Dundy County, NE radon potential

EPA's own radon map rates Dundy County zone 2 - moderate potential, predicting a county-wide average indoor level between 2 and 4 pCi/L. That puts Dundy County in the 34th percentile nationally for radon potential — higher than 34% of the counties EPA has rated.

Where Dundy County sits nationally

Dundy County, Nebraska is home to about 1,581 people across 919.678 square miles. That works out to roughly 2 people per square mile. Within its own EPA zone, Dundy County is bigger by population than 2% of the counties that share it. Dundy 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 Dundy County

EPA's Zone 2 rating for Dundy County sits below its own 4 pCi/L action level but above the national indoor average of about 1.3 pCi/L. Nothing about a Zone 2 label lowers the case for testing in Dundy County — EPA recommends it in every zone, moderate included.

If Dundy County tests above the action level

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

Where Dundy County's figures come from

The methodology guide shows exactly which EPA and Census sources feed Dundy County's numbers. The guide to what a radon zone actually means covers why testing matters in every zone, not just Zone 1.