LOCATION.--Lat 41°0'4", long 95°51'59" referenced to North American Datum of 1927, in NE 1/4 NW 1/4 NE 1/4 sec.35, T.72 N., R.44 W., Cass County, NE, Hydrologic Unit 10240001, at bridge on U.S. Highway 34 in Plattsmouth, and 592 mi upstream from mouth. (map)

GAGE.--Water-stage recorder. Datum of gage is 929.48 ft above North American Vertical Datum of 1988. Prior to August 1, 2016, datum of gage was 929.53 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.

Advanced Hydrologic Prediction Service

U.S. Army Corps of Engineers - Omaha District