RIVER GAUGE · CEDAR RIVER
Cedar River at Janesville
Bremer County, Iowa
Water level1.77 ft
Flow895 cfs
Last readingSep 16, 2026, 4:45 PM UTC (last recorded)
Action10 ft
Minor flood13 ft
Moderate flood15 ft
Major flood18 ft
The past week
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What floods at each level
- 14 ft
Water threatens areas of Janesville south of 8th St.
- 13 ft
Water affects W 3rd St and may result in evacuation of a trailer court in Janesville. Water also affects much of the Janesville city park as well as nearby gravel roads.
- 12 ft
Widespread lowland flooding occurs especially within the city park. The flooding covers approximately 6000 acres.
- 11 ft
Lowland flooding of the city park occurs.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Jun 9, 2008 | 19.45 ft | 53,400 cfs |
| Jul 21, 1999 | 17.15 ft | 42,200 cfs |
| Mar 27, 1961 | 16.33 ft | 37,000 cfs |
More on Cedar River
UpstreamCedar River at Waverly
DownstreamCedar River at Cedar Falls
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