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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
04147500 FLINT RIVER NEAR OTISVILLE, MI
LOCATION - Lat 43°06'40", long 83°31'10" referenced to North American Datum of 1927, in SE 1/4 sec.09, T.8 N., R.8 E., Genesee County, MI, Hydrologic Unit 04080204, on left bank 20 ft downstream from bridge on State Highway 15, 1.5 mi downstream from Holloway Reservoir, 3.5 mi upstream from Powers-Cullen Drain, and 3.8 mi south of Otisville.
DRAINAGE AREA - 530 mi².
REVISIONS HISTORY - WDR MI-78-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1952 to September 1989, October 1990 to current year.
GAGE - Water-stage recorder. Datum of gage is 720.89 ft above NAVD 88, converted on July 9, 2020 from NGVD 29.
REMARKS - Flow regulated by Holloway Reservoir, 1.5 mi upstream from station. From 1954 to 1991 annual mean discharge and runoff figures adjusted for change in contents in Holloway Reservoir.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 7,470 ft³/s, June 24, 1996, gage height, 15.73 ft; minimum discharge, 2.1 ft³/s, Oct. 11, 12, 1971.
