LOCATION.--Lat 42°44'14.06", long 92°28'11.66"
referenced to North American Datum of 1927, in NW 1/4 NE 1/4 SW 1/4
sec.35, T.92 N., R.14 W., Bremer County, IA, Hydrologic Unit
07080201, on downstream side of bridge on County Highway V14, at
northern edge of Waverly, and 194.9 mi upstream from mouth.
(map)
DRAINAGE AREA.--1,547 mi2.
SURFACE-WATER RECORDS
PERIOD OF RECORD.--Discharge records from August 2000 to current
year.
REVISED RECORDS.--WDR-US-2009: Datum.
GAGE.--Water-stage recorder. Datum of gage is 900.40 ft above
National Geodetic Vertical Datum of 1929.
REMARKS.--Flow affected by power plant 1.4 mi downstream.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD.--
WATER TEMPERATURE: October 2011 to current year.