USGS Water-Year Summary 2019
05439500 SOUTH BRANCH KISHWAUKEE RIVER NEAR FAIRDALE, IL
LOCATION - Lat 42°06'38", long 88°54'02" referenced to North American Datum of 1927, in SE 1/4 SE 1/4 sec.17, T.42 N., R.3 E., DeKalb County, IL, Hydrologic Unit 07090006, on right bank at downstream side of bridge on Irene Road, 1.2 mi downstream from Owens Creek, 1.8 mi northeast of Fairdale, and at mile 11.0.
DRAINAGE AREA - 387 mi².
PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE
DISCHARGE: October 1939 to current.
Monthly discharge only for some periods, published in WSP 1308.
STAGE: Water years 1994 to current.
CHEMICAL: Water years 1978-81.
MISCELLANEOUS: Water years 1998 and 2002.
REVISED RECORDS - WSP 1508: 1940, 1942(M). WDR IL-75-1: Drainage area.
GAGE - Data collection platform, satellite telemetry, and crest-stage gage. Datum of gage is 733.90 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers) (733.73 ft NAVD 1988). Prior to May 1, 1940, non-recording gage at same site and datum. Prior to Nov. 7, 1986, water-stage recorder on left bank at upstream side of bridge at same site and datum.
EXTREMES OUTSIDE PERIOD OF RECORD - SURFACE-WATER DISCHARGE AND STAGE: A stage of 11.9 ft occurred in March 1937, from information by a local resident.
EXTREMES FOR PERIOD OF RECORD - SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 25,400 ft³/s, July 18, 1996, gage height 13.37 ft; minimum discharge, 2.1 ft³/s, Jan. 20, 1940.