LOCATION.--Lat 42°28'56.2", long 95°47'34.4"
referenced to North American Datum of 1983, in NE 1/4 NE 1/4 SW 1/4
sec.34, T.89 N., R.42 W., Woodbury County, IA, Hydrologic Unit
10230003, on left bank on downstream side of bridge on U.S. Highway
20, at northwestern edge of Correctionville, 150 ft downstream from
Pierson Creek, 1.3 mi upstream from Bacon Creek, and 59.8 mi upstream
from mouth. (map)
DRAINAGE AREA.--2,500 mi2.
SURFACE-WATER RECORDS
PERIOD OF RECORD.--Discharge records from May 1918 to July 1925,
October 1928 to July 1932, June 1936 to current year. December 1924
to March 1925, monthly mean discharge published in WSP 1310.
REVISED RECORDS.--WSP 856: 1919. WSP 1240: 1924-25, 1931, 1932
(M), 1937, 1945 (M), 1947 (M), 1949 (M). WSP 1440: Drainage area.
GAGE.--Water-stage recorder. Datum of gage is 1,096.49 ft above
National Geodetic Vertical Datum of 1929. May 28, 1918, to July 1,
1925, and October 29, 1928, to July 15, 1929, non-recording gage at
site 1.2 mi downstream at datum 1.25 ft lower; July 16, 1929, to July
2, 1932, and June 15, 1936, to November 7, 1938, non-recording gage
at site 1.0 mi downstream at same datum; November 8, 1938, to August
18, 2010, water-stage recorder at site 1.0 mi downstream at same
datum.
WATER-QUALITY RECORDS
PERIOD OF RECORD.--Water year 1955.
PERIOD OF DAILY RECORD.--
WATER TEMPERATURE: Daily instantaneous values collected in
conjunction with suspended-sediment samples, May 1951 to September
1962, records fragmentary.
SUSPENDED-SEDIMENT CONCENTRATION AND DISCHARGE: April 1939 to June
1941, May 1950 to September 1962. Prior to May 1950,
suspended-sediment discharge records only, provided by U.S. Army
Corps of Engineers.
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