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Broad River at Gaston Shoals Reservoir and Dam, 5 WNW Blacksburg

National Weather Service gauge BLAS1 · South Carolina · Cherokee County · 35.1376, -81.5979 · USGS 02153051

Flood levels

Official flood levels at this gauge: action stage begins at 102.0 ft; minor flooding begins at 104.8 ft; moderate flooding begins at 108.0 ft; major flooding begins at 110.0 ft.

Action stage102.0 ft
Minor flooding104.8 ft
Moderate flooding108.0 ft
Major flooding110.0 ft

Highest recorded crests

What the water does

National Weather Service impact statements for this gauge, in the Weather Service's own words.

100.0 ftFULL POOL.. 2685 CFS.. FLS @ 102
102.0 ftMINOR DOWNSTREAM EFFECTS ARE POSSIBLE DUE TO HIGHWATER. WATER WILL APPROACH ROAD TO DAM AND POWER HOUSE. FLS NEEDED.
103.8 ftAT THIS LEVEL THE POWER PLANT SUBSTATION ROAD WILL LIKELY BE FLOODED. BBGS1 GAGE DOWNSTREAM WILL MOST LIKELY BE READING AROUND 21 FT.
104.8 ftROAD TO DAM AND POWER HOUSE WILL BE FLOODED. BRIDGES DOWNSTREAM SUCH AS SC HWY 18, HWY 29 AND I-85 WILL LIKELY BE CLOSED. BACK WATER EFFECTS WILL BE LIKELY ON BUFFALO CREEK.

Forecast office: NWS Greer · River Forecast Center: Southeast River Forecast Center.

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