RIVER GAUGE · CALAMUS RIVER
Calamus River near Harrop
Loup County, Nebraska
Water level4.13 ft
Flow218 cfs
Last readingSep 16, 2026, 4:45 PM UTC (last recorded)
Action7 ft
Minor flood7.5 ft
Moderate flood9 ft
Major flood10 ft
The past week
Loading chart…
What floods at each level
- 10 ft
Extreme flooding of agricultural area along the Calamus River above Calamus Reservoir.
- 9 ft
Moderate flood stage. Significant flooding of agricultural area along the Calamus River above Calamus Reservoir.
- 7.5 ft
Minor flooding of agricultural area along the Calamus River above Calamus Reservoir.
- 7 ft
Action stage. Flooding of low lying areas of the Calamus River upstream from Calamus Reservoir.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Jun 11, 2010 | 7.75 ft | 3,260 cfs |
| Jan 20, 2020 | 7.34 ft | — |
| Feb 7, 2021 | 7.09 ft | — |
More on Calamus River
Get an alert when Calamus River rises
Save this gauge in the free StormCast app and pick the level that matters to you. Your phone goes off when the water gets there.

