The City of Decorah Water Department is Responsible for maintenance and operations of 6 City wells, as well as the water main pipes. Our main goal is to assure the people of the City of Decorah that they are drinking high quality water and that the supply is always adequate for drinking, as well as fire protection. The Water Dept. is located at the West end of Water Street at 800 W. Water. The hours of operation are 7:00 a.m. to 4 p.m., Monday through Friday, with personnel checking on wells, testing water, and doing rounds on Saturdays, Sundays and all Holidays.