USGS Water-Year Summary 2024
07230000 LITTLE RIVER BELOW LAKE THUNDERBIRD NEAR NORMAN, OK
LOCATION - Lat 35°13'18", long 97°12'49" referenced to North American Datum of 1927, in NE 1/4 SE 1/4 sec.29, T.9 N., R.1 E., Cleveland County, OK, Hydrologic Unit 11090203, at right bank of outlet channel, 170 ft upstream from State Highway 9, 1,200 ft downstream from Lake Thunderbird, 1.0 mi upstream from Prairie Creek, 13.0 mi east of Norman, and at mile 96.2.
DRAINAGE AREA - 257 mi².
REVISIONS HISTORY - WSP 1341: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1952 to current year. Prior to October 1964, published as Little River below Hog Creek near Norman.
GAGE - Water-stage recorder and concrete control. Datum of gage is 965.97 feet above NAVD of 1988 determined by GNSS Level IV Survey using Alltera network with RTK Trimble R-10 tied to RM-3 by USGS personnel on 5/12/2022. Prior to 5/12/2022 the datum of the gage was 965.62 ft. National Geodetic Vertical Datum of 1929. Prior to Nov. 28, 1956, nonrecording gage 800 ft downstream at same datum. Nov. 28, 1956 to Oct. 14, 1964, water-stage recorder at site 800 ft downstream at same datum. Oct. 15, 1964 to Sept. 1, 1965, nonrecording gage at site 170 ft downstream at same datum.
EXTREMES FOR PERIOD PRIOR TO REGULATION - No flow at time in 1954-56, 1964.
Maximum discharge 34,600 cfs, May 25, 1957, from rating curve extended above 15,000 cfs.
Maximum gage height 28.85 ft, May 25, 1957, from high-water mark.
AVERAGE DISCHARGE FOR PERIOD PRIOR TO REGULATION - Water years 1953-64, 58.9 ft³/s.