Charlotte County, VA radon potential
Charlotte County is mapped as Zone 2 - Moderate Potential by EPA — meaning the county-wide average indoor level is predicted between 2 and 4 pCi/L. Charlotte County sits at the 41st percentile nationally for radon potential — above 41 of every 100 rated counties.
Charlotte County by the numbers
Charlotte County, Virginia is home to about 11,258 people across 475.296 square miles. Averaged across its land area, Charlotte County runs about 24 people per square mile. Within its own EPA zone, Charlotte County is bigger by population than 23% of the counties that share it. EPA's geology-based Region 3 groups Charlotte County with 244 other counties nationally sharing its underlying rock and soil profile.
Zone vs. an actual test
Call it a middle case: above the 1.3 pCi/L most US homes average, below the 4 pCi/L line EPA uses to recommend mitigation — that's Charlotte County's Zone 2 prediction. Middle-of-the-pack doesn't mean risk-free for any one Charlotte County address — a moderate county average still leaves individual homes to test either side of it.
If Charlotte County tests above the action level
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 Virginia's state radon program
For Charlotte County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Charlotte County's levels over time. RadonZoneCheck earns a commission there, at no extra cost to you. RADONZONE-10OFF at checkout knocks 10% off.
Where Charlotte County's figures come from
Charlotte County's zone, rank and region all trace back to named EPA and Census sources — the methodology guide lists exactly which ones. Whatever zone Charlotte County carries, the zone explainer covers what it does and doesn't tell you about any one house.