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SafeNest Radon

Lena, Illinois. Testing

1 Illinois state license verified against the Illinois Emergency Management Agency (IEMA) list, last checked November 11, 2026.

Call SafeNest Radon at (815) 238-0196

Credentials

Licenses and certifications

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

Illinois state license (1)

Issued by the Illinois Emergency Management Agency (IEMA), not by NRPP or NRSB. Radon411 last checked the list on November 11, 2026. No expiry date is on the record.

LicenseNumberStatus on the listVerifiedCheck with the issuer
Testing licenseNo. RNI20263567Measurement ProfessionalVerified November 11, 2026Verify RNI20263567 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab)

Licensing in Illinois

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

IEMA-OHS Radon Program, Illinois Emergency Management Agency and Office of Homeland Security, (800) 325-1245.

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

Local radon figures

Radon in Lena

Lena lies in Stephenson County, where 57.2% of 519 radon tests reported to CDC (2017) were at or above 4 pCi/L, 23.5 points above Illinois pooled (33.7%), 8th of 70 Illinois counties with 30 or more tests.

Radon test figures for the county Lena lies in
CountyTestsAt or above 4 pCi/LMedianIllinois, pooledRank in the stateEPA zone
Stephenson County51957.2%4.8 pCi/L33.7%8 of 70Zone 1

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

The counties around Lena

Around Stephenson County, where Lena lies, the nearest Illinois counties with a CDC figure for 2017 run from 34.9% to 62.9% of tests at or above 4 pCi/L; the closest, Carroll County, is 24 miles away at 62.9%.

The nearest Illinois counties to Stephenson County with 30 or more tests, 2017
CountyDistanceTestsAt or above 4 pCi/LMedian
Carroll County24 mi21062.9%5.5 pCi/L
Winnebago County26 mi2,70334.9%2.9 pCi/L
Ogle County28 mi63652.4%4.1 pCi/L
Jo Daviess County28 mi51345.0%3.5 pCi/L
Boone County43 mi52546.9%3.4 pCi/L
Whiteside County43 mi69643.1%3.3 pCi/L

Nearby

Radon professionals nearest Lena

More radon professionals in LenaMore radon professionals in Illinois

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