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Water-Year Summary for Site 02085500

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00060 Discharge(Max.,Min.,Mean)  
00065 Gage height(Max.,Min.,Mean)  

Water year 2019: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2019
02085500 FLAT RIVER AT BAHAMA, NC
LOCATION - Lat 36°10'58", long 78°52'44" referenced to North American Datum of 1983, Durham County, NC, Hydrologic Unit 03020201, on right bank 0.5 mi upstream from Lake Michie, 1.2 mi upstream from bridge on Secondary Road 1616, 1.2 mi north of Bahama, and 1.5 mi upstream from Dial Creek.
DRAINAGE AREA - 149 mi².
REVISIONS HISTORY - WSP 1333: 1926, 1928(M), 1938, 1946. WDR NC-81-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1925 to current year.
GAGE - Water-stage recorder and concrete control. Datum of gage is 346.85 ft above National Geodetic Vertical Datum of 1929. Prior to October 22, 1925, nonrecording gage at present site at 346.27 ft. Satellite telemetry at streamgage.
REMARKS -

Prior to December 1962, some diurnal fluctuation and infrequent regulation at low flow caused by small mill 5 mi upstream.

For Water Year 2014: Records good.
For Water Year 2015: Records good.
For Water Year 2016: Records good except those for estimated daily discharges, which are poor.

For Water Year 2017: Records good except those for estimated discharges, which are poor.

For Water Year 2018: Records good except those for estimated discharges, which are poor.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge for period of record, 33800 ft³/s, from rating curve extended above 18,000 ft³/s, on basis of slope-conveyance measurement of peak flow; maximum gage height, 17.26 ft, September 09, 1996; from high-water mark inside gage shelter as a result of Hurricane Fran.