Entry № RNI20252897

Willett, William

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Last verified August 29, 2026. Methodology

Compare every credential-verified provider: Radon testing in Washington, IL.

Credential number
RNI20252897
Credential body
IL IEMA
Status
current Licensed. Current in the source file.
Services
testing
City
Washington
County
Not on the source file
State
Illinois
Phone
309-688-4490
Source
https://public.iema.state.il.us/Radon/Home/LicenseIndex
Fig. 5 — Each pin is a current listing at the Census city or county centroid on the file, approximate. Pins that share a place are spread so you can click them. Not street addresses.

§ 5.1

Places on the source file

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