The Willmar Municipal Utilities business office is located at:
700 Litchfield Avenue SW
Willmar, MN 56201

The Willmar Municipal Utilities mailing address is:
P.O. Box 937
Willmar, MN 56201

Photo of WMU Building from Litchfield Ave

EMERGENCY and outage calls are handled 24/7 by calling (320) 235-4422.

The WMU Office is closed on Saturday, Sunday and the following holidays:

  • New Years Day
  • Presidents Day
  • Martin Luther King Day
  • Memorial Day
  • Juneteenth
  • Independence Day
  • Labor Day
  • Veterans Day
  • Thanksgiving
  • Day after Thanksgiving
  • Christmas Day

Lobby Hours

7:30 a.m. to 3:00 p.m.
Monday through Friday (except designated holidays)

Business Hours

7:30 a.m. to 4:00 p.m.
Monday through Friday (except designated holidays)


Email: [email protected]
Phone: (320) 235-4422


Drop boxes located at:
Cashwise Foods
700 Litchfield Ave SW drop box
North side of business office customer parking lot