Orangeburg County, South Carolina
18 ZIP codes · Avg score 87/100 · Grade A · Updated 2026-06-04
In current tracking cycles, Orangeburg County — spanning 18 ZIP codes — records above-average water quality outcomes; the county's compliance history over recent years shows few departures from federal standards.
How Orangeburg County Compares
How Orangeburg County Compares
Orangeburg County scores 9 points above the South Carolina state average (78/100) and 19 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
ZIP Code Risk Map
Water Quality Map: Orangeburg 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 10.9%, diabetes 18.8%)
Estimated additional annual cost per homeowner: $2,347, driven primarily by sea_level
Infrastructure: 0.311% avg pipe failure probability, 6% of ZIPs at high risk
54.8% 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: $2,347
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
44,102 housing units in Orangeburg 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 Orangeburg County
Remediation costs are relatively manageable for most homeowners in Orangeburg 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 Orangeburg County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Orangeburg County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | ORANGEBURG DPU (SC3810001) | 46,896 | 4 |
| 2 | Eutawville Town of (3810006) | 555 | 3 |
| 3 | Norway Town of (3810008) | 775 | 3 |
| 4 | Silver Springs W/d (sc3820002) | 2,660 | 1 |
| 5 | Bowman Town of (sc3810004) | 1,274 | 0 |
17 total water systems serve Orangeburg County.
All ZIP Codes in Orangeburg County
18 ZIP codes tracked in Orangeburg County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 29018 | Bowman | 99 | A | 0 | $115K |
| 2 | 29107 | Neeses | 99 | A | 1 | $83K |
| 3 | 29117 | Orangeburg | 99 | A | 0 | — |
| 4 | 29146 | Springfield | 99 | A | 0 | $93K |
| 5 | 29112 | North | 95 | A | 0 | $83K |
| 6 | 29118 | Orangeburg | 95 | A | 0 | $161K |
| 7 | 29142 | Santee | 95 | A | 0 | $167K |
| 8 | 29059 | Holly Hill | 90 | A | 0 | $111K |
| 9 | 29115 | Orangeburg | 90 | A | 0 | $96K |
| 10 | 29116 | Orangeburg | 90 | A | 0 | — |
| 11 | 29432 | Branchville | 90 | A | 0 | $145K |
| 12 | 29048 | Eutawville | 89 | A | 3 | $96K |
| 13 | 29039 | Cordova | 73 | B | 0 | $53K |
| 14 | 29133 | Rowesville | 73 | B | 0 | $129K |
| 15 | 29135 | Saint Matthews | 73 | B | 0 | $151K |
| 16 | 29163 | Vance | 73 | B | 0 | $59K |
| 17 | 29113 | Norway | 69 | C | 3 | $88K |
| 18 | 29030 | Cameron | 66 | C | 0 | $175K |
Recommended Buyer Guides for Orangeburg County
Editorial-only picks, screened against the EPA detections on file.
- Best Water Filters for Lead — Lead above EPA action level in 1 ZIP code
- Best Lead Paint Test Kits — 54.8% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Orangeburg County, South Carolina
Overview
Orangeburg County in South Carolina covers 18 ZIP codes with an average Home Safety Score of A (87/100).
3 of 18 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.