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Washoe County outlines FEMA remapping projects for North Spanish Springs, Lehi Valley and South Truckee Meadows
Summary
County engineering staff updated commissioners on ongoing FEMA floodplain remapping work in Boneyard Flat (North Spanish Springs), Swan Lake/Lehi Valley and South Truckee Meadows, described use of lidar and updated modeling, and announced a public meeting on the Swan Lake update next Wednesday.
Duane Smith, Washoe County director of engineering and capital projects, briefed the Board of Commissioners on multiple FEMA floodplain remapping projects and the county’s role in floodplain risk management.
Smith said flood maps are “snapshots in time” and that many maps nationwide are out of date; he told commissioners that roughly 30 percent of FEMA’s annual flood claims are for properties outside designated high‑risk flood zones. He emphasized that local knowledge, updated terrain data (including lidar) and improved hydraulic modeling produce more accurate maps…
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