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Langel’s Plumbing and Heating

Le Mars, 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 Langel’s Plumbing and Heating at (712) 546-8562Visit website of Langel’s Plumbing and Heating (opens in a new tab)

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. RNTST10249Certified Radon Measurement SpecialistVerified November 3, 2026Verify RNTST10249 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 Le Mars

Le Mars lies in Plymouth County, where 82.3% of 1,405 radon tests reported to CDC (2008 to 2017, laboratory) were at or above 4 pCi/L, 23.8 points above Iowa pooled (58.5%), 2nd of 99 Iowa counties with 30 or more tests.

Radon test figures for the county Le Mars lies in
CountyTestsAt or above 4 pCi/LMedianIowa, pooledRank in the stateEPA zone
Plymouth County1,40582.3%8.6 pCi/L58.5%2 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 Le Mars

Around Plymouth County, where Le Mars lies, the nearest Iowa counties with a CDC figure for 2008 to 2017, laboratory run from 69.2% to 84.2% of tests at or above 4 pCi/L; the closest, Sioux County, is 24 miles away at 84.2%.

The nearest Iowa counties to Plymouth County with 30 or more tests, 2008 to 2017, laboratory
CountyDistanceTestsAt or above 4 pCi/LMedian
Sioux County24 mi1,98284.2%10.7 pCi/L
Woodbury County26 mi3,54169.2%6.1 pCi/L
Cherokee County30 mi79574.5%7.6 pCi/L
O'Brien County38 mi65281.7%8.9 pCi/L
Ida County43 mi39971.7%7.4 pCi/L
Lyon County44 mi23777.6%8.3 pCi/L

Nearby

Radon professionals nearest Le Mars

More radon professionals in Le MarsMore radon professionals in Iowa

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