Harnett County borders Fort Liberty (formerly Fort Bragg) to the south, home to about 140,000 residents. Harnett County draws from the Cape Fear River.
Harnett County borders Fort Liberty (formerly Fort Bragg) to the south, home to about 140,000 residents. Harnett County draws from the Cape Fear River. The county's proximity to the military installation and its position on the Cape Fear River link it to both military PFAS sources and the downstream Chemours contamination.
Harnett County is affected by PFAS from multiple sources – Fort Liberty's AFFF use and the broader Cape Fear River basin contamination. According to NC DEQ's 2024 monitoring data, PFAS compounds have been detected in the county's Cape Fear River intake. UCMR5 data confirms ongoing detections.
The Cape Fear River at Harnett County is upstream of the Chemours facility, but downstream of Fort Liberty and other upstream sources. The county has invested in treatment to address PFAS.
Harnett County's position on the Cape Fear River with military PFAS sources nearby makes monitoring important.
Check your water for current PFAS data. Reverse osmosis provides strong household protection. Our water filter guide covers options. Pull your detailed report, and visit our North Carolina page for statewide data.
Drinking water is one exposure route. These federal datasets also cover Harnett County, NC.
The EPA places Harnett County, NC in Zone 3 - the EPA's lowest-risk category, with a predicted average indoor radon level below 2 pCi/L. Zone maps predict an area's radon potential from geology and existing indoor readings; they say nothing about a specific house. Testing is the only way to know your own level.
29% of homes in Harnett County, NC were built before 1980, and 7% before 1950. Residential lead paint was banned in 1978, so housing age is the strongest available proxy for lead-paint exposure. This describes the county's housing stock, not any one home.
Modelled annual fine-particle pollution (PM2.5) in Harnett County, NC averages 7.7 µg/m³, within the EPA's annual standard of 9 µg/m³. These are CDC modelled county estimates rather than readings from a specific monitor.
How radon zones work · Air quality by county · Lead exposure guide