Oklahoma Administrative Code
Title 300 - Grand River Dam Authority
Chapter 35 - Lake Rules
Subchapter 13 - Permits for Dikes, Excavations, Dredgings, Erosion Control Devices, Retaining Walls, and Shoreline Stabilization
Section 300:35-13-1 - Permit required

(a) The contour, elevation or surface of any of GRDA's lands or the reservoir bed shall not be changed in any manner whatsoever by the construction of retaining walls, erosion control devices, dams, dikes, jetties, channels, canals or landings until and unless a permit has been issued by GRDA.

(b) No person, firm, partnership, corporation or other entity may excavate, dredge, stabilize or make any improvement or change upon GRDA land or waters until a permit has been issued by GRDA. Approval from the Federal Energy Regulatory Commission (FERC), the U.S. Army Corps of Engineers (Corps), and other state and local agencies may also be required. All such activities shall be performed in strict accordance with the plans and specifications approved by GRDA (and, if required, by FERC and the Corps). Additionally, an approved wetland delineation report and metals testing report may be required prior to the commencement of any dredging or excavation activity.