This free event concludes our Learning on the Land education series this year. It is this season's 28th event.
Bennington Lake is part of a flood control project that uses this off-stream reservoir to store water from Mill Creek during a flash flood event.
In the early 1900s, public concern over the frequent flooding of Walla Walla prompted Virgil B. Bennington, then president of the Walla Walla Chamber of Commerce, to lobby the U.S. Congress for flood protection. Development of Mill Creek Dam system was authorized in the 1938 Flood Control Act. The improved Mill Creek channel and off-stream storage reservoir were completed in 1942. Fifty years later in 1992 the lake was named after Bennington.
The system’s limits were severely tested in early 1996 but saved Walla Walla from being flooded. While water flowed over Tausick Way, the lake, dam and creek successfully prevented a local flood.
Enjoy a tour of this flood control system beginning at Bennington Lake, continuing to the Mill Creek Dam and then following Mill Creek toward downtown Walla Walla.
Both the history of this system and proposals for its redevelopment will be explored on this fascinating trek along the banks of Mill Creek.
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