Whipple Creek Stream Restoration Project - Aquatic Contracting

Ridgefield, WA

AC was contracted by Clark County to construct stream restoration and floodplain enhancement measures on approximately one-half mile of Whipple Creek. Development within the watershed has increased stormwater runoff and flooding along Whipple Creek. The resulting incised channel has further disconnected the creek from its floodplain and adjacent wetlands.

To improve floodplain connectivity, minimize channel incision, and enhance in-stream habitat conditions, AC constructed 15 valley-spanning log jams and grade control log structures using over 350 pieces of large woody debris. Using a combination of buried log weirs, rock, and fabric encased soil lifts, AC stabilized portions of the stream bed that had experienced significant downcutting.

At the County’s request, AC returned to construct a nature trail through the approximately 40 acre natural area before installing thousands of native bareroot plants.

Using a combination of buried log weirs, rock, and fabric encased soil lifts, AC stabilized portions of the stream bed that had experienced significant downcutting.

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