Waterway alterations

Waterway alterations. Waterway alterations. Nothing in these rules authorizes any permanent or temporary change in the course of a navigable stream, or removal of material from the bed of any waterway without proper authority from the department of natural resources under ss. 30.195 and 30.20 , Stats. Excavation in the stream bed, sufficient to place structure elements, is considered a necessary part of placing the structure.