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Royal Plumbing LLC

Prairie City, Iowa. Testing and mitigation

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

Call Royal Plumbing LLC at (515) 979-9521Visit website of Royal Plumbing LLC (opens in a new tab)

Credentials

Licenses and certifications

2 credentials are on file for this business, each exactly as the issuer's list printed it.

Iowa state licenses (2)

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
Mitigation licenseNo. RNMIT09069Credentialed Radon Mitigation SpecialistVerified November 3, 2026Verify RNMIT09069 with the Iowa Department of Health and Human Services, Bureau of Radiological Health (opens in a new tab)
Testing licenseNo. RNTST09144Certified Radon Measurement SpecialistVerified November 3, 2026Verify RNTST09144 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 Prairie City

Prairie City lies in Jasper County, where 73.3% of 746 radon tests reported to CDC (2008 to 2017, laboratory) were at or above 4 pCi/L, 14.8 points above Iowa pooled (58.5%), 15th of 99 Iowa counties with 30 or more tests.

Radon test figures for the county Prairie City lies in
CountyTestsAt or above 4 pCi/LMedianIowa, pooledRank in the stateEPA zone
Jasper County74673.3%8.2 pCi/L58.5%15 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 Prairie City

Around Jasper County, where Prairie City lies, the nearest Iowa counties with a CDC figure for 2008 to 2017, laboratory run from 59.9% to 70.6% of tests at or above 4 pCi/L; the closest, Marshall County, is 24 miles away at 70.2%.

The nearest Iowa counties to Jasper County with 30 or more tests, 2008 to 2017, laboratory
CountyDistanceTestsAt or above 4 pCi/LMedian
Marshall County24 mi57070.2%8.2 pCi/L
Marion County24 mi1,15167.3%6.0 pCi/L
Polk County27 mi10,94564.4%5.6 pCi/L
Poweshiek County27 mi41970.6%7.2 pCi/L
Story County32 mi2,56859.9%5.0 pCi/L
Mahaska County32 mi28861.1%5.2 pCi/L

Nearby

Radon professionals nearest Prairie City

More radon professionals in Prairie CityMore radon professionals in Iowa

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