USGS Water-Year Summary 2021
07228500 CANADIAN RIVER AT BRIDGEPORT, OK
LOCATION - Lat 35°32'37", long 98°19'03" referenced to North American Datum of 1927, in SE 1/4 NW 1/4 sec.01, T.12 N., R.11 W., Caddo County, OK, Hydrologic Unit 11090202, on downstream side of bridge on U.S. Highway 281, 3.3 mi east of Bridgeport, 1.6 mi downstream from Lumpmouth Creek, and at mile 263.3.
DRAINAGE AREA - 24,698 mi² of which 4,637 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.
- WSP 1341: Drainage area. WDR 2012: Drainage area.
PERIOD OF RECORD - October 1944 to September 1964; October 1969 to current year.
GAGE - Water-stage recorder. Datum of gage is 1,360.00 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers). Prior to Oct. 1, 1947, at site 3.8 mi upstream at datum 24.25 ft higher. Oct. 1, 1947 to Sept. 30, 1948, nonrecording gage and Oct. 1, 1948, to September 1964, Oct. 1, 1969, to Dec. 17, 1980, at site 4.0 mi upstream and at datum 24.25 ft higher.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood in May 1914 reached a stage of about 19.4 ft, a higher stage probably occurred during flood in October 1904.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge for period of record, 150,000 ft³/s, June 23, 1948, from rating curve extended above 50,000 ft³/s (at former site).
Minimum daily discharge of no flow has occurred multiple times.
AVERAGE DISCHARGE FOR PERIOD PRIOR TO REGULATION - Water years 1945-64, 469 ft³/s.