What EPA's radon map says about Albemarle County

EPA's own radon map rates Albemarle County zone 2 - moderate potential, predicting a county-wide average indoor level between 2 and 4 pCi/L. That puts Albemarle County in the 60th percentile nationally for radon potential — higher than 60% of the counties EPA has rated.

How Albemarle County compares

About 117,313 people live in Albemarle County, Virginia, spread over 720.477 square miles. Population density there runs about 163 people per square mile. Among counties sharing Albemarle County's EPA zone, it outranks 83% of them by population. Albemarle County falls in EPA Radon Region 3, one of 245 counties nationally EPA assigns to that same geologic province.

What this actually means for a house in Albemarle County

Neither at the 4 pCi/L action level nor down at the roughly 1.3 pCi/L national indoor norm, Albemarle County's Zone 2 prediction lands in the gap between the two. Middle-of-the-pack doesn't mean risk-free for any one Albemarle County address — a moderate county average still leaves individual homes to test either side of it.

Testing and mitigation in Albemarle County

Mitigation cost doesn't depend on Albemarle 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

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

More on how this number was built

Albemarle County's zone, rank and region all trace back to named EPA and Census sources — the methodology guide lists exactly which ones. The guide to what a radon zone actually means covers why testing matters in every zone, not just Zone 1.