North Carolina Contamination Data

State Contamination Profile

Moderate Risk Level45,236 documented sites
North Carolina ranks 16th of 50 states by severity-weighted density — a screening measure of how much documented history sits in the federal record per square mile. That describes the record, not any single yard: the map shows where each documented site actually sits.

Total Sites

45,236

9 federal databases

Severity Density

1.27

Severity-weighted sites per sq mi

High-Severity Sites

753

Superfund NPL, PFAS detections + similar top-tier records

Data Sources

EPA, USGS

9 databases checked

High-severity counts the top severity tier of the record — the sites most worth checking distances against.

Source Breakdown

Top Counties in North Carolina

New Hanover County carries North Carolina's densest documented record — 8.22 severity-weighted sites per square mile across 1,098 records, most commonly Underground Storage Tanks, including 23 high-severity sites. Density describes the county's record, not any single parcel.

Agricultural Pesticide Use in North Carolina

In the 2019 federal survey estimates, North Carolina's most-applied agricultural pesticides statewide were Glyphosate, 2,4-D and Atrazine. These estimates describe agricultural land use across the state — context for what's in use around the region, not a reading on any garden's soil.

Pesticide data: USGS NAWQA Pesticide National Synthesis Project (EPest county-level use estimates). Latest available county estimates: 2019.

County-Level Detail in North Carolina

The federal record isn't uniform across a state. Here's what's documented around North Carolina's counties with the densest records — each read from that county's own sites, not the state average. Proximity is information, not a diagnosis; a soil test settles any near neighbor.

Is It Safe to Grow Food in New Hanover County?

Federal record: High

We checked the federal record around New Hanover County1,098 documented sites across 7 of the 9 source types we track, 23 of them high-severity.

The most significant on record: 17 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

New Hanover County carries one of the heavier federal records we track — 1,098 documented sites, most of them underground storage tanks. That's a record of the area's history, not a verdict on any one yard: proximity to a documented site is information, not a diagnosis. Before food beds go in, a professional soil test tells you exactly what you're working with — and raised beds with clean imported soil grow well almost anywhere in the meantime.

Documented sites nearest the New Hanover County center

  • Nc-732Underground Storage Tanks · ~0.4 km from the county center
  • Tidal MarketUnderground Storage Tanks · ~0.4 km from the county center
  • Crown Point MarineUnderground Storage Tanks · ~1.3 km from the county center

These are the closest documented sites to New Hanover County's geographic center — a screening reference, not a reading on any specific address. Check your own North Carolina parcel to see what's actually near you.

Is It Safe to Grow Food in Mecklenburg County?

Federal record: High

We checked the federal record around Mecklenburg County3,196 documented sites across 7 of the 9 source types we track, 45 of them high-severity.

The most significant on record: 43 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

Mecklenburg County carries one of the heavier federal records we track — 3,196 documented sites, most of them underground storage tanks. That's a record of the area's history, not a verdict on any one yard: proximity to a documented site is information, not a diagnosis. Before food beds go in, a professional soil test tells you exactly what you're working with — and raised beds with clean imported soil grow well almost anywhere in the meantime.

Documented sites nearest the Mecklenburg County center

  • 1830 Industrial ParkUnderground Storage Tanks · ~0.2 km from the county center
  • Eckerd Corp.Underground Storage Tanks · ~0.2 km from the county center
  • Eckerd Drug CoBrownfields · ~0.2 km from the county center

These are the closest documented sites to Mecklenburg County's geographic center — a screening reference, not a reading on any specific address. Check your own North Carolina parcel to see what's actually near you.

Check an Address in North Carolina

Free Report

Read your North Carolina parcel

See exact proximity distances to contamination sources for your specific parcel — plus soil, sun, drainage, and 1,112 plant recommendations.

Three things about your exact spot that zone averages miss:

Your soil pHYour frost-free daysYour sun & shade

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources analyzed in seconds

EPA FRS CERCLISArcGIS Online UST FinderEPA FRS TRIEPA FRS ACRESEPA UCMR 5USGS Water Quality PortalEPA FRS NPDESUSGS MRDSUSGS NAWQA EPest