MN ยท Winona County
Radon Test Kits in Winona, MN
The kit counter in Winona is 225 W. 2nd Street, not the county's 202 West Third Street address. Short-term kits are $5, grant funded, Monday to Friday, 8:00 a.m. to 4:30 p.m., excluding holidays. Call Ross Dunsmoor at 507-457-6402 with testing questions.
Last verified October 1, 2026. Confirm the official page before you travel. Prices and stock change.
Local option
Winona County short-term radon kits
Winona County sells short-term radon test kits for $5 at 225 W. 2nd Street. The page says that price is grant funded.
$5
The current cost is $5 per short-term kit. The page says that price is grant funded. After the grant expires, it says you may buy a kit from the links on the page. It does not list that later price.
Buy a short-term kit at 225 W. 2nd Street, Winona. Questions on the page go to Ross Dunsmoor at 507-457-6402. Long-term kits are not sold at that $5 price. The page points you to a separate online link for those.
Planning and Environmental Services
This is the Winona office.
225 W. 2nd Street
Winona, MN 55987
Hours: Monday to Friday, 8:00 a.m. to 4:30 p.m., excluding holidays.
Phone: 507-457-6402
Office hours on the radon page are Monday through Friday, 8 a.m. to 4:30 p.m., excluding holidays. The county's main address, 202 West Third Street, is a different building and is not the kit counter. The page links Air Chek for a short-term kit and Radonova for a long-term kit. Those online prices are not the $5 office price.
Minnesota Department of Health radon program
MDH says every Minnesota home should be tested. In Minnesota, more than two in five homes have radon levels that pose a significant health risk.
MDH's overview page does not sell a state kit or list a state kit price.
Use MDH for testing rules, the radon data portal, and licensed measurement or mitigation professionals. Indoor Air Unit: 651-201-4601, health.indoorair@state.mn.us.
MDH says the EPA action level is 4 pCi/L. MDH recommends a mitigation system at 4 pCi/L or higher, and says a system can be considered between 2 and 4 pCi/L. Testing steps are on the MDH radon testing page.