USGS Water-Year Summary 2020
05458000 Little Cedar River near Ionia, IA
LOCATION - Lat 43°01'59.9", long 92°30'12.1" referenced to North American Datum of 1927, in NW 1/4 SW 1/4 NE 1/4 sec.21, T.95 N., R.14 W., Chickasaw County, IA, Hydrologic Unit 07080201, on left bank 12 ft downstream from bridge on County Highway B57, 2.4 mi west of Ionia, 7.6 mi downstream from Beaver Creek, and 7.6 mi upstream from mouth.
DRAINAGE AREA - 306 mi².
- WSP 1438: Drainage area. WSP 1708: 1959.
PERIOD OF RECORD - Discharge records from October 1954 to current year.
GAGE - Water-stage recorder. Datum of gage is 973.35 ft above National Geodetic Vertical Datum of 1929.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of June 22, 1954, reached a stage of 11.37 ft, discharge 4,600 ft³/s.