LOCATION.--Lat 41°05'19.0", long 91°43'06.9"
referenced to North American Datum of 1983, in SE 1/4 NE 1/4 NE 1/4
sec.26, T.73 N., R.8 W., Jefferson County, IA, Hydrologic Unit
07080107, on right downstream side of bridge on County Highway H28 in
Merrimac, 6.5 mi downstream from Crooked Creek, 2.4 mi upstream from
Walnut Creek, and 57.2 mi upstream from mouth. (map)
DRAINAGE AREA.--3,237 mi2.
PERIOD OF RECORD.--Discharge records from April 2010 to June 2016,
October 2016 to current year.
GAGE.--Water-stage recorder. Datum of gage is 576.62 ft above
North American Vertical Datum of 1988.
REMARKS.--For climatological records collected at this site, see
Raingage at Skunk River at Merrimac, IA (station