LOCATION.-- Lat 40°37'13", long 88°54'59" (NAD of 1927), in SE1/4SW1/4 sec. 18, T. 25 N., R.3 E., Calhoun County, Hydrologic Unit 07130004, on left bank 200 ft north of line between secs. 18 and 19, 1 mi upstream from Lake Bloomington, and 4 mi northeast of Hudson. | |
DRAINAGE AREA.-- 51.9 mi2. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
DISCHARGE: June 1933 to September 1958. | |
REVISED RECORDS.-- WSP 1175: 1935-37, 1938(M), 1939, 1940(M), 1946(P). WSP 1238: Drainage area. | |
GAGE.-- Water-stage recorder and concrete control. Datum of gage is 715.77 ft above NGVD of 1929 (Warren & Van Praag, Inc., bench mark). | |
EXTREMES FOR PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 3,900 ft3/s Apr. 30, 1947, gage height, 9.16 ft, from flood-routing study; no flow at times during most years. | |