Doug Stuedemann Radon Mitigation
(815) 474-3940✓ Verified October 4, 2026 on the official state list dated October 4, 2026, double-checked against a second state list.
Radon in ZIP code 62301
Last updated
ZIP 62301 lies entirely in Adams County, Illinois. EPA’s radon zone for this area: Zone 1, highest potential.
Zone 1 Adams County, IL · 100% of the ZIP’s land area
Predicted average indoor screening level above 4 pCi/L.
What this means for homes in 62301
EPA built its zone map county by county in 1993, so every address in 62301 shares Adams County’s prediction. The zone is a starting point, not a measurement of your house. Zone 1 areas like this one have a high share of homes above 4 pCi/L, so testing is a priority.
Next: read how to test your home, then check the number with the level calculator.
Radon professionals for 62301
These professionals are listed for Adams County that 62301 falls in. Featured listings are paid placements and are labelled.
Inspect It Chicago
(630) 890-8634✓ Verified October 4, 2026 on the official state list dated October 4, 2026, double-checked against a second state list.
Mock's Radon Reduction, Inc.
(217) 242-3121✓ Verified October 4, 2026 on the official state list dated October 4, 2026, double-checked against a second state list.
Peoria Radon Mitigation, Inc
(309) 243-7377✓ Verified October 4, 2026 on the official state list dated October 4, 2026, double-checked against a second state list.
Radon Defenders
(269) 446-0558✓ Verified October 4, 2026 on the official state list dated October 4, 2026, double-checked against a second state list.
Radon Gone LLC
(847) 668-5313✓ Verified October 4, 2026 on the official state list dated October 4, 2026, double-checked against a second state list.
Radon Professional Services
(708) 935-3206✓ Verified October 4, 2026 on the official state list dated October 4, 2026, double-checked against a second state list.
Radon Remedy
(262) 577-5515✓ Verified October 4, 2026 on the official state list dated October 4, 2026, double-checked against a second state list.
Radon Services
(217) 483-5198✓ Verified October 4, 2026 on the official state list dated October 4, 2026, double-checked against a second state list.
Radon Solutions, LLC
(563) 386-8686✓ Verified October 4, 2026 on the official state list dated October 4, 2026, double-checked against a second state list.
Schluter Radon Services
(309) 369-7889✓ Verified October 4, 2026 on the official state list dated October 4, 2026, double-checked against a second state list.
Swat Environmental
(262) 293-9180✓ Verified October 4, 2026 on the official state list dated October 4, 2026, double-checked against a second state list.
See all 51 on the Adams County page →
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Nearby ZIP codes in Adams County
Illinois radon help
IL Emergency Management Agency Radon Program (217-782-4977) can help with test kits, local data and credentialed professionals: iema.illinois.gov/nrs/radon.html.
Frequently asked questions
What is the radon zone for ZIP code 62301?
ZIP 62301 lies in Adams County, which EPA places in Zone 1 (highest potential).
Should I test for radon in 62301?
Yes. EPA recommends testing every home regardless of zone, because radon varies from house to house. Fix the home if a confirmed result is 4 pCi/L or higher, and consider fixing between 2 and 4 pCi/L.
Are there certified radon professionals near 62301?
This page lists 51 professionals for the county that 62301 falls in, each checked against the state's official certification or licence list.
Free checklist · PDF
Radon Test Checklist
A one-page, step-by-step checklist for running a home radon test right the first time, and what to do with the number.
- Short-term vs. long-term test: which to use
- Closed-house conditions and where to place the kit
- What 2, 4 and 8 pCi/L mean and when to fix
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