LOCATION.-- Lat 39°48'23", long 88°28'34" (NAD of 1927), in NE1/4NW1/4 sec.36, T.16 N., R.6 E., Piatt County, Hydrologic Unit 07140201, on left bank at downstream side of bridge, 0.9 mi northwest of Atwood and at mile 9.0. | |
DRAINAGE AREA.-- 149 mi2. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
DISCHARGE: October 1972 to current year. | |
STAGE: Water years 1994 to current year. | |
REVISED RECORDS.-- WDR IL-93-1: 1989(M), 1990-92. WDR IL-94-1: 1989. | |
GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 644.58 ft above NGVD of 1929. | |
EXTREMES FOR PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 4,030 ft3/s, Mar. 5, 1979, gage height, 14.03 ft; maximum gage height, 15.39 ft, Apr. 12, 1994, discharge, 3,390 ft3/s; no flow for many days in most years. | |