Elko County, NV radon potential

EPA's own radon map rates Elko County zone 2 - moderate potential, predicting a county-wide average indoor level between 2 and 4 pCi/L. Elko County sits at the 55th percentile nationally for radon potential — above 55 of every 100 rated counties.

How Elko County compares

Elko County, Nevada is home to about 54,363 people across 17,173.302 square miles. Population density there runs about 3 people per square mile. Within its own EPA zone, Elko County is bigger by population than 68% of the counties that share it. Elko County falls in EPA Radon Region 9, one of 95 counties nationally EPA assigns to that same geologic province.

What this actually means for a house in Elko County

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 Elko County's Zone 2 prediction. Elko County's Zone 2 rating sits in the middle nationally; EPA's guidance is unchanged by that — test every home regardless of its zone.

Next steps for a home in Elko 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 Nevada's state radon program

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

Elko 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.