USGS Water-Year Summary 2020
07240200 NORTH CANADIAN RIVER AT HIGHWAY 66 AT OKLAHOMA CITY, OK
LOCATION - Lat 35°30'52", long 97°39'48" referenced to North American Datum of 1927, in NE 1/4 SW 1/4 sec.18, T.12 N., R.4 W., Oklahoma County, OK, Hydrologic Unit 11100301, on downstream side of Highway 66 bridge, 2 mi upstream from Overholser dam and at mile 283.5.
DRAINAGE AREA - 13,480 mi² of which 3,497 mi² probably is noncontributing. 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 - December 1999 to current year.
GAGE - Datum of gage is NGVD of 1929.