PHILPOTT RES AT PHILPOTT DAM NR PHILPOTT

RESERVOIR LEVELS
December 21, 2024
979 ft 36.78, -80.03


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Philpott Dam, located in Virginia, is a crucial structure built by the US Army Corps of Engineers to reduce flood risks along the Smith River. Completed in 1953, this gravity dam stands at a height of 220 feet and has a storage capacity of 318,300 acre-feet. While the dam has performed well over the past 70 years, there are concerns about its ability to withstand extremely rare flood events due to concrete expansion issues. In the event of a catastrophic failure, floodwaters could reach as high as 30 feet in nearby areas, causing significant damage and posing a threat to residents downstream.

To manage these risks, the US Army Corps of Engineers closely monitors weather forecasts and stream gauges to predict inflow and outflow. They work in collaboration with the National Weather Service and other agencies to prepare for emergency response efforts and provide timely information to local emergency managers. Regular inspections and risk assessments are conducted, and plans for an advanced risk assessment study are in place to further mitigate potential hazards. The Emergency Action Plan has been updated, additional instrumentation installed, and monitoring frequency increased to enhance the dam's safety measures and response capabilities in case of an emergency.

Lake Or Reservoir Water Surface Elevation Above Ngvd 1929, Ft 24hr Change -0.01%
Percent of Normal 100%
Minimum 961.43 ft
2008-11-13
Maximum 985.26 ft
2020-05-22
Average 972 ft
Hydraulic_Height 218
Drainage_Area 212
Year_Completed 1953
Nid_Storage 318300
Structural_Height 220
Primary_Dam_Type Gravity
Foundations Rock
Surface_Area 2880
Outlet_Gates Slide (sluice gate) - 0
River_Or_Stream SMITH RIVER
Dam_Length 920
Hazard_Potential High
Nid_Height 220
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