LOCATION.-- Lat 41°46'04", long 88°34'11" (NAD of 1927), in NE1/4SE1/4 sec. 17, T. 38 N., R. 6 E., Kane County, Hydrologic Unit 07120007, at bridge on U.S. Highway 30, 1.2 mi northwest of Big Rock. | |
DRAINAGE AREA.-- 32.6 mi2. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
PARTIAL RECORD: Annual maximum, water years 1965 to 1979. | |
GAGE.-- Crest-stage gage. Datum is 700.43 ft above NGVD of 1929. | |
EXTREMES FOR PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 1580 ft3/sec, May 16, 1974, gage height, 3.80 ft. | |