USGS Water-Year Summary 2018
07195500 ILLINOIS RIVER NEAR WATTS, OK
LOCATION - Lat 36°07'48", long 94°34'19" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 sec.18, T.19 N., R.26 E., Adair County, OK, Hydrologic Unit 11110103, near the downstream side of right abutment of U.S. Highway 59 bridge, 1.5 mi north of Watts, 4.5 mi downstream from Cincinnati Creek, and at mile 106.2.
DRAINAGE AREA - 630 mi². From automated delineation using 10-meter National Elevation Dataset digital elevation model data dated 10/01/2006 and Watershed Boundary Dataset dated 10/01/2006, using Albers Equal-Area Projection, North American Datum 1983.
- WDR 2012: Drainage area.
PERIOD OF RECORD - August 1955 to current year.
GAGE - Water-stage recorder. U.S. Army Corps of Engineers' satellite telemeter at station. Datum of gage is 893.78 ft above NGVD of 1929. Since July 2, 1957, small diversion upstream from station.
PERIOD OF RECORD - October 1989 to July 1995, July 1996 to current year.