefield 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: 16.1 (asthma 9.6%, diabetes 18.7%)
Estimated additional annual cost per homeowner: $587, driven primarily by flood
Infrastructure: 0.34% avg pipe failure probability, 29% of ZIPs at high risk
58.2% of homes built before 1978 (lead paint era)
Violation History (2021–2024)
→ Stable trendEPA violation counts by year across Edgefield County water systems. Health-based shown in red, total in blue.
Peak year: 2022 with 2 violations. Past 5 years: 4 total (4 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: $587
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
17,734 housing units in Edgefield 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 Edgefield County
Remediation costs are relatively manageable for most homeowners in Edgefield 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 Edgefield County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Edgefield County
6 community water systems serving Edgefield County.
- A
- C
- A
- A
- A
- A
Systems with the most violations in Edgefield County
2 water systems with recorded EPA violations.
- A
- C
All ZIP Codes in Edgefield County
7 ZIP codes tracked in Edgefield County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 29832 | Johnston | 99 | A | 0 | $113K |
| 2 | 29824 | Edgefield | 95 | A | 1 | $123K |
| 3 | 29860 | North Augusta | 90 | A | 1 | $249K |
| 4 | 29835 | Mc Cormick | 66 | C | 0 | $195K |
| 5 | 29844 | Parksville | 66 | C | 0 | $221K |
| 6 | 29845 | Plum Branch | 66 | C | 0 | $93K |
| 7 | 29899 | Mc Cormick | 66 | C | 0 | — |
Recommended Buyer Guides for Edgefield County
Filtered against federal data, fitted to local risks.
- Best Lead Paint Test Kits — 58.2% of homes built before 1978
- 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 Edgefield County, South Carolina
Overview
Edgefield County in South Carolina covers 7 ZIP codes with an average Home Safety Score of B (78/100).
2 of 7 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.