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Angler Guide's River & Stream Flows for Big Sioux River Hawarden IA -
River & Stream Stages, Flows for Big Sioux River, at Hawarden IA
Observation history unavailable for thie location.
Flood Impacts
23.0
Water backs up into the park in Hawarden...and some basements and sewers could begin to have problems.
21.5
Iowa Highway 10 begins to flood.
20.0
Some farm houses on the South Dakota side of the river are isolated by high water.
19.0
South Dakota Highway 46 begins to flood.
15.0
Agricultural flooding begins on the South Dakota side of the river.
12.0
The lowest banks overflow and begin to flood into sloughs.
Historical Crests
Low Water Records
1) 24.90 ft on 05/10/1993
2) 24.60 ft on 04/09/1969
3) 24.20 ft on 06/23/1984
4) 23.85 ft on 04/25/2001
5) 23.20 ft on 03/30/1962
6) 22.70 ft on 03/16/2007
7) 22.50 ft on 04/08/1997
8) 22.40 ft on 09/25/1986
9) 22.30 ft on 03/30/1960
10) 22.10 ft on 06/21/1983
Historical low water information is not available.