USGS Water-Year Summary 2020
03378550 BIG CREEK NEAR WADESVILLE, IN
LOCATION - Lat 38°04'59.2", long 87°46'10.7" referenced to North American Datum of 1983, in SW 1/4 SW 1/4 sec.16, T.5 S., R.12 W., Posey County, IN, Hydrologic Unit 05120113, on left bank at downstream side of bridge on State Highway 66, 0.6 mi northwest of Blairsville, 0.8 mi upstream from County Road 250 North, and 1.6 mi southeast of Wadesville.
DRAINAGE AREA - 104 mi². drainage area derived from the "Drainage Areas of Indiana Streams" publication
PERIOD OF RECORD - July 1965 to current year.
GAGE - Water-stage recorder. Datum of gage is 369.70 feet above the North American Vertical Datum of 1988.