Lee County, NC radon potential

Lee County is mapped as Zone 3 - Low Potential by EPA — meaning the county-wide average indoor level is predicted below 2 pCi/L. Rank it against the rest of the country and Lee County lands in the 24th percentile for radon potential.

How Lee County compares

Lee County, North Carolina is home to about 68,537 people across 255.072 square miles. Population density there runs about 269 people per square mile. Within its own EPA zone, Lee County is bigger by population than 73% of the counties that share it. Lee County falls in EPA Radon Region 4, one of 736 counties nationally EPA assigns to that same geologic province.

What this actually means for a house in Lee County

Well clear of both the 1.3 pCi/L national indoor average and EPA's 4 pCi/L action level, Lee County's Zone 3 prediction is the low end of the scale. Don't read Zone 3 as a pass for Lee County — EPA's guidance to test every home makes no exception for counties predicted low.

Testing and mitigation in Lee County

A short-term test kit is the standard first step and typically costs far less than mitigation itself. If a test comes back at or above 4 pCi/L, a radon mitigation system for a typical home runs roughly $800–$2,500 (around $1,200 for a common single-family install), driven mainly by foundation type, not by county.

Find North Carolina's state radon program

For Lee County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Lee County's levels over time. RadonZoneCheck earns a commission there, at no extra cost to you. Use code RADONZONE-10OFF at checkout for 10% off.

Where Lee County's figures come from

Every figure on this page traces to EPA's own Map of Radon Zones and Census data, documented in the methodology guide. The guide to what a radon zone actually means covers why testing matters in every zone, not just Zone 1.