LOCATION.-- Lat 40°29'15", long 90°06'08" (NAD of 1927), in NW1/4SW1/4 sec.19, T.6 N., R.4 E., Fulton County, Hydrologic Unit 07130005, on right bank 200 ft upstream from dam, 1.4 mi upstream from mouth, and 1.5 mi northwest of Bryant. | |
DRAINAGE AREA.-- 5.78 mi2. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
DISCHARGE: November 1971 to September 1992. | |
SURFACE-WATER QUALITY | |
SPECIFIC CONDUCTANCE: Water years 1972-80. | |
WATER TEMPERATURE: Water years 1972-80. | |
REVISED RECORDS.-- WDR IL-81-2: Drainage area. | |
GAGE.-- Water-stage recorder and uncontrolled drop outlet. Datum of gage is 568.64 ft above NGVD of 1929 (Metropolitan Water Reclamation District of Greater Chicago bench mark). | |
EXTREMES FOR PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 325 ft3/s, June 5, 1986, gage height 3.69 ft, from rating curve extended above 260 ft3/s; minimum discharge, 0.63 ft3/s, Oct. 2, Sept. 19, 20, 30, 1992. | |