Entry № RNTST09144

Landwehr, Ernie M.

Royal Plumbing Llc

Last verified August 29, 2026. Methodology

Credential number: RNTST09144
Credential body: IA HHS
Status: current Certified. Current in the source file.
Services: testing
City: Prairie City
County: Not on the source file
State: Iowa
Phone: (515) 979-9521
Source: https://hhs.iowa.gov/health-prevention/providers-professionals/radiological-health/radon

Fig. 5 — Prairie City, IA, approximate. Pin is the city on the official file, not a street address.

§ 5.1

Places on the source file

Claim or update this listing. A claim cannot add someone who is missing from the official file.