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Rock Valley Home Inspections

Poplar Grove, Illinois. Testing

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

Call Rock Valley Home Inspections at (608) 290-8936

Credentials

Licenses and certifications

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

Illinois state licenses (2)

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. RNI20242531Measurement ProfessionalVerified November 11, 2026Verify RNI20242531 with the Illinois Emergency Management Agency (IEMA) (opens in a new tab)
Testing licenseNo. RNIT20253021Measurement TechnicianVerified November 11, 2026Verify RNIT20253021 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 Poplar Grove

Poplar Grove lies in Boone County, where 46.9% of 525 radon tests reported to CDC (2017) were at or above 4 pCi/L, 13.2 points above Illinois pooled (33.7%), 24th of 70 Illinois counties with 30 or more tests.

Radon test figures for the county Poplar Grove lies in
CountyTestsAt or above 4 pCi/LMedianIllinois, pooledRank in the stateEPA zone
Boone County52546.9%3.4 pCi/L33.7%24 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 Poplar Grove

Around Boone County, where Poplar Grove lies, the nearest Illinois counties with a CDC figure for 2017 run from 27.4% to 52.4% of tests at or above 4 pCi/L; the closest, Winnebago County, is 17 miles away at 34.9%.

The nearest Illinois counties to Boone County with 30 or more tests, 2017
CountyDistanceTestsAt or above 4 pCi/LMedian
Winnebago County17 mi2,70334.9%2.9 pCi/L
McHenry County19 mi6,47435.1%2.9 pCi/L
DeKalb County30 mi1,70741.1%3.3 pCi/L
Ogle County32 mi63652.4%4.1 pCi/L
Kane County33 mi8,68236.6%2.8 pCi/L
Lake County42 mi13,05027.4%2.4 pCi/L

Nearby

Radon professionals nearest Poplar Grove

More radon professionals in Poplar GroveMore radon professionals in Illinois

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