What EPA's radon map says about Bland County

EPA's own radon map rates Bland County zone 1 - highest potential, predicting a county-wide average indoor level above 4 pCi/L. Nationally that's the 72nd percentile for radon potential — Bland County outranks 72% of every county EPA has rated.

Where Bland County sits nationally

About 6,186 people live in Bland County, Virginia, spread over 357.645 square miles. Population density there runs about 17 people per square mile. Among counties sharing Bland County's EPA zone, it outranks 18% of them by population. Bland County falls in EPA Radon Region 3, one of 245 counties nationally EPA assigns to that same geologic province.

Why the zone isn't the answer by itself

Fixing a home becomes an EPA recommendation past 4 pCi/L, and that is precisely the side of the line Bland County's Zone 1 prediction lands on, well above the roughly 1.3 pCi/L most US homes average. Some Bland County homes will test comfortably under the action level despite the county's Zone 1 rating — the only way to know which kind of home you have is an actual test.

Next steps for a home in Bland County

Mitigation cost doesn't depend on Bland 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 Virginia's state radon program

Bland County's test kit answers today; a Airthings radon monitor keeps answering for Bland 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 Bland County's numbers. The guide to what a radon zone actually means covers why testing matters in every zone, not just Zone 1.