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Board adopts local Coconino Wash floodplain study for Tusayan after updated modeling
Summary
Coconino County’s flood control district adopted a local floodplain study for the Tusayan/Coconino Wash area based on updated J Fuller modeling that shows larger inundation zones and more affected parcels than FEMA maps; board approved directing the floodplain administrator to amend county flood maps.
The Coconino County Flood Control District voted to adopt the Coconino Wash floodplain study for the Tusayan area after receiving an overview of updated hydrology and geomorphology modeling. Flood Control staff said the new local mapping shows a substantially larger floodplain and higher volumes of water than the older FEMA map and that…
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