Drainage Commission

The Yankton County Highway Department will begin their winter hours on Monday, December 01, 2025 and will run until further notice.

At this time the winter hours are:
Monday through Thursday: 6:30am to 5:00pm.

The Yankton County Government Center and all other Yankton County Non-Emergency offices will be closed on Wednesday, December 24th, Thursday, December 25th and Friday, December 26th 2025 to spend the holidays with our loved ones.

Happy Holidays to all!