LOCATION.-- Lat 39°43'52", long 88°39'45" (NAD of 1927), in NW1/4SW1/4 sec.21, T.15 N., R.5 E., Moultrie County, Hydrologic Unit 07140201, on left downstream side of bridge on State Highways 32 and 133, 1.5 mi northwest of Lovington, 1.7 mi upstream from Stringtown Branch, and at mile 25.4.

DRAINAGE AREA.-- 112 mi².

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE

DISCHARGE: February 1980 to current year.

STAGE: Water years 1994 to current year. Gage-height record for January 1963 to February 1980 available in files of U.S. Army Corps of Engineers.

PARTIAL RECORD: Occasional low-flow measurements, water years 1971-73.

SURFACE-WATER QUALITY

CHEMICAL: Water years 1980-91.

GAGE.-- Water-stage recorder, and U.S. Army Corps of Engineers satellite telemeter. Datum of gage is 632.50 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers) (632.27 ft NAVD 1988). Prior to July 6, 2005, at site 140 ft upstream at same datum.

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 10,300 ft³/s, May 8, 1996, gage height 16.40 ft; no flow for many days in most years.

EXTREMES OUTSIDE PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Flood of May 1968 reached a stage of 14.66 ft, discharge not determined, from information by U.S. Army Corps of Engineers.