RIVER GAUGE · BLACKWATER RIVER
Blackwater River near Valley City
Johnson County, Missouri
Water level2.39 ft
Flow8 cfs
Last readingSep 16, 2026, 5:00 PM UTC (last recorded)
Action17 ft
Minor flood22 ft
Moderate flood25 ft
Major flood31 ft
The past week
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What floods at each level
- 31 ft
Extensive flooding of rural property and many roads occurs.
- 25 ft
County Highway E near Valley City and Highway 23 near the Perry State Wildlife Area are under water.
- 22 ft
Woodlands and farm fields along the river begin to flood.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Jul 31, 2020 | 34.31 ft | — |
| Aug 6, 2017 | 33.83 ft | 26,400 cfs |
| Apr 3, 2014 | 33.62 ft | 25,800 cfs |
When the water runs low
- 3.0
River nears zero flow.
More on Blackwater River
DownstreamBlackwater River near Blue Lick
Get an alert when Blackwater 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.

