Contact Information
Main Office
Address:
Lake County Extension
1000 S Egan Ave
Madison SD 57042
Phone:
605-256-7603
Office Hours:
8:00 am – 12:00 pm and 1:00 pm – 5:00 pm
Monday – Friday (excluding Holidays)
Announcements
Road Closure
Tuesday, September 29, 2026
463rd Ave between 234th St and 231st St will be closed until further notice.
Voter Registration Deadline
Friday, September 11, 2026
Voter registration for the General Election to be held on November 3, 2026, will close on
October 19, 2026 at 5:00 p.m.
Road Repair
Wednesday, September 9, 2026
Louiseau Construction will be working on 463rd (CR 17). Please avoid traveling on this road until the project is completed.
Drivers Exam closed
Monday, February 23, 2026
Due to staffing, the drivers exam, located at the 4-H grounds, is closed until further notice