Wapsipinicon River near Tripoli, IA
River level and flood forecast · Bremer County
Normal8.6 ftas of Mon 2:45 PM
The river is 6.4 ft below flood stage (15 ft).
Flow: 269 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 | 17 ft |
| Moderate flood stage | 16 ft |
| Flood stage | 15 ft |
| Action stage | 14 ft |
| Record crest (August 29, 2021) | 18.51 ft |
What floods at each level
From the National Weather Service, highest first.
- 18.3 ftWater affects Iowa 93 north of Tripoli near the gauge site.
- 15.3 ftCounty Rd C57 is closed between US Hwy 281 and Adams Rd.
- 11.5 ftWater affects the lowest portions of the Sweet Water Creek bike trail near Tripoli.
Highest crests on record
- 18.51 ft — August 29, 2021
- 18.5 ft — July 21, 1999
- 18.24 ft — June 9, 2008
- 17.26 ft — July 1, 1969
- 17.22 ft — September 23, 2016
Recent crests: 15.74 ft (August 20, 2025) · 14.58 ft (May 23, 2024) · 12.39 ft (November 14, 2021) · 18.51 ft (August 29, 2021) · 14.04 ft (March 21, 2020)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (TPLI4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.