Chatham County, North Carolina
8 ZIP codes · Avg score 75/100 · Grade B · Updated 2026-06-04
Water systems in Chatham County serve 8 ZIP codes with few reported safety events.
How Chatham County Compares
How Chatham County Compares
Chatham County scores 2 points above the North Carolina state average (73/100) and 7 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
ZIP Code Risk Map
Water Quality Map: Chatham 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: 13.1 (asthma 10.4%, diabetes 12.6%)
Estimated additional annual cost per homeowner: $684, driven primarily by flood
Infrastructure: 0.365% avg pipe failure probability, 33% of ZIPs at high risk
55.5% 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: $684
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
22,814 housing units in Chatham 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 Chatham County
Remediation costs are relatively manageable for most homeowners in Chatham 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 Chatham 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 Chatham County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Chatham Company-sw Chatham | 2,470 | 22 |
| 2 | Chatham Company-asbury | 1,540 | 22 |
| 3 | GOLDSTON-GULF SANITARY DIST | 1,187 | 11 |
| 4 | Chapel Ridge S/d | 2,098 | 11 |
| 5 | Pittsboro, Town of | 6,060 | 7 |
13 total water systems serve Chatham County.
All ZIP Codes in Chatham County
8 ZIP codes tracked in Chatham County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 27312 | Pittsboro | 88 | A | 7 (2 health) | $423K |
| 2 | 27344 | Siler City | 85 | A | 4 | $177K |
| 3 | 27252 | Goldston | 80 | B | 11 | $168K |
| 4 | 27562 | New Hill | 73 | B | 0 | $590K |
| 5 | 28355 | Lemon Springs | 73 | B | 0 | — |
| 6 | 27207 | Bear Creek | 66 | C | 0 | $189K |
| 7 | 27237 | Cumnock | 66 | C | 0 | — |
| 8 | 27256 | Gulf | 66 | C | 0 | — |
Recommended Buyer Guides for Chatham County
Where county records show a lead exceedance or pre-1978 housing concentration, lead-specific filters and test kits move toward the top of the list.
- Best Lead Paint Test Kits — 55.5% 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 Chatham County, North Carolina
Overview
Chatham County in North Carolina covers 8 ZIP codes with an average Home Safety Score of B (75/100).
3 of 8 ZIP codes have recorded EPA violations. 2 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.