You can buy your own test kit to find out how much radon is in your home. They are available at hardware stores, as well as at the health department and at these locations throughout the county:
115 N Center Street, Brandon, WI 53919
Open Monday - Friday from 8:30 a.m. to 4:30 p.m. Generally the office is closed over the lunch hour from 12 p.m. to 1 p.m.
Fairwater Village Hall
Civic Center-Lower Level
104 Main St.
Mt. Calvary Village Hall
999 Fond du Lac Street, Mt. Calvary, WI 53057
Contact Village Clerk Mary Merten for hours: firstname.lastname@example.org
North Fond du Lac Village Hall
16 Garfield Street, North Fond du Lac, WI 54937
Open Monday - Friday from 8:00 AM to 4:30 PM
Ripon City Hall
100 Jackson St., Ripon, WI 54971
Open Monday - Friday from 7:30 a.m. - 4:00 p.m.
Learn more about how to test your home for radon at this link: http://fonddulac.uwex.edu/homeradontesting/
If you have questions about radon testing, please call the health department at (920) 929-3085.