LOCATION.--Lat 41°33'2", long 96°5'47"
referenced to North American Datum of 1983, in NW 1/4 NW 1/4 NW 1/4
sec.8, T.18 N., R.12 E., Washington County, NE, Hydrologic Unit
10230001, downstream of bridge on U.S. Highway 30 in Blair, and 648
mi upstream from mouth. (map)
GAGE.--Water-stage recorder. Datum of gage is
977.47 ft above North American Vertical Datum of 1988. Prior to
August 1, 2016, datum of gage was 977.44 ft above North American
Vertical Datum of 1988 (levels by U.S. Army Corps of
Engineers).
REMARKS.--Flow regulated by upstream main-stem reservoirs. Fort
Randall Dam was completed in July 1952, with storage beginning in
December 1952. Gavins Point Dam was completed in July 1955, with
storage beginning in December 1955.
NOTE: This streamgage is operated and maintained by the U.S. Army
Corps of Engineers - Omaha District. The gage height data available
from this site are for informational purposes only.
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