Sampson County, North Carolina
8 ZIP codes · Avg score 83/100 · Grade B · Updated 2026-06-03
Unlike many counties its size, Sampson County keeps violation rates low — all 8 ZIP codes score at or above the state average for tap water safety, with no systemic concerns flagged in the current data set.
How Sampson County Compares
How Sampson County Compares
Sampson County scores 10 points above the North Carolina state average (73/100) and 15 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Sampson County, North Carolina
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 15.4 (asthma 11.3%, diabetes 15.7%)
Estimated additional annual cost per homeowner: $1,171, driven primarily by flood
Infrastructure: 0.313% avg pipe failure probability
43.7% of homes built before 1978 (lead paint era)
Violation History (2022–2024)
→ Stable trendEPA violation counts by year across Sampson County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 2 violations. Past 5 years: 3 total (3 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: $1,171
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
8,264 housing units in Sampson 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 Sampson County
Remediation costs are relatively manageable for most homeowners in Sampson 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 Sampson 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 Sampson County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Charlotte Water | 1,163,701 | 38 |
| 2 | Fairfield Harbour | 5,514 | 38 |
| 3 | Carolina Trace Water System | 4,516 | 38 |
| 4 | North River/mill Creek Water Service Dis | 4,417 | 38 |
| 5 | Whispering Pines Development | 4,178 | 38 |
18 total water systems serve Sampson County.
All ZIP Codes in Sampson County
8 ZIP codes tracked in Sampson County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 28329 | Clinton | 98 | A | 10 (1 health) | — |
| 2 | 28393 | Turkey | 94 | A | 4 (1 health) | $70K |
| 3 | 28382 | Roseboro | 87 | A | 0 | $119K |
| 4 | 28385 | Salemburg | 87 | A | 2 | $129K |
| 5 | 28282 | Charlotte | 83 | B | 38 (12 health) | — |
| 6 | 28444 | Harrells | 81 | B | 2 | — |
| 7 | 28441 | Garland | 77 | B | 5 | $105K |
| 8 | 28447 | Ivanhoe | 60 | C | 0 | $194K |
Recommended Buyer Guides for Sampson County
Filtered against federal data, fitted to local risks.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- 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 Sampson County, North Carolina
Overview
Sampson County in North Carolina covers 8 ZIP codes with an average Home Safety Score of B (83/100).
6 of 8 ZIP codes have recorded EPA violations. 14 health-based violations have been documented.
← Back to North 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.