USGS Water-Year Summary 2018
07375280 TANGIPAHOA RIVER AT OSYKA, MS
LOCATION - Lat 31°00'44", long 90°27'40" referenced to North American Datum of 1983, in SW 1/4 NW 1/4 NW 1/4 sec.36, T.1 N., R.7 E., Pike County, MS, Hydrologic Unit 08070205, Washington Meridian, County code 113, on upstream left bank end of bridge on State Highway 584 at Osyka, Ms, about 1/2 mi north northeast of Osyka, MS, and about 1/2 mi upstream of the Louisiana-Mississippi State Line.
DRAINAGE AREA - 158 mi².
PERIOD OF RECORD - Occasional discharge measurements, water years 1976-91. October 1996 to current water year.
GAGE - Water-stage recorder. Datum of gage is 215.00 ft above NGVD of 1929.
EXTREMES FOR PERIOD OF RECORD
Maximum instantaneous discharge = 31,000 cfs on April 28, 1997.
Maximum instantaneous gage height = 18.66 feet on April 28, 1997.