LOCATION.-- Lat 42°21'00", long 88°05'18" (NAD of 1927), in SW1/4NE1/4 sec.29, T.45 N., R.10 E., Lake County, Hydrologic Unit 07120006, on left bank at upstream side of bridge on MacGillis Road at Round Lake, and at mile 7.5. | |
DRAINAGE AREA.-- 17.2 mi2. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
DISCHARGE: October 1989 to current year. | |
STAGE: Water years 1994 to current year. | |
GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 764.94 ft above NGVD of 1929. | |
EXTREMES FOR PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 312 ft3/s, July 18, 1993, from rating curve extended above 120 ft3/s on basis of slope-area measurement of peak flow, gage height, 6.42 ft; no flow at times in 1991, 1994 and 1998. | |