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Radon in Crow Wing County, Minnesota

Crow Wing County, Minnesota, is in EPA radon Zone 2: predicted average indoor radon screening level from 2 to 4 pCi/L (moderate potential). Radon laboratories reported 816 building tests here for 2008 to 2017: median 2.4 pCi/L, with 27.9% at or above EPA's 4 pCi/L action level (Minnesota 42.8%, US 36.5%).

Zone 2
EPA radon zone (1993 county map)
2.4
median lab test, pCi/L (2008-2017)
27.9%
of lab tests at or above 4 pCi/L
816
buildings tested by labs, 2008-2017

Radon test results in Crow Wing County

Radon test results on file for Crow Wing County, MN, with state and national comparison
Test resultsPeriodTestsTypical result4 pCi/L or more
Radon testing laboratories2008-2017816median 2.4 pCi/L27.9%
Minnesota radon program2023141median 2.7 pCi/L30.5%
Minnesota, all counties (labs)2008-201790,826n/a42.8%
United States (labs)2008-20171,408,802n/a36.5%

Test results describe buildings whose owners chose to test and whose results reached the lab or agency, not a random sample; small counts swing widely. State and US shares are computed from county counts and percents. The laboratory data comes from national radon testing laboratories and supplements EPA's zone map.

Radon in nearby counties

CountyEPA zoneLab tests4 pCi/L or more
Aitkin County, MNZone 216630.5%
Morrison County, MNZone 262936.3%
Cass County, MNZone 236333.5%
Wadena County, MNZone 110137.2%
Mille Lacs County, MNZone 222027.7%
Todd County, MNZone 117148.4%

The six counties with the nearest centers.

What to do about radon in Crow Wing County

Test the building. EPA recommends fixing a home at 4 pCi/L or more and considering a fix between 2 and 4 pCi/L, and says there is no known safe level of exposure. Minnesota's state radon program can point you to testers and test kits.

Buying here? The Environmental Records Report lists this county's radon zone and test results with the flood zone, mapped faults, power lines and federal contamination records near the address.

Check one Crow Wing County address

Environmental Records Report, $29. PDF and JSON, usually ready in about a minute.

Radon in Crow Wing County: questions

What is the radon level in Crow Wing County?

The median of the 816 laboratory tests reported for Crow Wing County (2008 to 2017) was 2.4 pCi/L, and 27.9% of them were at or above 4 pCi/L. These are results of tested buildings; a single home can be far above or below them.

Is Crow Wing County in radon Zone 1?

No. EPA's 1993 map puts Crow Wing County in Zone 2 (predicted average indoor radon screening level from 2 to 4 pCi/L (moderate potential)). EPA says homes in every zone can have high radon and should be tested.

How does radon in Crow Wing County compare with Minnesota?

27.9% of laboratory tests in Crow Wing County were at or above 4 pCi/L for 2008 to 2017, against 42.8% across Minnesota (90,826 tests) and 36.5% nationally. 68 of Minnesota's 87 counties are in Zone 1.

Should I test for radon in Crow Wing County?

Yes. EPA recommends testing every home whatever its zone: "This map should not be used to determine if individual homes need to be tested." Fix the home at 4 pCi/L or more and consider a fix between 2 and 4 pCi/L; EPA says there is no known safe level of radon exposure.

More for Crow Wing County

Other free hazard lookups

All of these, plus wetlands, FEMA hazard ratings and the federal contamination lists, are in the Environmental Records Report for any US address ($29).

Radon in every Minnesota county · Radon map of every state

Data compiled 2026-10-20. County FIPS 27035. County-level screening information, not a radon measurement of any building.