Antelope County, NE radon potential

Antelope 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. That puts Antelope County in the 37th percentile nationally for radon potential — higher than 37% of the counties EPA has rated.

How Antelope County compares

Antelope County, Nebraska is home to about 6,358 people across 857.157 square miles. Averaged across its land area, Antelope County runs about 7 people per square mile. Within its own EPA zone, Antelope County is bigger by population than 12% of the counties that share it. Antelope County falls in EPA Radon Region 7, one of 412 counties nationally EPA assigns to that same geologic province.

Zone vs. an actual test

Neither at the 4 pCi/L action level nor down at the roughly 1.3 pCi/L national indoor norm, Antelope County's Zone 2 prediction lands in the gap between the two. Antelope 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 Antelope 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 Antelope County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Antelope County's levels over time. RadonZoneCheck earns a commission there, at no extra cost to you. Code RADONZONE-10OFF takes 10% off at checkout.

Where Antelope County's figures come from

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