Encroachments in the Floodway Near Peak Flooding (IMAGE)

Washington University in St. Louis

Encroachments in the Floodway Near Peak Flooding

Caption

In this Federal Emergency Management Agency map of the Meramec River near Valley Park, Mo., the light blue corresponds to the floodplain area that can be expected to be inundated in a 100-year flood. The green and brown areas together are the river's floodway as it was defined in 1995. This is the area that by law must be kept free of encroachments. The floodway was redrawn and substantially narrowed in 2015 (brown) and the landfill (squared off pyramid) that once encroached on the floodway now lies outside of it.

Credit

Bob Criss

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