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Radon in Presque Isle County, Michigan

Presque Isle County, Michigan, is in EPA radon Zone 2: predicted average indoor radon screening level from 2 to 4 pCi/L (moderate potential). Radon laboratories reported 321 building tests here for 2008 to 2017: median 1.9 pCi/L, with 22.8% at or above EPA's 4 pCi/L action level (Michigan 26.3%, US 36.5%).

Zone 2
EPA radon zone (1993 county map)
1.9
median lab test, pCi/L (2008-2017)
22.8%
of lab tests at or above 4 pCi/L
321
buildings tested by labs, 2008-2017

Radon test results in Presque Isle County

Radon test results on file for Presque Isle County, MI, with state and national comparison
Test resultsPeriodTestsTypical result4 pCi/L or more
Radon testing laboratories2008-2017321median 1.9 pCi/L22.8%
Michigan, all counties (labs)2008-201782,449n/a26.3%
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
Alpena County, MIZone 272713.3%
Montmorency County, MIZone 215614.7%
Alcona County, MIZone 212820.5%
Oscoda County, MIZone 34018.5%
Cheboygan County, MIZone 33498%
Otsego County, MIZone 259838.2%

The six counties with the nearest centers.

What to do about radon in Presque Isle 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. Michigan'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 Presque Isle County address

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

Radon in Presque Isle County: questions

What is the radon level in Presque Isle County?

The median of the 321 laboratory tests reported for Presque Isle County (2008 to 2017) was 1.9 pCi/L, and 22.8% 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 Presque Isle County in radon Zone 1?

No. EPA's 1993 map puts Presque Isle 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 Presque Isle County compare with Michigan?

22.8% of laboratory tests in Presque Isle County were at or above 4 pCi/L for 2008 to 2017, against 26.3% across Michigan (82,449 tests) and 36.5% nationally. 9 of Michigan's 83 counties are in Zone 1.

Should I test for radon in Presque Isle 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 Presque Isle 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 Michigan county · Radon map of every state

Data compiled 2026-10-20. County FIPS 26141. County-level screening information, not a radon measurement of any building.