Dickson County, TN radon potential

EPA's own radon map rates Dickson County zone 2 - moderate potential, predicting a county-wide average indoor level between 2 and 4 pCi/L. That puts Dickson County in the 56th percentile nationally for radon potential — higher than 56% of the counties EPA has rated.

How Dickson County compares

Dickson County, Tennessee is home to about 57,641 people across 489.899 square miles. Averaged across its land area, Dickson County runs about 118 people per square mile. Within its own EPA zone, Dickson County is bigger by population than 70% of the counties that share it. Dickson 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 Dickson County

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 Dickson County's Zone 2 prediction. Nothing about a Zone 2 label lowers the case for testing in Dickson County — EPA recommends it in every zone, moderate included.

Next steps for a home in Dickson 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 Tennessee's state radon program

For Dickson County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Dickson 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 Dickson 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.