Is Burt County, NE a radon risk area?

EPA's own radon map rates Burt County zone 1 - highest potential, predicting a county-wide average indoor level above 4 pCi/L. Nationally that's the 73rd percentile for radon potential — Burt County outranks 73% of every county EPA has rated.

Where Burt County sits nationally

About 6,727 people live in Burt County, Nebraska, spread over 491.587 square miles. Population density there runs about 14 people per square mile. Rank 856 by population within its EPA zone puts Burt County at the 20th percentile among zone peers. Burt 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 Burt County

Burt County carries a Zone 1 label because its predicted average clears 4 pCi/L outright — three-plus times the 0.4 pCi/L typical outdoors and above the 1.3 pCi/L most homes see. EPA's guidance doesn't change because of a Zone 1 label: test the house. What changes is the reason to not put it off in Burt County specifically.

If Burt County tests above the action level

Nothing about Burt 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

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

Burt County's zone, rank and region all trace back to named EPA and Census sources — the methodology guide lists exactly which ones. Whatever zone Burt County carries, the zone explainer covers what it does and doesn't tell you about any one house.