What EPA's radon map says about Bledsoe County

Bledsoe County is mapped as Zone 3 - Low Potential by EPA — meaning the county-wide average indoor level is predicted below 2 pCi/L. Nationally that's the 11th percentile for radon potential — Bledsoe County outranks 11% of every county EPA has rated.

How Bledsoe County compares

About 15,591 people live in Bledsoe County, Tennessee, spread over 406.555 square miles. Averaged across its land area, Bledsoe County runs about 38 people per square mile. Among counties sharing Bledsoe County's EPA zone, it outranks 32% of them by population. Bledsoe County falls in EPA Radon Region 4, one of 736 counties nationally EPA assigns to that same geologic province.

Why the zone isn't the answer by itself

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

Testing and mitigation in Bledsoe County

Mitigation cost doesn't depend on Bledsoe County's zone — it depends on the house's foundation. A typical system runs $800–$2,500 (about $1,200 typical), and testing first is what tells you whether that's needed at all.

Find Tennessee's state radon program

Bledsoe County's test kit answers today; a Airthings radon monitor keeps answering for Bledsoe County over time. Affiliate link, RadonZoneCheck earns a commission there, at no extra cost to you. Code RADONZONE-10OFF takes 10% off at checkout.

More on how this number was built

The methodology guide shows exactly which EPA and Census sources feed Bledsoe County's numbers. If you're unsure why a low zone still deserves a test, the zone explainer covers that directly.