Saline County, NE radon potential
Saline County is mapped as Zone 1 - Highest Potential by EPA — meaning the county-wide average indoor level is predicted above 4 pCi/L. Nationally that's the 79th percentile for radon potential — Saline County outranks 79% of every county EPA has rated.
How Saline County compares
Saline County, Nebraska is home to about 14,740 people across 574.07 square miles. Averaged across its land area, Saline County runs about 26 people per square mile. Within its own EPA zone, Saline County is bigger by population than 38% of the counties that share it. EPA's geology-based Region 7 groups Saline County with 411 other counties nationally sharing its underlying rock and soil profile.
What this actually means for a house in Saline County
Saline 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. A Zone 1 rating means testing is worth doing sooner rather than later, but it is still county-wide average, not a reading for any single house — some homes in Saline County will test well under the action level, and EPA's guidance is to test regardless of zone.
Testing and mitigation in Saline 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 Saline County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Saline 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 Saline County's figures come from
Saline County's zone, rank and region all trace back to named EPA and Census sources — the methodology guide lists exactly which ones. The guide to what a radon zone actually means covers why testing matters in every zone, not just Zone 1.