Dixon County, NE radon potential
EPA places Dixon County in Zone 1 - Highest Potential — a predicted county-wide average indoor radon level above 4 pCi/L, based on the geology, soil and aerial radioactivity data behind EPA's national map. Nationally, Dixon County ranks higher in radon potential than 71% of rated counties (the 71st percentile).
Where Dixon County sits nationally
Dixon County, Nebraska is home to about 5,526 people across 475.621 square miles. Averaged across its land area, Dixon County runs about 12 people per square mile. Within its own EPA zone, Dixon County is bigger by population than 15% of the counties that share it. EPA's geology-based Region 7 groups Dixon County with 411 other counties nationally sharing its underlying rock and soil profile.
What this actually means for a house in Dixon County
Outdoor air nationally averages about 0.4 pCi/L, indoor air about 1.3 pCi/L — Dixon County's Zone 1 prediction clears both of those and EPA's fix-it threshold besides. Some Dixon 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.
Next steps for a home in Dixon 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 Dixon County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Dixon County's levels over time. RadonZoneCheck earns a commission there, at no extra cost to you. RADONZONE-10OFF at checkout knocks 10% off.
Where Dixon County's figures come from
The methodology guide shows exactly which EPA and Census sources feed Dixon County's numbers. Whatever zone Dixon County carries, the zone explainer covers what it does and doesn't tell you about any one house.