Golden Eagle — Brown County, Kansas: Emergency Streambank Stabilization

The Kickapoo Water Intake Structure on the Delaware River is located on the Kickapoo Reservation in southern Brown County, Kansas, approximately 6 miles west of Horton, Kansas, and 1/2 mile south of Kansas 20. It is in section 32 of Township 4 South, Range 16 East. This paper addresses bank instability problems in the vicinity of a water intake structure owned/operated/maintained by the Kickapoo Tribe of Kansas. Eroding left and right banks around the concrete weir structure have undergone previous attempts at stabilization. Previous repairs have not performed successfully. Erosion has continued, both in the area that had been protected by previous revetments immediately downstream of the weir, and along both banks for approximately 200 feet farther downstream. Bank erosion continues to threaten the stability of the structure, water supply lines, and the access road to the site. The purpose of this paper is to assess the instability problems, provide and compare conceptual alternatives with respect to feasibility, and make a recommendation as to the preferred alternative to accomplish the repairs.