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.

Advanced Hydrologic Prediction Service

City of Waverly

National Streamflow Information Program