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English Radon Measurement

Jacksonville, Illinois. Testing

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

Call English Radon Measurement at (217) 416-9035

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. RNI2012205Measurement ProfessionalVerified November 11, 2026Verify RNI2012205 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 Jacksonville

Jacksonville lies in Morgan County, where 66.9% of 381 radon tests reported to CDC (2017) were at or above 4 pCi/L, 33.2 points above Illinois pooled (33.7%), 3rd of 70 Illinois counties with 30 or more tests.

Radon test figures for the county Jacksonville lies in
CountyTestsAt or above 4 pCi/LMedianIllinois, pooledRank in the stateEPA zone
Morgan County38166.9%6.5 pCi/L33.7%3 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 Jacksonville

Around Morgan County, where Jacksonville lies, the nearest Illinois counties with a CDC figure for 2017 run from 21.4% to 51.8% of tests at or above 4 pCi/L; the closest, Sangamon County, is 29 miles away at 43.7%.

The nearest Illinois counties to Morgan County with 30 or more tests, 2017
CountyDistanceTestsAt or above 4 pCi/LMedian
Sangamon County29 mi3,37843.7%3.7 pCi/L
Menard County30 mi16851.8%4.3 pCi/L
Macoupin County35 mi25825.6%2.2 pCi/L
Mason County39 mi4221.4%2.8 pCi/L
Jersey County44 mi12946.5%3.6 pCi/L
Christian County51 mi21342.3%3.5 pCi/L

Nearby

Radon professionals nearest Jacksonville

More radon professionals in JacksonvilleMore radon professionals in Illinois

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