Maple River near Frederick, ND
River level and flood forecast · Brown County
Normal1.9 ftas of Mon 1:45 PM
The river is 8.1 ft below flood stage (10 ft).
Flow: 0 cubic feet per second (USGS).
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 | 15 ft |
| Moderate flood stage | 13.5 ft |
| Flood stage | 10 ft |
| Action stage | 9 ft |
| Record crest (March 29, 1997) | 16.19 ft |
What floods at each level
From the National Weather Service, highest first.
- 19.5 ftThe bridge at the gaging location is overtopped
- 16.5 ftThe water reaches the bottom of the bridge at the gaging location
- 16 ftThe bridge on 107th street and the bridge on main street in Frederick are under water
- 14 ftThe bridge 1 mile south of the gage is overtopped
- 13.5 ft107th street is flooded and the water reaches the bottom of the bridge 2 miles south of the gage
- 13 ft104th street is flooded
- 12 ftThe water reaches the bottom of the bridge 1 mile south of the gage the bridge 1 mile north of the gage is overtopped
- 11 ftThe water reaches the bottom of the bridge 1 mile north of the gage
- 10.5 ftThe bridge 2 miles north of the gage is overtopped
- 9.5 ftThe water reaches the bottom of the bridge 2 miles north of the gage
Highest crests on record
- 16.19 ft — March 29, 1997
- 16.13 ft — March 24, 2009
- 15.23 ft — March 19, 2010
- 15.22 ft — April 11, 1969
- 14.26 ft — April 3, 2019
Recent crests: 9.73 ft (August 12, 2025) · 12.34 ft (April 17, 2023) · 8.96 ft (April 9, 2020) · 14.26 ft (April 3, 2019) · 10.02 ft (April 22, 2018)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MAPS2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.