USGS Water-Year Summary 2024

07241800 NORTH CANADIAN RIVER AT SHAWNEE, OK

LOCATION - Lat 35°19'59", long 96°52'09" referenced to North American Datum of 1927, in SE 1/4 SW 1/4 sec.15, T.10 N., R.4 E., Pottawatomie County, OK, Hydrologic Unit 11100302, on right bank downstream side State Highway 3E bridge, 2.8 mi east from Highway 18, 3E junction and at mile 203.

DRAINAGE AREA - 14,005 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.

REVISIONS HISTORY - WDR 2012: Drainage area. 07/31/2019 Datum of gage.

SURFACE-WATER RECORDS

PERIOD OF RECORD - February 2001 to current year.

GAGE - Water-stage recorder Datum of gage is 948.82ft. above NVGD88 based on Real Time Positioning GNSS using United States/State Plane Zone: Oklahoma North 3501 NAD 1983 (Conus) 1983 GEOID12B (Conus) completed on 07/31/2019 tied to RM-1. Prior to 07/31/2019 datum of gage was 898.51ft above NGVD 1929 as determined via topographic map by USGS in 1999.

REMARKS - 10/01/2022 - 09/30/2023; records fair. Quality of data for other periods can be obtained by contacting the Oklahoma-Texas Water Science Center. Flow regulated by Canton Lake (station 07238500) and by Lake Overholser (station 07240500) where diversions are made into Lake Hefner Canal (station 07240000). Low flow sustained in part by sewage effluent.

EXTREMES FOR PERIOD OF RECORD - Maximum Discharge: 23,500cfs, June 3, 2013; Maximum Gage Height: 23.90 feet, June 3, 2013.