Minor maintenance dredging activities meeting the following conditions of IDNR/OWR Statewide Permit Number 11:
(A) The affected length of the stream shall not either singularly or cumulatively exceed 1,000 feet;
(B) The project shall not include the construction of any new channel; all work must be confined to the existing channel or to reestablishing flows in the natural stream channel;
(C) The cross-sectional area of the dredged channel shall conform to that of the natural channel upstream and downstream of the site;
(D) Dredged or spoil material shall not be disposed of in a wetland and shall be either:
(1) Removed from the floodway;
(2) Used to stabilize an existing bank; provided no materials would be placed higher than the existing top of bank, and provided the cross-sectional area of the natural channel would not be reduced by more than 10%, nor the volume of material placed exceed two cubic yards per lineal foot of streambank;
(3) Used to fill an existing washed out or scoured floodplain area such that the average natural floodplain elevation is not increased;
(4) Used to stabilize and existing levee; provided the height of the levee would not be increased nor its alignment changed;
(5) Placed in a disposal site previously approved by the Department in accordance with the conditions of the approval, or
(6) Used for beach nourishment; provided the material meets all applicable water quality standards.
(E) Disturbance of streamside vegetation shall be kept to a minimum during construction to prevent erosion and sedimentation. All disturbed floodway areas, including the stream banks, shall be seeded or otherwise stabilized upon completion of construction.
(Ord. 10-01, passed 7-12-2010)