USGS Water-Year Summary 2021
07332390 BLUE RIVER NEAR CONNERVILLE, OK
LOCATION - Lat 34°23'00", long 96°36'01" referenced to North American Datum of 1927, in SW 1/4 SW 1/4 NW 1/4 sec.17, T.2 S., R.7 E., Johnston County, OK, Hydrologic Unit 11140102, on left bank, 1.6 mi downstream from Diamond Spring Branch, 2.16 mi upstream from State Highway 7, 4.0 mi southeast of Connerville, and at mile 99.9.
DRAINAGE AREA - 162 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.
PERIOD OF RECORD - October 1976 to September 1979, October 2003 to current year.
GAGE - Water-stage recorder. Datum of gage is 891.82 above NAVD of 1988 determined by GNSS Level II Survey using Alltera network with RTK Trimble R-10 tied to RM-1. By USGS Personnel on 03-10-2020. Prior to 03-10-2020 Datum of gage was 891.75 ft above NGVD of 1929. Prior to Oct. 1, 2004, published as 896.75 ft above NGVD of 1929.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Oct. 8, 1970 reached a stage of approximately 18 feet from approximate point on propane tank pointed out by resident, who has lived at the site since 1969. This flood was the peak of record (1965-1975) at Milburn (35,100 cu ft/s). The 1970 flood was highest since sometime in the 1920's according to a local resident.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge for period of record, 23,000 ft³/s, gage height 16.39 ft. occurred on September 21, 2018.