Butler County, NE radon potential

EPA's own radon map rates Butler County zone 1 - highest potential, predicting a county-wide average indoor level above 4 pCi/L. That puts Butler County in the 74th percentile nationally for radon potential — higher than 74% of the counties EPA has rated.

Butler County by the numbers

Butler County, Nebraska is home to about 8,439 people across 584.789 square miles. Averaged across its land area, Butler County runs about 14 people per square mile. Within its own EPA zone, Butler County is bigger by population than 24% of the counties that share it. Butler County falls in EPA Radon Region 7, one of 412 counties nationally EPA assigns to that same geologic province.

Zone vs. an actual test

Where the national indoor average runs about 1.3 pCi/L, Butler County's Zone 1 rating puts its predicted county average above EPA's 4 pCi/L action level itself. Some Butler 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.

Testing and mitigation in Butler County

A short-term test kit is the standard first step and typically costs far less than mitigation itself. If a test comes back at or above 4 pCi/L, a radon mitigation system for a typical home runs roughly $800–$2,500 (around $1,200 for a common single-family install), driven mainly by foundation type, not by county.

Find Nebraska's state radon program

For Butler County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Butler County's levels over time. RadonZoneCheck earns a commission there, at no extra cost to you. RADONZONE-10OFF at checkout knocks 10% off.

Where Butler County's figures come from

Every figure on this page traces to EPA's own Map of Radon Zones and Census data, documented in the methodology guide. The guide to what a radon zone actually means covers why testing matters in every zone, not just Zone 1.