RIVER GAUGE · BIG BLUE RIVER
Big Blue River near Manhattan
Riley County, Kansas
Water level1.32 ft
Flow542 cfs
Last readingSep 16, 2026, 5:00 PM UTC (last recorded)
Action15 ft
Minor flood19 ft
Moderate flood27 ft
Major flood30 ft
The past week
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What floods at each level
- 37 ft
Levee along the Big Blue River is overtopped.
- 30 ft
Structures along and north of Prospect Street and along Messenger Road flood.
- 27 ft
Structures along Harwood Road flood.
- 19 ft
Minor low land flooding begins along the river.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Jul 11, 1951 | 36.04 ft | 93,400 cfs |
| Jul 22, 1993 | 32.71 ft | 58,800 cfs |
| Jun 1, 2019 | 22.41 ft | — |
Flood map
See which streets and areas flood at each water level here. Open the flood map ↗
More on Big Blue River
Get an alert when Big Blue 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.
