LOCATION.--Lat 41°58'19", long 91°40'01"
referenced to North American Datum of 1927, in SW 1/4 SW 1/4 NE 1/4
sec.28, T.83 N., R.7 W., Linn County, IA, Hydrologic Unit 07080205,
on right bank 400 ft upstream from bridge on 8th Avenue in Cedar
Rapids, 2.7 mi upstream from Prairie Creek, and 85.4 mi upstream from
mouth of Cedar River. (map)
DRAINAGE AREA.--6,510 mi2.
SURFACE-WATER RECORDS
PERIOD OF RECORD.--Discharge records from October 1902 to current
year. Prior to September 1927, monthly mean discharge for some
periods published in WSP 1308.
REVISED RECORDS.--WSP 955: 1924. WSP 1308: 1904, 1906-13, 1915,
1917, 1919-24, 1928, 1930. WSP 1438: Drainage area. WSP 1558: 1915-18
(M), 1920 (M), 1922 (M), 1929, 1933, 1943.
GAGE.--Water-stage recorder. Datum of gage is 700.47 ft above
National Geodetic Vertical Datum of 1929. Prior to August 20, 1920,
non-recording gage at same site and datum.
REMARKS.--Flow affected by city hydroelectric dam, 0.5 mile
upstream, since June 1979.
WATER-QUALITY RECORDS
PERIOD OF RECORD.--Water years 1906-1907, 1944-1954, 2008, 2010,
2012.
PERIOD OF DAILY RECORD.--
NITRATE + NITRITE: April 2009 to September 2012, records
fragmentary.
WATER TEMPERATURE: Daily instantaneous values collected in
conjunction with suspended-sediment samples, January 1944 to
September 1954. Daily mean, April to September 2012.
SUSPENDED-SEDIMENT CONCENTRATION AND DISCHARGE: October 1943 to
September 1954.
NOTE: Collection of continuous nitrate plus nitrite data was
discontinued at this site in September 2012, and relocated to site
05464420
in October 2012.
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