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03270000 Mad River near Dayton, OH LOCATION.-- Lat 39°47'50", long 84°05'19", Greene County, OH, Hydrologic Unit 05080001, on left bank in retarding basin 300 ft upstream from Huffman Dam, 2.3 mi downstream from Mud Run, 6.2 mi northeast of Dayton, and at mile 6.1. DRAINAGE AREA.-- 635 mi2. PERIOD OF RECORD.-- October 1914 to current year. Monthly discharge only for some periods, published in WSP 1305. REVISED RECORDS.-- WSP 453: 1915. WSP 743: 1929-32. WSP 1305: 1916(M), 1925(M) 1930-32(M). WSP 1908: Drainage area. WDR-OH-82-1: 1980. REMARKS.-- Flood flow regulated by Huffman retarding basin beginning in 1921, some regulation by C. J. Brown Reservoir 26 mi upstream on Buck Creek beginning in 1974. Water quality data was formerly collected on left bank 900 ft. downstream. Stage affected by backwater from Huffman Dam. EXTREMES OUTSIDE PERIOD OF RECORD.-- Flood of Mar. 25, 1913, reached a stage of 10.0 ft (measured 2,690 ft northwest of gage) relative to a datum of 777.0 ft COE 1912, discharge 75,700 ft3/s, computed by Miami Conservancy District.
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Value Jun 26