Emery County, UT radon potential

EPA places Emery County in Zone 2 - Moderate Potential — a predicted county-wide average indoor radon level between 2 and 4 pCi/L, based on the geology, soil and aerial radioactivity data behind EPA's national map. Nationally that's the 40th percentile for radon potential — Emery County outranks 40% of every county EPA has rated.

How Emery County compares

Emery County, Utah is home to about 10,161 people across 4,462.635 square miles. Averaged across its land area, Emery County runs about 2 people per square mile. Within its own EPA zone, Emery County is bigger by population than 21% of the counties that share it. Geologically, Emery County is grouped into EPA Region 8 alongside 290 other counties that share its rock and soil setting.

Zone vs. an actual test

Call it a middle case: above the 1.3 pCi/L most US homes average, below the 4 pCi/L line EPA uses to recommend mitigation — that's Emery County's Zone 2 prediction. Nothing about a Zone 2 label lowers the case for testing in Emery County — EPA recommends it in every zone, moderate included.

Testing and mitigation in Emery 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 Utah's state radon program

For Emery County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Emery 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 Emery County's figures come from

Every figure on this page traces to EPA's own Map of Radon Zones and Census data, documented in the methodology guide. Whatever zone Emery County carries, the zone explainer covers what it does and doesn't tell you about any one house.