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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
07074420 BLACK RIVER AT ELGIN FERRY, AR
LOCATION - Lat 35°45'56", long 91°18'01" referenced to North American Datum of 1983, in NW 1/4 SE 1/4 sec.15, T.13 N., R.3 W., Jackson County, AR, Hydrologic Unit 11010009, and on left bank at State Hwy 37 bridge at Elgin Ferry.
DRAINAGE AREA - 8,420 mi².
REVISIONS HISTORY - Gage height and discharge for the period between Dec. 12, 2009, to Sep. 20, 2023, were revised on Sep. 20, 2023, based on changes to the gage datum.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Oct 1978 to Sep 1994 annual maximum only. Oct 1994 to Sep 1998 stage-only. Oct 1998 to current year.
GAGE -
Water-stage recorder. Datum of gage is 202.14 ft above NAVD of 1988, (Reference Frame NAD_83 (2011) (EPOCH:2010.0000) GEOID18).
Prior to August 06, 2024, the datum of gage was assumed to be 200.00 ft NGVD of 1929. However, was never entered into the "Monitor Location Registry".
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Dec 4, 1982 reached a stage of 27.7 ft, from floodmarks, discharge unknown.
EXTREMES FOR PERIOD OF RECORD - Maximum peak stage 34.77 ft May 4, 2011 from backwater
