LOCATION.--Lat 41°18'03", long 92°12'16"
referenced to North American Datum of 1927, in NW 1/4 NE 1/4 SE 1/4
sec.14, T.75 N., R.12 W., Keokuk County, IA, Hydrologic Unit
07080106, on right bank 10 ft downstream from bridge on State Highway
149, 2.2 mi south of Sigourney, 1.2 mi downstream from Cedar Creek,
4.0 mi upstream from Bridge Creek, 19.6 mi upstream from confluence
with South Skunk River, and 114.3 mi upstream from mouth of Skunk
River. (map)
DRAINAGE AREA.--730 mi2.
SURFACE-WATER RECORDS
PERIOD OF RECORD.--Discharge records from October 1945 to current
year.
REVISED RECORDS.--WSP 1438: Drainage area. WSP 1558: 1946-47
(M).
GAGE.--Water stage recorder. Datum of gage is 651.53 ft above
National Geodetic Vertical Datum of 1929. Prior to June 10, 1953,
non-recording gage at same site and datum.
WATER-QUALITY RECORDS
PERIOD OF RECORD.--Water year 2008.