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Rest Assured Home Inspections and Radon Testing.

Decorah, Iowa. Testing

1 Iowa state license verified against the Iowa Department of Health and Human Services, Bureau of Radiological Health list, last checked November 3, 2026.

Call Rest Assured Home Inspections and Radon Testing. at (563) 203-2488

Credentials

Licenses and certifications

1 credential is on file for this business, exactly as the issuer's list printed it.

Iowa state license (1)

Issued by the Iowa Department of Health and Human Services, Bureau of Radiological Health, not by NRPP or NRSB. Radon411 last checked the list on November 3, 2026. No expiry date is on the record.

LicenseNumberStatus on the listVerifiedCheck with the issuer
Testing licenseNo. RNTST10228Certified Radon Measurement SpecialistVerified November 3, 2026Verify RNTST10228 with the Iowa Department of Health and Human Services, Bureau of Radiological Health (opens in a new tab)

Licensing in Iowa

Iowa's radon program says the state licenses or certifies radon professionals.

Iowa HHS Radon Program, Iowa Department of Health and Human Services, (515) 281-4928.

What Iowa requires, in its program’s own words, and how to check a credential

Local radon figures

Radon in Decorah

Decorah lies in Winneshiek County, where 66.4% of 1,071 radon tests reported to CDC (2008 to 2017, laboratory) were at or above 4 pCi/L, 7.9 points above Iowa pooled (58.5%), 46th of 99 Iowa counties with 30 or more tests.

Radon test figures for the county Decorah lies in
CountyTestsAt or above 4 pCi/LMedianIowa, pooledRank in the stateEPA zone
Winneshiek County1,07166.4%6.2 pCi/L58.5%46 of 99Zone 1

Shares of tests people chose to run and report, by county (2008 to 2017, laboratory); the state's is its counties' counts added up, calculated by Radon411. Only a test measures a home.

The counties around Decorah

Around Winneshiek County, where Decorah lies, the nearest Iowa counties with a CDC figure for 2008 to 2017, laboratory run from 53.0% to 73.2% of tests at or above 4 pCi/L; the closest, Allamakee County, is 23 miles away at 73.2%.

The nearest Iowa counties to Winneshiek County with 30 or more tests, 2008 to 2017, laboratory
CountyDistanceTestsAt or above 4 pCi/LMedian
Allamakee County23 mi49273.2%7.0 pCi/L
Howard County24 mi38861.3%5.9 pCi/L
Chickasaw County29 mi49859.0%4.9 pCi/L
Fayette County30 mi74662.7%5.6 pCi/L
Clayton County40 mi31062.6%5.8 pCi/L
Bremer County43 mi95753.0%4.3 pCi/L

Nearby

Radon professionals nearest Decorah

More radon professionals in DecorahMore radon professionals in Iowa

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