Is Buffalo County, NE a radon risk area?

Buffalo County is mapped as Zone 2 - Moderate Potential by EPA — meaning the county-wide average indoor level is predicted between 2 and 4 pCi/L. Nationally, Buffalo County ranks higher in radon potential than 55% of rated counties (the 55th percentile).

Where Buffalo County sits nationally

About 51,156 people live in Buffalo County, Nebraska, spread over 968.246 square miles. That works out to roughly 53 people per square mile. Rank 339 by population within its EPA zone puts Buffalo County at the 67th percentile among zone peers. Buffalo County falls in EPA Radon Region 7, one of 412 counties nationally EPA assigns to that same geologic province.

What this actually means for a house in Buffalo County

Neither at the 4 pCi/L action level nor down at the roughly 1.3 pCi/L national indoor norm, Buffalo County's Zone 2 prediction lands in the gap between the two. Buffalo County's Zone 2 rating sits in the middle nationally; EPA's guidance is unchanged by that — test every home regardless of its zone.

If Buffalo County tests above the action level

Nothing about Buffalo County's EPA zone changes the mitigation number: $800–$2,500 nationally (around $1,200 typical), set by the house's foundation rather than the county it sits in — and only relevant once a test actually clears 4 pCi/L.

Find Nebraska's state radon program

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

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