What EPA's radon map says about Crow Wing County

EPA places Crow Wing 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. Crow Wing County sits at the 57th percentile nationally for radon potential — above 57 of every 100 rated counties.

Where Crow Wing County sits nationally

About 68,642 people live in Crow Wing County, Minnesota, spread over 998.451 square miles. That works out to roughly 69 people per square mile. Among counties sharing Crow Wing County's EPA zone, it outranks 74% of them by population. Geologically, Crow Wing County is grouped into EPA Region 5 alongside 523 other counties that share its rock and soil setting.

Zone vs. an actual test

Crow Wing County's predicted average falls between EPA's 4 pCi/L action level and the national indoor average of about 1.3 pCi/L (outdoor air runs roughly 0.4 pCi/L). A county-wide moderate average, like Crow Wing County's, can still hide a specific house well above or below it — testing is what actually answers the question.

Next steps for a home in Crow Wing County

Mitigation cost doesn't depend on Crow Wing 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 Minnesota's state radon program

Crow Wing County's test kit answers today; a Airthings radon monitor keeps answering for Crow Wing 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

The methodology guide shows exactly which EPA and Census sources feed Crow Wing County's numbers. The guide to what a radon zone actually means covers why testing matters in every zone, not just Zone 1.