What EPA's radon map says about Reno County

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

Where Reno County sits nationally

About 61,417 people live in Reno County, Kansas, spread over 1,255.307 square miles. Averaged across its land area, Reno County runs about 49 people per square mile. Among counties sharing Reno County's EPA zone, it outranks 71% of them by population. Reno County falls in EPA Radon Region 7, one of 412 counties nationally EPA assigns to that same geologic province.

Why the zone isn't the answer by itself

Reno County's Zone 2 prediction clears the 1.3 pCi/L national indoor average without reaching EPA's own 4 pCi/L point for recommending a fix. Middle-of-the-pack doesn't mean risk-free for any one Reno County address — a moderate county average still leaves individual homes to test either side of it.

Testing and mitigation in Reno County

Mitigation cost doesn't depend on Reno 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 Kansas's state radon program

Reno County's test kit answers today; a Airthings radon monitor keeps answering for Reno 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

Every figure on this page traces to EPA's own Map of Radon Zones and Census data, documented in the methodology guide. Whatever zone Reno County carries, the zone explainer covers what it does and doesn't tell you about any one house.