What EPA's radon map says about Emmet County

Emmet 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. Rank it against the rest of the country and Emmet County lands in the 52nd percentile for radon potential.

How Emmet County compares

About 33,949 people live in Emmet County, Michigan, spread over 467.546 square miles. Averaged across its land area, Emmet County runs about 73 people per square mile. Among counties sharing Emmet County's EPA zone, it outranks 56% of them by population. Geologically, Emmet County is grouped into EPA Region 5 alongside 523 other counties that share its rock and soil setting.

Why the zone isn't the answer by itself

EPA's Zone 2 rating for Emmet County sits below its own 4 pCi/L action level but above the national indoor average of about 1.3 pCi/L. Nothing about a Zone 2 label lowers the case for testing in Emmet County — EPA recommends it in every zone, moderate included.

Testing and mitigation in Emmet County

Mitigation cost doesn't depend on Emmet County's zone — it depends on the house's foundation. A typical system runs $800–$2,500 (about $1,200 typical), and testing first is what tells you whether that's needed at all.

Find Michigan's state radon program

Emmet County's test kit answers today; a Airthings radon monitor keeps answering for Emmet County over time. Affiliate link, RadonZoneCheck earns a commission there, at no extra cost to you. Use code RADONZONE-10OFF at checkout for 10% off.

More on how this number was built

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