LOCATION.-- Lat 42°18'33", long 88°15'05" (NAD of 1927), in NW1/4 sec.12, T.44 N., R.8 E., McHenry County, Hydrologic Unit 07120006, on left bank of main channel, 30 ft downstream from Stratton Lock and Dam, 2.5 mi downstream from McHenry, and at mile 97.8. | |
DRAINAGE AREA.-- 1,250 mi2. | |
PERIOD OF RECORD.-- | |
STAGE: October 2002 to current year. | |
GAGE.-- Water-stage recorder and phone telemeter. Datum of gage is 730.15 ft above NGVD of 1929. | |
REMARKS.-- Stage regulated by Stratton Lock and Dam. | |
EXTREMES FOR PERIOD OF RECORD.-- | |
STAGE: Maximum gage height, 6.34 ft, May 27, 2004; minimum, 0.28 ft, Sept. 4, 2003. | |