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Hydrograph River at a Glance Download
Broad River in NC/SC at Alston Stage (ft)Flow (kcfs)Observed: 3.77 ft at 10:15AM Aug 03, 2020Observed: 3.78 ft at 10:30AM Aug 03, 2020Observed: 3.78 ft at 10:45AM Aug 03, 2020Observed: 3.94 ft at 11:00AM Aug 03, 2020Observed: 4.21 ft at 11:15AM Aug 03, 2020Observed: 4.19 ft at 11:30AM Aug 03, 2020Observed: 4.09 ft at 11:45AM Aug 03, 2020Observed: 3.99 ft at 12:00PM Aug 03, 2020Observed: 3.92 ft at 12:15PM Aug 03, 2020Observed: 3.87 ft at 12:30PM Aug 03, 2020Observed: 3.84 ft at 12:45PM Aug 03, 2020Observed: 3.82 ft at 1:00PM Aug 03, 2020Observed: 3.81 ft at 1:15PM Aug 03, 2020Observed: 3.8 ft at 1:30PM Aug 03, 2020Observed: 3.79 ft at 1:45PM Aug 03, 2020Observed: 3.79 ft at 2:00PM Aug 03, 2020Observed: 3.79 ft at 2:15PM Aug 03, 2020Observed: 3.79 ft at 2:30PM Aug 03, 2020Observed: 3.79 ft at 2:45PM Aug 03, 2020Observed: 3.79 ft at 3:00PM Aug 03, 2020Observed: 3.79 ft at 3:15PM Aug 03, 2020Observed: 3.8 ft at 3:30PM Aug 03, 2020Observed: 3.79 ft at 3:45PM Aug 03, 2020Observed: 3.8 ft at 4:00PM Aug 03, 2020Observed: 3.8 ft at 4:15PM Aug 03, 2020Observed: 3.85 ft at 4:30PM Aug 03, 2020Observed: 3.92 ft at 4:45PM Aug 03, 2020Observed: 3.91 ft at 5:00PM Aug 03, 2020Observed: 3.92 ft at 5:15PM Aug 03, 2020Observed: 3.9 ft at 5:30PM Aug 03, 2020Observed: 3.87 ft at 5:45PM Aug 03, 2020Observed: 3.84 ft at 6:00PM Aug 03, 2020Observed: 3.82 ft at 6:15PM Aug 03, 2020Observed: 3.81 ft at 6:30PM Aug 03, 2020Observed: 3.81 ft at 6:45PM Aug 03, 2020Observed: 3.81 ft at 7:00PM Aug 03, 2020Observed: 3.82 ft at 7:15PM Aug 03, 2020Observed: 3.84 ft at 7:30PM Aug 03, 2020Observed: 3.87 ft at 7:45PM Aug 03, 2020Observed: 3.92 ft at 8:00PM Aug 03, 2020Observed: 3.98 ft at 8:15PM Aug 03, 2020Observed: 4.03 ft at 8:30PM Aug 03, 2020Observed: 4.07 ft at 8:45PM Aug 03, 2020Observed: 4.09 ft at 9:00PM Aug 03, 2020Observed: 4.11 ft at 9:15PM Aug 03, 2020Observed: 4.11 ft at 9:30PM Aug 03, 2020Observed: 4.11 ft at 9:45PM Aug 03, 2020Observed: 4.09 ft at 10:00PM Aug 03, 2020Observed: 4.09 ft at 10:15PM Aug 03, 2020Observed: 4.08 ft at 10:30PM Aug 03, 2020Observed: 4.08 ft at 10:45PM Aug 03, 2020Observed: 4.07 ft at 11:00PM Aug 03, 2020Observed: 4.07 ft at 11:15PM Aug 03, 2020Observed: 4.07 ft at 11:30PM Aug 03, 2020Observed: 4.08 ft at 11:45PM Aug 03, 2020Observed: 4.09 ft at 12:00AM Aug 04, 2020Observed: 4.1 ft at 12:15AM Aug 04, 2020Observed: 4.1 ft at 12:30AM Aug 04, 2020Observed: 4.11 ft at 12:45AM Aug 04, 2020Observed: 4.11 ft at 1:00AM Aug 04, 2020Observed: 4.08 ft at 1:15AM Aug 04, 2020Observed: 4.06 ft at 1:30AM Aug 04, 2020Observed: 4.03 ft at 1:45AM Aug 04, 2020Observed: 3.99 ft at 2:00AM Aug 04, 2020Observed: 3.95 ft at 2:15AM Aug 04, 2020Observed: 3.91 ft at 2:30AM Aug 04, 2020Observed: 3.87 ft at 2:45AM Aug 04, 2020Observed: 3.84 ft at 3:00AM Aug 04, 2020Observed: 3.82 ft at 3:15AM Aug 04, 2020Observed: 3.8 ft at 3:30AM Aug 04, 2020Observed: 3.79 ft at 3:45AM Aug 04, 2020Observed: 3.77 ft at 4:00AM Aug 04, 2020Observed: 3.76 ft at 4:15AM Aug 04, 2020Observed: 3.75 ft at 4:30AM Aug 04, 2020Observed: 3.74 ft at 4:45AM Aug 04, 2020Observed: 3.73 ft at 5:00AM Aug 04, 2020Observed: 3.73 ft at 5:15AM Aug 04, 2020Observed: 3.72 ft at 5:30AM Aug 04, 2020Observed: 3.71 ft at 5:45AM Aug 04, 2020Observed: 3.71 ft at 6:00AM Aug 04, 2020Observed: 3.71 ft at 6:15AM Aug 04, 2020Observed: 3.71 ft at 6:30AM Aug 04, 2020Observed: 3.7 ft at 6:45AM Aug 04, 2020Observed: 3.7 ft at 7:00AM Aug 04, 2020Observed: 3.7 ft at 7:15AM Aug 04, 2020Observed: 3.69 ft at 7:30AM Aug 04, 2020Observed: 3.69 ft at 7:45AM Aug 04, 2020Observed: 3.69 ft at 8:00AM Aug 04, 2020Observed: 3.9 ft at 8:15AM Aug 04, 2020Observed: 4.77 ft at 8:30AM Aug 04, 2020Observed: 5.41 ft at 8:45AM Aug 04, 2020Observed: 5.71 ft at 9:00AM Aug 04, 2020Observed: 5.85 ft at 9:15AM Aug 04, 2020Observed: 5.93 ft at 9:30AM Aug 04, 2020Observed: 6.03 ft at 9:45AM Aug 04, 2020Observed: 6.47 ft at 10:00AM Aug 04, 2020Observed: 6.83 ft at 10:15AM Aug 04, 2020Observed: 7.06 ft at 10:30AM Aug 04, 2020Observed: 7.18 ft at 10:45AM Aug 04, 2020Observed: 7.23 ft at 11:00AM Aug 04, 2020Observed: 7.25 ft at 11:15AM Aug 04, 2020Observed: 7.25 ft at 11:30AM Aug 04, 2020Observed: 7.23 ft at 11:45AM Aug 04, 2020Observed: 7.19 ft at 12:00PM Aug 04, 2020Observed: 7.15 ft at 12:15PM Aug 04, 2020Observed: 7.21 ft at 12:30PM Aug 04, 2020Observed: 7.55 ft at 12:45PM Aug 04, 2020Observed: 7.78 ft at 1:00PM Aug 04, 2020Observed: 7.92 ft at 1:15PM Aug 04, 2020Observed: 8.01 ft at 1:30PM Aug 04, 2020Observed: 8.09 ft at 1:45PM Aug 04, 2020Observed: 8.13 ft at 2:00PM Aug 04, 2020Observed: 8.17 ft at 2:15PM Aug 04, 2020Observed: 8.21 ft at 2:30PM Aug 04, 2020Observed: 8.11 ft at 2:45PM Aug 04, 2020Observed: 7.78 ft at 3:00PM Aug 04, 2020Observed: 7.53 ft at 3:15PM Aug 04, 2020Observed: 7.44 ft at 3:30PM Aug 04, 2020Observed: 7.45 ft at 3:45PM Aug 04, 2020Observed: 7.46 ft at 4:00PM Aug 04, 2020Observed: 7.51 ft at 4:15PM Aug 04, 2020Observed: 7.62 ft at 4:30PM Aug 04, 2020Observed: 7.74 ft at 4:45PM Aug 04, 2020Observed: 7.81 ft at 5:00PM Aug 04, 2020Observed: 7.9 ft at 5:15PM Aug 04, 2020Observed: 8.03 ft at 5:30PM Aug 04, 2020Observed: 8.14 ft at 5:45PM Aug 04, 2020Observed: 8.2 ft at 6:00PM Aug 04, 2020Observed: 8.28 ft at 6:15PM Aug 04, 2020Observed: 8.35 ft at 6:30PM Aug 04, 2020Observed: 8.43 ft at 6:45PM Aug 04, 2020Observed: 8.57 ft at 7:00PM Aug 04, 2020Observed: 8.71 ft at 7:15PM Aug 04, 2020Observed: 8.87 ft at 7:30PM Aug 04, 2020Observed: 9.09 ft at 7:45PM Aug 04, 2020Observed: 9.31 ft at 8:00PM Aug 04, 2020Observed: 9.47 ft at 8:15PM Aug 04, 2020Observed: 9.65 ft at 8:30PM Aug 04, 2020Observed: 9.81 ft at 8:45PM Aug 04, 2020Observed: 9.94 ft at 9:00PM Aug 04, 2020Observed: 10.01 ft at 9:15PM Aug 04, 2020Observed: 10.08 ft at 9:30PM Aug 04, 2020Observed: 10.14 ft at 9:45PM Aug 04, 2020Highest Observation: 10.17 ft at 10:00PM Aug 04, 2020Observed: 10.12 ft at 10:15PM Aug 04, 2020Observed: 9.99 ft at 10:30PM Aug 04, 2020Observed: 9.88 ft at 10:45PM Aug 04, 2020Observed: 9.75 ft at 11:00PM Aug 04, 2020Observed: 9.6 ft at 11:15PM Aug 04, 2020Observed: 9.46 ft at 11:30PM Aug 04, 2020Observed: 9.32 ft at 11:45PM Aug 04, 2020Observed: 9.19 ft at 12:00AM Aug 05, 2020Observed: 8.98 ft at 12:15AM Aug 05, 2020Observed: 8.79 ft at 12:30AM Aug 05, 2020Observed: 8.6 ft at 12:45AM Aug 05, 2020Observed: 8.35 ft at 1:00AM Aug 05, 2020Observed: 8.09 ft at 1:15AM Aug 05, 2020Observed: 7.84 ft at 1:30AM Aug 05, 2020Observed: 7.59 ft at 1:45AM Aug 05, 2020Observed: 7.34 ft at 2:00AM Aug 05, 2020Observed: 7.07 ft at 2:15AM Aug 05, 2020Observed: 6.78 ft at 2:30AM Aug 05, 2020Observed: 6.44 ft at 2:45AM Aug 05, 2020Observed: 6.11 ft at 3:00AM Aug 05, 2020Observed: 5.79 ft at 3:15AM Aug 05, 2020Observed: 5.48 ft at 3:30AM Aug 05, 2020Observed: 5.18 ft at 3:45AM Aug 05, 2020Observed: 4.88 ft at 4:00AM Aug 05, 2020Observed: 4.62 ft at 4:15AM Aug 05, 2020Observed: 4.39 ft at 4:30AM Aug 05, 2020Observed: 4.2 ft at 4:45AM Aug 05, 2020Observed: 4.05 ft at 5:00AM Aug 05, 2020Observed: 3.94 ft at 5:15AM Aug 05, 2020Observed: 3.85 ft at 5:30AM Aug 05, 2020Observed: 3.79 ft at 5:45AM Aug 05, 2020Observed: 3.74 ft at 6:00AM Aug 05, 2020Observed: 3.7 ft at 6:15AM Aug 05, 2020Observed: 3.67 ft at 6:30AM Aug 05, 2020Observed: 3.65 ft at 6:45AM Aug 05, 2020Observed: 3.63 ft at 7:00AM Aug 05, 2020Observed: 3.62 ft at 7:15AM Aug 05, 2020Observed: 3.62 ft at 7:30AM Aug 05, 2020Observed: 3.61 ft at 7:45AM Aug 05, 2020Observed: 3.61 ft at 8:00AM Aug 05, 2020Observed: 3.6 ft at 8:15AM Aug 05, 2020Observed: 3.6 ft at 8:30AM Aug 05, 2020Observed: 3.6 ft at 8:45AM Aug 05, 2020Observed: 3.6 ft at 9:00AM Aug 05, 2020Observed: 3.6 ft at 9:15AM Aug 05, 2020Observed: 3.6 ft at 9:30AM Aug 05, 2020Observed: 3.6 ft at 9:45AM Aug 05, 2020Observed: 3.6 ft at 10:00AM Aug 05, 2020Observed: 3.6 ft at 10:15AM Aug 05, 2020Observed: 3.6 ft at 10:30AM Aug 05, 2020Observed: 3.6 ft at 10:45AM Aug 05, 2020Observed: 3.6 ft at 11:00AM Aug 05, 2020Observed: 3.6 ft at 11:15AM Aug 05, 2020Observed: 3.6 ft at 11:30AM Aug 05, 2020Observed: 3.6 ft at 11:45AM Aug 05, 2020Observed: 3.61 ft at 12:00PM Aug 05, 2020Observed: 3.61 ft at 12:15PM Aug 05, 2020Observed: 3.61 ft at 12:30PM Aug 05, 2020Observed: 3.61 ft at 12:45PM Aug 05, 2020Observed: 3.62 ft at 1:00PM Aug 05, 2020Observed: 3.62 ft at 1:15PM Aug 05, 2020Observed: 3.62 ft at 1:30PM Aug 05, 2020Observed: 3.61 ft at 1:45PM Aug 05, 2020Observed: 3.62 ft at 2:00PM Aug 05, 2020Observed: 3.62 ft at 2:15PM Aug 05, 2020Observed: 3.62 ft at 2:30PM Aug 05, 2020Observed: 3.62 ft at 2:45PM Aug 05, 2020Observed: 3.62 ft at 3:00PM Aug 05, 2020Observed: 3.62 ft at 3:15PM Aug 05, 2020Observed: 3.63 ft at 3:30PM Aug 05, 2020Observed: 3.63 ft at 3:45PM Aug 05, 2020Observed: 3.63 ft at 4:00PM Aug 05, 2020Observed: 3.63 ft at 4:15PM Aug 05, 2020Observed: 3.63 ft at 4:30PM Aug 05, 2020Observed: 3.64 ft at 4:45PM Aug 05, 2020Observed: 3.65 ft at 5:00PM Aug 05, 2020Observed: 3.67 ft at 5:15PM Aug 05, 2020Observed: 3.77 ft at 5:30PM Aug 05, 2020Observed: 3.93 ft at 5:45PM Aug 05, 2020Observed: 4.18 ft at 6:00PM Aug 05, 2020Observed: 4.49 ft at 6:15PM Aug 05, 2020Observed: 4.81 ft at 6:30PM Aug 05, 2020Observed: 5.09 ft at 6:45PM Aug 05, 2020Observed: 5.38 ft at 7:00PM Aug 05, 2020Observed: 5.65 ft at 7:15PM Aug 05, 2020Observed: 5.91 ft at 7:30PM Aug 05, 2020Observed: 6.13 ft at 7:45PM Aug 05, 2020Observed: 6.34 ft at 8:00PM Aug 05, 2020Observed: 6.51 ft at 8:15PM Aug 05, 2020Observed: 6.68 ft at 8:30PM Aug 05, 2020Observed: 6.8 ft at 8:45PM Aug 05, 2020Observed: 6.88 ft at 9:00PM Aug 05, 2020Observed: 6.95 ft at 9:15PM Aug 05, 2020Observed: 6.98 ft at 9:30PM Aug 05, 2020Observed: 6.97 ft at 9:45PM Aug 05, 2020Observed: 6.95 ft at 10:00PM Aug 05, 2020Observed: 6.93 ft at 10:15PM Aug 05, 2020Observed: 6.9 ft at 10:30PM Aug 05, 2020Observed: 6.87 ft at 10:45PM Aug 05, 2020Observed: 6.84 ft at 11:00PM Aug 05, 2020Observed: 6.8 ft at 11:15PM Aug 05, 2020Observed: 6.77 ft at 11:30PM Aug 05, 2020Observed: 6.74 ft at 11:45PM Aug 05, 2020Observed: 6.7 ft at 12:00AM Aug 06, 2020Observed: 6.66 ft at 12:15AM Aug 06, 2020Observed: 6.63 ft at 12:30AM Aug 06, 2020Observed: 6.59 ft at 12:45AM Aug 06, 2020Observed: 6.52 ft at 1:00AM Aug 06, 2020Observed: 6.43 ft at 1:15AM Aug 06, 2020Observed: 6.36 ft at 1:30AM Aug 06, 2020Observed: 6.25 ft at 1:45AM Aug 06, 2020Observed: 6.11 ft at 2:00AM Aug 06, 2020Observed: 5.98 ft at 2:15AM Aug 06, 2020Observed: 5.85 ft at 2:30AM Aug 06, 2020Observed: 5.69 ft at 2:45AM Aug 06, 2020Observed: 5.52 ft at 3:00AM Aug 06, 2020Observed: 5.37 ft at 3:15AM Aug 06, 2020Observed: 5.22 ft at 3:30AM Aug 06, 2020Observed: 5.07 ft at 3:45AM Aug 06, 2020Observed: 4.94 ft at 4:00AM Aug 06, 2020Observed: 4.81 ft at 4:15AM Aug 06, 2020Observed: 4.69 ft at 4:30AM Aug 06, 2020Observed: 4.57 ft at 4:45AM Aug 06, 2020Observed: 4.46 ft at 5:00AM Aug 06, 2020Observed: 4.35 ft at 5:15AM Aug 06, 2020Observed: 4.24 ft at 5:30AM Aug 06, 2020Observed: 4.15 ft at 5:45AM Aug 06, 2020Observed: 4.06 ft at 6:00AM Aug 06, 2020Observed: 3.98 ft at 6:15AM Aug 06, 2020Observed: 3.91 ft at 6:30AM Aug 06, 2020Observed: 3.85 ft at 6:45AM Aug 06, 2020Observed: 3.8 ft at 7:00AM Aug 06, 2020Observed: 3.76 ft at 7:15AM Aug 06, 2020Observed: 3.73 ft at 7:30AM Aug 06, 2020Observed: 3.71 ft at 7:45AM Aug 06, 2020Observed: 3.69 ft at 8:00AM Aug 06, 2020Observed: 3.67 ft at 8:15AM Aug 06, 2020Observed: 3.66 ft at 8:30AM Aug 06, 2020Observed: 3.65 ft at 8:45AM Aug 06, 2020Observed: 3.64 ft at 9:00AM Aug 06, 2020USGS--Water Resources of the United StatesALTS1(plotting HGIRG) Graph Created (10:01AM Aug 6, 2020)ObservedLatest observed value: 3.64 ft at 9:00 AM EDT 6-Aug-2020. Flood Stage is 20 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts are not available for the Broad River in NC/SC at Alston. Only observed stages are available for this point.
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Upstream Gauge - at Parr Reservoir Upstream Gauge Downstream Gauge Downstream Gauge - at Columbia
Flood Categories (in feet)
Major Flood Stage: 30
Moderate Flood Stage: 25
Flood Stage: 20
Action Stage: 11.5
Low Stage (in feet): 0

Historic Crests
(1) 29.02 ft on 06/07/1903
(2) 27.99 ft on 02/08/2020
(3) 26.94 ft on 10/14/1990
(4) 26.87 ft on 10/05/1990
(5) 25.90 ft on 03/03/1987
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 27.99 ft on 02/08/2020
(2) 18.04 ft on 10/12/2018
(3) 20.79 ft on 02/07/2010
(4) 15.74 ft on 03/03/2009
(5) 15.40 ft on 08/27/2008
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.43 ft on 08/30/2007
(2) 2.48 ft on 08/31/2007
Show More Low Water Records
Zoom Level:14
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
About This Location Collapse

Latitude: 34.243056° N, Longitude: 81.319722° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 20 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Columbia Weather Forecast Office
2909 Aviation Way
West Columbia, SC 29170-2102
(803) 822-8135
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