LOCATION.-- Lat 39°24'21", long 88°53'47" (NAD of 1927), in NW1/4NW1/4 sec.17, T.11 N., R.3 E., Shelby County, Hydrologic Unit 07140201, on right bank at upstream side of bridge on State Highway 16, 0.1 mi downstream from Mud Creek, 4.5 mi west of Shelbyville, and at mile 9.1.

DRAINAGE AREA.-- 93.1 mi².

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE

DISCHARGE: October 1979 to current year.

STAGE: Water years 1994 to current year. Gage-height record for June 22, 1973 to Sept. 30, 1979, available in files of U.S. Army Corps of Engineers.

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter, and crest-stage gage. Datum of gage is 550.00 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers) (549.71 ft NAVD 1988).

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 11,300 ft³/s, May 2, 1983, gage height, 13.37 ft; maximum gage height, 14.92 ft, Sept. 23, 1993, discharge, 10,700 ft³/s; no flow for many days in 1982-85, 1988-89, 1991.

EXTREMES OUTSIDE PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Flood of June 28, 1957, reached a stage of 16.8 ft, present site and datum, with a discharge estimated at 26,400 ft³/s.