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Radon Levels in Menominee County, Michigan

EPA puts Menominee County in Zone 2, its middle radon zone, and most reported tests there come back low, though 11.7% of 120 (2008 to 2017, laboratory totals) reached 4 pCi/L. Homes with elevated levels occur in all three zones, so only a test measures yours.

Data checked By Radon411Methodology

  • Share at 4+ pCi/L

    11.7%

    15.2 pts below MI

    Menominee
    11.7%
    Michigan
    26.9%

    120 tests, 2008 to 2017

  • Median result

    1.2pCi/L

    Below action level

    Menominee
    1.2 pCi/L
    EPA
    4.0 pCi/L

    Midpoint of the tests, 2008 to 2017

  • Tests reported

    120

    76th of 82 by tests

    Menominee
    120
    Oakland
    16,224

    Reported to CDC before any fix, 2008 to 2017

  • EPA radon zone

    Zone 2

    Moderate potential

    1. 1
    2. Zone 2
    3. 3

    1 highest, 3 lowest

    EPA predicts 2 to 4 pCi/L indoors

  • Rank in Michigan

    62 of 82

    Middle half

    Menominee
    11.7%
    Lenawee
    56.7%

    By share, of 82 with 30+ tests

Read a result for Menominee County

Starts at Menominee County's median, 1.2 pCi/L

1.2pCi/L

EPA’s own thresholds; the figures are the area’s, never this home’s.

EPA’s reading of 1.2 pCi/L

Below 2 pCi/L

  1. Under 20 to 1.9 pCi/L
  2. 2 to 4consider a fix
  3. 4 and aboveEPA says fix it

This result is below 2 pCi/L, the level at which EPA says a fix should be considered. Menominee County's median reported result, 2008 to 2017.

The data

Menominee County, At a glance

Menominee County at a glance

Predicted: EPA radon zone

EPA Zone 2: moderate predicted potential

Menominee County is a county: EPA's forecast for it as a whole is an average indoor of 2 to 4 pCi/L (75 to 150 Bq/m³). It describes no single address, and homes above EPA's are found in every zone, this one included.

USGS geologic potential: Moderate across 91% of the county's area

Predicted: EPA Map of Radon Zones

Measured: tests reported to CDC

Radon tests reported for Menominee County, 2008 to 2017, laboratory

Reported results by concentration band, Menominee County, 2008 to 2017, laboratory
Under 2 pCi/L: 61%2 to 4 pCi/L: 27%4 pCi/L and above: 12%

Of 120 pre-mitigation tests reported to CDC, not homes in this area.

Reported results by concentration band, Menominee County, 2008 to 2017, laboratory: data table
Result bandTests MeasuredShare Measured
Under 2 pCi/L7461.7%
2 to 4 pCi/L3226.7%
4 pCi/L and above1411.7%
What these figures count

These are the 120 tests reported to CDC for Menominee County over 2008 to 2017 (laboratory totals), many from homes being sold or already suspected of a problem: they describe the county's reported tests, not this house.

Measured: CDC tracking data. Figure above: 2008 to 2017, laboratory. Measured data period: 2005 to 2017 (every CDC figure on file).

How to read these figures

Menominee County, Compared

Menominee County radon figures, compared

Calculated by Radon411

Menominee County reports fewer high tests than Michigan overall. 11.7% of its 120 tests over the 2008 to 2017 laboratory totals were at or above 4 pCi/L. That is 15.2 points below the 26.9% pooled from 83 Michigan counties.

Ordered from highest share down, it comes 62nd of 82 Michigan counties with 30 or more tests for the same period. Nationally, every county with a figure for the same period pools to 35.7%; Menominee County sits 24.0 points below it.

Next door, the shares run from 21.5% in Delta County to 39.3% in Dickinson County. Zone 2 on EPA's map (predicted average between 2 and 4 pCi/L) and a 11.7% share point the same way here.

Half the tests came in under 1.2 pCi/L and half over it; the single highest reached 10.3 pCi/L. The rest split 61.7% under 2 pCi/L and 26.7% from 2 to 4 (Michigan: 46.4% and 26.7%).

CDC's ten-year totals for Menominee County went from 113 tests (2005 to 2014) to 120 (2008 to 2017), the share going from 8.0% to 11.7%.

Menominee County against Michigan, the United States and nearby counties, 2008 to 2017, laboratory
AreaTestsAt or above 4 pCi/LMedianDifference from Menominee County
Menominee County12011.7%1.2 pCi/LThis county
Michigan, pooled83 counties, pooled114,40726.9%Not pooled+15.2 points
United States, pooled2,661 counties, pooled2,013,54435.7%Not pooled+24.0 points
Lenawee Countyhighest in the state1,90756.7%4.6 pCi/L+45.0 points
Muskegon Countylowest in the state6293.2%1.2 pCi/L−8.5 points
Dickinson County, MIborders it84339.3%3.1 pCi/L+27.6 points
Marinette County, WIborders it39127.9%2.2 pCi/L+16.2 points
Marquette County, MIborders it1,08223.4%2.0 pCi/L+11.7 points
Delta County, MIborders it71121.5%1.7 pCi/L+9.8 points
Where Menominee County's reported results fell, 2008 to 2017, laboratory, beside Michigan and the United States
ResultMenominee County testsMenominee County shareMichigan shareU.S. shareAgainst Michigan
Under 2 pCi/L7461.7%46.4%39.6%+15.3 points
2 to 4 pCi/L3226.7%26.7%24.7%Level
4 pCi/L and above1411.7%26.9%35.7%−15.2 points
Menominee County ranked among the 82 Michigan counties with 30 or more tests, by share at or above 4 pCi/L, 2008 to 2017, laboratory
CountyRankTestsAt or above 4 pCi/LMedian
Alpena County57 of 821,13913.3%0.9 pCi/L
Gogebic County58 of 8217112.9%1.2 pCi/L
Kalkaska County59 of 8220412.7%1.3 pCi/L
Roscommon County60 of 8216612.7%1.0 pCi/L
Antrim County61 of 8234312.0%1.5 pCi/L
Menominee County62 of 8212011.7%1.2 pCi/L
Chippewa County63 of 8231911.6%0.9 pCi/L
Grand Traverse County64 of 821,61411.5%1.4 pCi/L
Ontonagon County65 of 8212311.4%1.3 pCi/L
Baraga County66 of 8216311.0%1.1 pCi/L
Houghton County67 of 821,09310.8%1.1 pCi/L
Menominee County ten-year laboratory totals, against Michigan's pooled share
PeriodTestsAt or above 4 pCi/LMedianHighestMichigan, pooledChange from the row before
2008 to 201712011.7%1.2 pCi/L10.3 pCi/L26.9%+2.4 points
2007 to 20161189.3%1.3 pCi/L9.2 pCi/L26.8%+0.7 points
2006 to 20151168.6%1.1 pCi/L9.2 pCi/L26.8%+0.6 points
2005 to 20141138.0%1.0 pCi/L9.2 pCi/L26.2%First on file

Pooled shares: Radon411's sum of CDC's county counts for one period.

Menominee County, State data

Michigan's own radon test data

Measured

What Michigan's own agencies publish about radon tests in Menominee County, with their period. These are not CDC's figures and are never added to them.

MeasuredState figures, not CDC's

What Michigan EGLE reports for the ZIP codes in Menominee County

Michigan EGLE publishes its figures by ZIP code, not by county. These are the 13 ZIP codes that lie wholly or partly in Menominee County, each with the state's own figures for it. Period: About 10 years to 2026-05-15.

ZIP codes in Menominee County
ZIP codeWhat the state reports
4980718% greater than 4 pCi/L, median 1.9 pCi/L, 50 tests
4981221% greater than 4 pCi/L, median 3.1 pCi/L, 14 tests
4982124% greater than 4 pCi/L, median 2.5 pCi/L, 17 tests
498470% greater than 4 pCi/L, median 1.6 pCi/L, 6 tests
498480% greater than 4 pCi/L, median 0.0 pCi/L, 5 tests
498587% greater than 4 pCi/L, median 0.9 pCi/L, 120 tests
498731 tests, figures not shown
4987419% greater than 4 pCi/L, median 2.6 pCi/L, 16 tests
498860% greater than 4 pCi/L, median 1.6 pCi/L, 6 tests
4988713% greater than 4 pCi/L, median 2.2 pCi/L, 30 tests
4989231% greater than 4 pCi/L, median 3.4 pCi/L, 29 tests
4989329% greater than 4 pCi/L, median 2.5 pCi/L, 35 tests
498968% greater than 4 pCi/L, median 0.7 pCi/L, 12 tests
  • EGLE's figures cover first-time tests only, from organizations willing to provide data.
  • EGLE does not publish figures for a ZIP code with fewer than 5 test results.
  • EGLE says the map is not intended to decide whether a home should be tested: all homes should be tested.
  • ZIP code boundaries are postal delivery areas, not legal or administrative boundaries.
  • A ZIP code that crosses the county line is listed whole; its figures cover all of it.

Measured: Michigan EGLE data, About 10 years to 2026-05-15.

Menominee County, Geology

The ground under Menominee County

Predicted

Most of the ground under Menominee County is one class on USGS's geologic map: 91.2% of its land is moderate radon potential, with 8.3% low. The map puts 91.1% of Menominee County in the area it calls Outer Michigan Basin and 8.3% in Glacial Lakes. USGS gives the first a radon index of 10, in the moderate band (9 to 11), and the second 7, in the low band (5 to 8).

USGS's geologic areas under Menominee County
AreaThe rock, in USGS's wordsPotentialRadon indexShare of land
Outer Michigan BasinGlacial deposits derived from Paleozoic carbonate rocks and sandstones.Moderate1091.1%
Glacial LakesSilt and clay glacial lake deposits.Low78.3%

Names, descriptions and indexes: U.S. Geological Survey, Geologic Radon Potential Map (2025). Shares: Radon411, from the map cut to the boundary.

Menominee County beside the ground around it

Across Michigan 9.6% of the land is rated high; none of Menominee County's is. Of the 4 counties that border it, 1 has more high-potential ground, Marinette County, WI the most at 4.1%.

Share of land by USGS radon potential: Menominee County, the 4 counties bordering it and Michigan
AreaEPA zoneLow potentialModerate potentialHigh potential
Menominee CountyZone 28.3%91.2%None
Marinette County, WIZone 2None95.8%4.1%
Dickinson CountyZone 2None100%None
Delta CountyZone 357.2%41.5%None
Marquette CountyZone 2None99.9%None
Michigan83 counties, pooled by land areaVaries45.0%44.3%9.6%

The map rates the ground, not the air in any home.

What it means

Menominee County, Questions

Questions about radon in Menominee County

Are radon levels high in Menominee County?

Over the 2008 to 2017 laboratory totals, 11.7% of the radon tests reported to CDC for Menominee County, Michigan were at or above 4 pCi/L, and the median reported pre-mitigation result was 1.2 pCi/L. Of 82 Michigan counties with 30 or more tests for the same period, 61 reported a higher share; pooled, the state comes to 26.9%.

Which counties border Menominee County?

Menominee County borders 4 counties: Marinette County, WI, Dickinson County, MI, Delta County, MI and Marquette County, MI.

Products

Menominee County, Products

Testing a home in Menominee County

In Menominee County, 11.7% of 120 tests reported to CDC over the 2008 to 2017 laboratory totals reached 4 pCi/L, against 26.9% pooled across Michigan. In Zone 2 a short-term kit (2 to 90 days) is the quick first check in Menominee County; a long-term test tells the year-round average.

Test kits and monitors3

See every kit and monitor

Best radon monitors for Menominee County homes, compared

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Menominee County, Bordering counties

Counties bordering Menominee County

Calculated by Radon411

Menominee County, Cities and towns

Cities and towns in Menominee County

About 22,941 people live in Menominee County by the Census Bureau's estimate for July 1, 2025, 513 fewer than in 2020 (−2.2%). That works out to 22 people per square mile of land. Its largest town, Menominee, has 8,175 residents, 35.6% of the total. Together its 5 incorporated places hold 42.4% of those residents; the other 57.6% live outside any of them. Reported testing is thin here: 120 tests over 2008 to 2017, or 5.2 for every 1,000 residents (2025 estimate), where Michigan as a whole comes to 11.3.

From Menominee to Carney, CDC publishes no figure by town: each reads Menominee County's.

The cities and towns in Menominee County by residents, July 1, 2025
PlaceResidentsSince 2020Share of residents
Menominee8,175−3.4%35.6%
Stephenson793−2.9%3.5%
Powers375−1.3%1.6%
Daggett201−2.4%0.9%
Carney178−2.2%0.8%

5 incorporated places, as listed in the U.S. Census Bureau’s 2020 place reference files. Residents: U.S. Census Bureau population estimates for July 1, 2025 (Vintage 2025).

Menominee County, Homes

Homes in Menominee County

Menominee County is a place of houses on their own lots: 80% of its 13,261 homes are detached single-family houses, against 72% across Michigan. Half of its homes were built before 1971, close to Michigan's 1972: 41% date from before 1960 and 13% from 2000 or later. Owners live in 80% of the occupied homes (Michigan: 73%), so for most households a test and a fix are their own to order.

Homes in Menominee County, Michigan, 2019 to 2023
HomesMenominee CountyMichigan
Housing units13,2614,599,683
Detached houses80%72%
In buildings of 5 or more6%13%
Mobile homes8%5%
Built before 196041%36%
Built since 200013%15%
Middle year built19711972
Owner-occupied80%73%

Census Bureau, American Community Survey, 2019 to 2023: estimates from a sample of homes, looser for a small place. Shares by Radon411.