Tooele County, UT radon potential

EPA's own radon map rates Tooele County zone 2 - moderate potential, predicting a county-wide average indoor level between 2 and 4 pCi/L. Nationally, Tooele County ranks higher in radon potential than 59% of rated counties (the 59th percentile).

Where Tooele County sits nationally

Tooele County, Utah is home to about 84,488 people across 7,040.271 square miles. Averaged across its land area, Tooele County runs about 12 people per square mile. Within its own EPA zone, Tooele County is bigger by population than 78% of the counties that share it. Geologically, Tooele County is grouped into EPA Region 8 alongside 290 other counties that share its rock and soil setting.

What this actually means for a house in Tooele County

Tooele County's Zone 2 prediction clears the 1.3 pCi/L national indoor average without reaching EPA's own 4 pCi/L point for recommending a fix. Middle-of-the-pack doesn't mean risk-free for any one Tooele County address — a moderate county average still leaves individual homes to test either side of it.

Next steps for a home in Tooele 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 Tooele County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Tooele 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 Tooele County's figures come from

The methodology guide shows exactly which EPA and Census sources feed Tooele County's numbers. If you're unsure why a low zone still deserves a test, the zone explainer covers that directly.