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Hydrograph River at a Glance Download
Flint River (GA) at Lake Blackshear Pool (ft)Observed: 236.95 ft at 4:00AM May 01, 2024Observed: 236.95 ft at 5:00AM May 01, 2024Observed: 236.95 ft at 6:00AM May 01, 2024Observed: 236.95 ft at 7:00AM May 01, 2024Observed: 236.95 ft at 8:00AM May 01, 2024Observed: 236.95 ft at 9:00AM May 01, 2024Observed: 236.95 ft at 10:00AM May 01, 2024Observed: 236.95 ft at 11:00AM May 01, 2024Observed: 236.94 ft at 12:00PM May 01, 2024Observed: 236.94 ft at 1:00PM May 01, 2024Observed: 236.94 ft at 2:00PM May 01, 2024Observed: 236.93 ft at 3:00PM May 01, 2024Observed: 236.93 ft at 4:00PM May 01, 2024Observed: 236.93 ft at 5:00PM May 01, 2024Observed: 236.94 ft at 6:00PM May 01, 2024Observed: 236.94 ft at 7:00PM May 01, 2024Observed: 236.94 ft at 8:00PM May 01, 2024Observed: 236.93 ft at 9:00PM May 01, 2024Observed: 236.94 ft at 10:00PM May 01, 2024Observed: 236.93 ft at 11:00PM May 01, 2024Observed: 236.92 ft at 12:00AM May 02, 2024Observed: 236.93 ft at 1:00AM May 02, 2024Observed: 236.92 ft at 2:00AM May 02, 2024Observed: 236.92 ft at 3:00AM May 02, 2024Observed: 236.92 ft at 4:00AM May 02, 2024Observed: 236.92 ft at 5:00AM May 02, 2024Observed: 236.93 ft at 6:00AM May 02, 2024Observed: 236.93 ft at 7:00AM May 02, 2024Observed: 236.93 ft at 8:00AM May 02, 2024Observed: 236.93 ft at 9:00AM May 02, 2024Observed: 236.93 ft at 10:00AM May 02, 2024Observed: 236.92 ft at 11:00AM May 02, 2024Observed: 236.92 ft at 12:00PM May 02, 2024Observed: 236.93 ft at 2:00PM May 02, 2024Observed: 236.89 ft at 3:00PM May 02, 2024Observed: 236.9 ft at 4:00PM May 02, 2024Observed: 236.92 ft at 5:00PM May 02, 2024Observed: 236.94 ft at 6:00PM May 02, 2024Observed: 236.93 ft at 7:00PM May 02, 2024Observed: 236.94 ft at 8:00PM May 02, 2024Observed: 236.95 ft at 9:00PM May 02, 2024Observed: 236.95 ft at 10:00PM May 02, 2024Observed: 236.95 ft at 11:00PM May 02, 2024Observed: 236.96 ft at 12:00AM May 03, 2024Observed: 236.95 ft at 1:00AM May 03, 2024Observed: 236.94 ft at 2:00AM May 03, 2024Observed: 236.95 ft at 3:00AM May 03, 2024Observed: 236.95 ft at 4:00AM May 03, 2024Observed: 236.95 ft at 5:00AM May 03, 2024Observed: 236.96 ft at 6:00AM May 03, 2024Observed: 236.97 ft at 7:00AM May 03, 2024Observed: 236.96 ft at 8:00AM May 03, 2024Observed: 236.96 ft at 9:00AM May 03, 2024Observed: 236.98 ft at 10:00AM May 03, 2024Observed: 236.96 ft at 11:00AM May 03, 2024Observed: 236.97 ft at 12:00PM May 03, 2024Observed: 236.97 ft at 1:00PM May 03, 2024Observed: 236.96 ft at 2:00PM May 03, 2024Observed: 236.96 ft at 3:00PM May 03, 2024Observed: 236.95 ft at 4:00PM May 03, 2024Observed: 236.96 ft at 5:00PM May 03, 2024Observed: 237 ft at 6:00PM May 03, 2024Observed: 237 ft at 7:00PM May 03, 2024Observed: 236.98 ft at 8:00PM May 03, 2024Observed: 237 ft at 9:00PM May 03, 2024Observed: 236.97 ft at 10:00PM May 03, 2024Observed: 236.97 ft at 11:00PM May 03, 2024Observed: 236.99 ft at 11:59PM May 03, 2024Observed: 236.97 ft at 1:00AM May 04, 2024Observed: 236.99 ft at 2:00AM May 04, 2024Observed: 236.99 ft at 3:00AM May 04, 2024Observed: 236.97 ft at 4:00AM May 04, 2024Observed: 236.97 ft at 5:00AM May 04, 2024Observed: 236.97 ft at 6:00AM May 04, 2024Observed: 236.97 ft at 7:00AM May 04, 2024Observed: 236.98 ft at 8:00AM May 04, 2024Observed: 236.97 ft at 9:00AM May 04, 2024Observed: 236.96 ft at 10:00AM May 04, 2024Observed: 236.96 ft at 11:00AM May 04, 2024Observed: 236.96 ft at 12:00PM May 04, 2024Observed: 236.96 ft at 1:00PM May 04, 2024Observed: 236.96 ft at 2:00PM May 04, 2024Observed: 236.95 ft at 3:00PM May 04, 2024Observed: 236.9 ft at 4:00PM May 04, 2024Observed: 236.95 ft at 5:00PM May 04, 2024Observed: 237.04 ft at 6:00PM May 04, 2024Observed: 236.92 ft at 7:00PM May 04, 2024Observed: 236.95 ft at 8:00PM May 04, 2024Observed: 236.98 ft at 9:00PM May 04, 2024Observed: 236.97 ft at 10:00PM May 04, 2024Observed: 236.97 ft at 11:00PM May 04, 2024Observed: 236.98 ft at 12:00AM May 05, 2024Observed: 236.97 ft at 1:00AM May 05, 2024Observed: 236.98 ft at 2:00AM May 05, 2024Observed: 236.97 ft at 3:00AM May 05, 2024Observed: 236.96 ft at 4:00AM May 05, 2024Observed: 236.97 ft at 5:00AM May 05, 2024Observed: 236.97 ft at 6:00AM May 05, 2024Observed: 236.97 ft at 7:00AM May 05, 2024Observed: 236.97 ft at 8:00AM May 05, 2024Observed: 236.97 ft at 9:00AM May 05, 2024Observed: 236.96 ft at 10:00AM May 05, 2024Observed: 236.96 ft at 11:00AM May 05, 2024Observed: 236.96 ft at 12:00PM May 05, 2024Observed: 236.96 ft at 1:00PM May 05, 2024Observed: 236.96 ft at 2:00PM May 05, 2024Observed: 236.95 ft at 3:00PM May 05, 2024Observed: 236.95 ft at 4:00PM May 05, 2024Observed: 236.94 ft at 5:00PM May 05, 2024Observed: 236.94 ft at 6:00PM May 05, 2024Observed: 237.04 ft at 7:00PM May 05, 2024Observed: 236.98 ft at 8:00PM May 05, 2024Observed: 236.9 ft at 9:00PM May 05, 2024Observed: 236.97 ft at 10:00PM May 05, 2024Observed: 236.95 ft at 11:00PM May 05, 2024Observed: 236.94 ft at 12:00AM May 06, 2024Observed: 236.96 ft at 1:00AM May 06, 2024Observed: 236.94 ft at 2:00AM May 06, 2024Observed: 236.93 ft at 3:00AM May 06, 2024Observed: 236.95 ft at 4:00AM May 06, 2024Observed: 236.97 ft at 5:00AM May 06, 2024Observed: 236.94 ft at 6:00AM May 06, 2024Observed: 236.94 ft at 7:00AM May 06, 2024Observed: 236.94 ft at 8:00AM May 06, 2024Observed: 236.94 ft at 9:00AM May 06, 2024Observed: 236.94 ft at 10:00AM May 06, 2024Observed: 236.94 ft at 11:00AM May 06, 2024Observed: 236.94 ft at 12:00PM May 06, 2024Observed: 236.95 ft at 1:00PM May 06, 2024Observed: 236.95 ft at 2:00PM May 06, 2024Observed: 236.95 ft at 3:00PM May 06, 2024Observed: 236.95 ft at 4:00PM May 06, 2024Observed: 236.95 ft at 5:00PM May 06, 2024Observed: 236.96 ft at 6:00PM May 06, 2024Observed: 236.96 ft at 7:00PM May 06, 2024Observed: 236.96 ft at 8:00PM May 06, 2024Observed: 236.98 ft at 9:00PM May 06, 2024Observed: 236.98 ft at 10:00PM May 06, 2024Observed: 236.97 ft at 11:00PM May 06, 2024Observed: 236.97 ft at 11:59PM May 06, 2024Observed: 236.97 ft at 1:00AM May 07, 2024Observed: 236.99 ft at 2:00AM May 07, 2024Observed: 237 ft at 3:00AM May 07, 2024Observed: 236.99 ft at 4:00AM May 07, 2024Observed: 236.98 ft at 5:00AM May 07, 2024Observed: 237.01 ft at 6:00AM May 07, 2024Observed: 237.01 ft at 7:00AM May 07, 2024Observed: 237 ft at 8:00AM May 07, 2024Observed: 237 ft at 9:00AM May 07, 2024Observed: 237 ft at 10:00AM May 07, 2024Observed: 237 ft at 11:00AM May 07, 2024Observed: 237 ft at 12:00PM May 07, 2024Observed: 236.99 ft at 1:00PM May 07, 2024Observed: 236.95 ft at 5:00PM May 07, 2024Observed: 236.95 ft at 6:00PM May 07, 2024Observed: 236.95 ft at 7:00PM May 07, 2024Observed: 236.96 ft at 8:00PM May 07, 2024Observed: 236.97 ft at 9:00PM May 07, 2024Observed: 236.97 ft at 10:00PM May 07, 2024Observed: 236.96 ft at 11:59PM May 07, 2024Observed: 236.97 ft at 1:00AM May 08, 2024Observed: 236.97 ft at 2:00AM May 08, 2024Observed: 236.96 ft at 3:00AM May 08, 2024Observed: 236.96 ft at 4:00AM May 08, 2024Observed: 236.96 ft at 5:00AM May 08, 2024Observed: 236.99 ft at 6:00AM May 08, 2024Observed: 237.01 ft at 7:00AM May 08, 2024Observed: 237 ft at 8:00AM May 08, 2024Observed: 236.99 ft at 9:00AM May 08, 2024Observed: 236.99 ft at 10:00AM May 08, 2024Observed: 237 ft at 11:00AM May 08, 2024Observed: 237 ft at 12:00PM May 08, 2024Observed: 236.97 ft at 1:00PM May 08, 2024Observed: 237 ft at 2:00PM May 08, 2024Observed: 236.99 ft at 3:00PM May 08, 2024Observed: 236.97 ft at 4:00PM May 08, 2024Observed: 236.97 ft at 5:00PM May 08, 2024Observed: 236.95 ft at 6:00PM May 08, 2024Observed: 236.96 ft at 7:00PM May 08, 2024Observed: 236.97 ft at 8:00PM May 08, 2024Observed: 236.97 ft at 9:00PM May 08, 2024Observed: 236.97 ft at 10:00PM May 08, 2024Observed: 236.95 ft at 11:00PM May 08, 2024Observed: 236.96 ft at 11:59PM May 08, 2024Observed: 236.97 ft at 1:00AM May 09, 2024Observed: 236.97 ft at 2:00AM May 09, 2024Observed: 236.98 ft at 3:00AM May 09, 2024Observed: 236.98 ft at 4:00AM May 09, 2024Observed: 236.98 ft at 5:00AM May 09, 2024Observed: 236.98 ft at 6:00AM May 09, 2024Observed: 237 ft at 7:00AM May 09, 2024Observed: 237 ft at 8:00AM May 09, 2024Observed: 236.98 ft at 9:00AM May 09, 2024Observed: 236.98 ft at 10:00AM May 09, 2024Observed: 236.98 ft at 11:00AM May 09, 2024Observed: 236.97 ft at 12:00PM May 09, 2024Observed: 236.96 ft at 1:00PM May 09, 2024Observed: 237.03 ft at 2:00PM May 09, 2024Observed: 237.08 ft at 3:00PM May 09, 2024Observed: 237.03 ft at 4:00PM May 09, 2024Observed: 237.1 ft at 5:00PM May 09, 2024Observed: 237.08 ft at 6:00PM May 09, 2024Observed: 237.1 ft at 8:00PM May 09, 2024Observed: 237.08 ft at 9:00PM May 09, 2024Observed: 237.06 ft at 10:00PM May 09, 2024Observed: 237.06 ft at 11:00PM May 09, 2024Observed: 237.05 ft at 11:59PM May 09, 2024Observed: 237.05 ft at 1:00AM May 10, 2024Highest Observation: 237.25 ft at 2:00AM May 10, 2024Lake Blackshear Power Production OperationsWWCG1(plotting HPIRZ) Graph Created (3:38AM May 10, 2024)ObservedLatest observed value: 237.25 ft at 2:00 AM EDT 10-May-2024. Flood Stage is 239 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Stage measured manually and reported by river observer. No automated gauge on-site.

NOTE: Forecasts are not available for the Flint River (GA) at Lake Blackshear. Only observed stages are available for this point.

Return to Area Map
Upstream Gauge - at GA 26 near Montezuma Upstream Gauge Downstream Gauge Downstream Gauge - near Oakfield (SR 32)
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 239
Action Stage: 237
Low Stage (in feet): 235

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

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: 31.845278° N, Longitude: 83.940833° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 239 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  
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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.
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