LOCATION.-- Lat. 42°07'00", long. 90°03'20" (NAD of 1927), in SW1/4NW1/4 sec. 33, T. 25 N., R. 4 E., Carroll County, Hydrologic Unit 07060005, 0.9 mi upstream from Carroll Creek, 5 mi northeast of Savanna, and 16.4 mi upstream from mouth. | |
DRAINAGE AREA.-- 164 mi2. | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
DISCHARGE: October 1934 to September 1941. | |
GAGE.-- Wire-weight gage. Datum of gage is 582.54 ft above NGVD of 1929. | |
EXTREMES FOR PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge observed, 5,820 ft3/s June 24, 1938, gage height, 27.02 feet; minimum observed, 3 ft3/s Jan. 17, 1940. | |
EXTREMES OUTSIDE PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE: Maximum stage known, 29.3 ft, date unknown, from floodmarks. | |