20D.150.20 Dredging.

20D.150.20-010 Erosion Control.

Dredging operations shall not result in significant erosion above or below the surface of the water or create any unstable land conditions. (Formerly 20C.20.040(05))

20D.150.20-020 Disposal.

Dredge spoils shall be disposed of on land but not within shoreline areas. (Formerly 20C.20.040(10))

20D.150.20-030 Disposal Site.

Dredge spoil disposal sites shall be enclosed by dikes of sufficient capacity to allow for the settling of sediments before entrapped water leaves the diked area. The outside face of the containment must be seeded or otherwise protected to prevent erosion. Disposal sites which have been completely filled shall be drained, tilled and planted by the second growing season following filling. (Formerly 20C.20.040(15))

20D.150.20-040 Dredging for Fill Material.

Dredging for the purpose of obtaining fill or construction materials is prohibited. (Formerly 20C.20.040(20))

20D.150.20-050 Mining.

Mining by the use of dredging techniques is prohibited. (Formerly 20C.20.040(25))

20D.150.20-060 Vegetation Restoration.

Vegetation disturbed by dredging projects shall be restored to its original condition, equal alternative or an improved condition by the use of indigenous vegetation. (Formerly 20C.20.040(30))

20D.150.20-070 Permitted Dredging.

Dredging shall be permitted only for the following:

(1) To maintain navigability; or

(2) To improve water flow or water quality; or

(3) To mitigate conditions which could endanger public health or safety; or

(4) To create or improve public recreational opportunities; or

(5) To provide for the drainage of surface waters for approved development purposes; or

(6) To restore changes to existing natural conditions only if the changes were caused by manmade events and if the restoration is to occur within five years of the changes. (Formerly 20C.20.040(35))

20D.150.20-080 Prohibited Dredging.

Dredging that would cause the spread of milfoil, permanently disturbs vegetation or animal habitats or creates new channels is prohibited. (Formerly 20C.20.040(40))

20D.150.20-090 Dredging Permits.

All dredging requires a grading and clearing permit; see RCDG Title 20F, Administration and Procedures. (Formerly 20C.20.040(45))