LOCATION.--Lat 42°44'24", long 91°15'42" referenced to North American Datum of 1927, in SE 1/4 SE 1/4 NW 1/4 sec.36, T.92 N., R.4 W., Clayton County, IA, Hydrologic Unit 07060004, on right bank on downstream side of bridge on County Highway C43, at southern edge of Garber, 800 ft upstream from Wayman Creek, 2,000 ft downstream from Elk Creek, 1.0 mi downstream from Volga River, and 21.2 mi upstream from mouth. (map)

DRAINAGE AREA.--1,545 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD.--Discharge records from August 1913 to November 1916, May 1919 to September 1927, April 1929 to September 1930, October 1932 to current year. Prior to December 1932, monthly mean discharge for some periods published in WSP 1308.

REVISED RECORDS.--WSP 1308: 1922-25 (M), 1927 (M). WSP 1438: Drainage area.

GAGE.--Water-stage recorder. Datum of gage is 634.46 ft above National Geodetic Vertical Datum of 1929. Prior to February 7, 1935, non-recording gage at same site and datum.

WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water years 1958-1962, 2004 to current year.

PERIOD OF DAILY RECORD.--
NITRATE + NITRITE: May 2012 to current year, records fragmentary.
WATER TEMPERATURE: Daily instantaneous values collected in conjunction with suspended-sediment samples, October 1957 to September 1962, records fragmentary. Daily mean, May 2012 to current year.
SUSPENDED-SEDIMENT CONCENTRATION AND DISCHARGE: October 1957 to September 1962.

Advanced Hydrologic Prediction Service

Iowa DNR Geological & Water Survey

National Streamflow Information Program