Radon Service Areas Around Springfield, IL
We take radon requests from homeowners in Springfield, the rest of Sangamon County and nearby towns. Every county below is EPA Radon Zone 1 according to EPA's zone data. We don't have an office in any of these places; we pass your request to an independent IEMA-licensed pro who works there.
Coverage depends on a participating licensed pro serving your specific address. If no one covers your ZIP code, we'll tell you by email and point you to the IEMA-OHS licensee search instead.
Springfield
The state capital and Sangamon County seat (population 114,394 in the 2020 census). Homes range from older houses with full basements to newer slab and crawlspace builds, and each foundation type calls for a different system design. EPA zone for Sangamon County: Zone 1.
Chatham
A village just south of Springfield (population 14,377 in 2020). If your home was built after June 2013, it should have passive radon features under Illinois law; a test still tells you whether the system needs a fan. EPA zone for Sangamon County: Zone 1.
Sherman
A village north of Springfield (population 4,673 in 2020). EPA zone for Sangamon County: Zone 1.
Rochester
A village east of Springfield (population 3,863 in 2020). EPA zone for Sangamon County: Zone 1.
Riverton
A village east of Springfield along the Sangamon River (population 3,532 in 2020). EPA zone for Sangamon County: Zone 1.
Auburn
A city in southern Sangamon County (population 4,574 in 2020). EPA zone for Sangamon County: Zone 1.
Other Sangamon County communities
Including Leland Grove, Grandview, Jerome, Pawnee, Williamsville, New Berlin and Pleasant Plains. EPA zone for Sangamon County: Zone 1.
Jacksonville
The Morgan County seat, west of Springfield (population 17,616 in 2020). Morgan County is also EPA Zone 1. EPA zone for Morgan County: Zone 1.
Petersburg and Athens
Menard County, north of Springfield. Petersburg is the county seat. Menard County is EPA Zone 1. EPA zone for Menard County: Zone 1.
Lincoln
The Logan County seat, northeast of Springfield. Logan County is EPA Zone 1. EPA zone for Logan County: Zone 1.
Population figures are from the 2020 U.S. Census. Compare local data on radon levels in Springfield.
Outside these areas?
Use the IEMA-OHS licensee search or Illinois.gov's radon professional page to find a licensed pro anywhere in Illinois.
Sources
Request a radon quote
Referral service: We're a referral service that connects you with independent, IEMA-licensed radon professionals who serve the Springfield area. We don't perform radon testing or mitigation ourselves.