LOCATION.-- Lat 40°24'35", long 89°27'45" (NAD of 1927), in NW1/4NE1/4 sec. 32, T. 23 N., R. 3 W., Tazewell County, Hydrologic Unit 07130004, at culvert on county blacktop road (Green Valley Road), 0.4 mi west of intersection with State Highway 121, 3 mi southwest of Hopedale. | |
DRAINAGE AREA.-- .98 mi2. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
PARTIAL RECORD: Annual maximum, water years 1960 to 1971. | |
GAGE.-- Crest-stage gage. Datum not determined. | |
EXTREMES FOR PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 446 ft3/sec, May 15, 1968, gage height, 20.76 ft. | |