Lake Kampeska at Watertown Water Plant, SD
River level and flood forecast · Codington County
Normal17.5 ftas of Mon 2:15 PM
The river is 3.5 ft below flood stage (21 ft).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 22.5 ft |
| Moderate flood stage | 22 ft |
| Flood stage | 21 ft |
| Action stage | 19 ft |
| Record crest (April 6, 1997) | 23.71 ft |
What floods at each level
From the National Weather Service, highest first.
- 22.5 ftWater reaches the bottom of the bridge at the Inlet/Outlet, and several homes and businesses will begin to flood
- 22 ftParking lots and some garages and outbuildings begin to flood
- 21 ftYards around the lake begin to flood
- 18.2 ftLake outlet elevation
- 17.8 ftFull level of the lake
Highest crests on record
- 23.71 ft — April 6, 1997
- 22.57 ft — June 22, 2010
- 21.68 ft — March 30, 2019
- 21.53 ft — April 9, 2011
- 21.52 ft — April 16, 2023
Recent crests: 21.52 ft (April 16, 2023) · 19.95 ft (April 8, 2020) · 21.68 ft (March 30, 2019) · 20.65 ft (April 24, 2018) · 17.33 ft (September 30, 2017)
Up and down the river, and nearby
- Big Sioux River at Lake Kampeska, SD
- Big Sioux River at Watertown Sioux Conifer Road, SD
- Big Sioux River at Watertown Broadway Avenue, SD
- South Branch Tributary Mud Creek near Rauville, SD
- Big Sioux River near Watertown, SD
- Willow Creek near Watertown, SD
- Mud Creek near Rauville, SD
- Big Sioux River below Watertown, SD
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (KMPS2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.