RIVER GAUGE · BLANCHARD RIVER
Blanchard River at Ottawa
Putnam County, Ohio
Water level5.55 ft
Flow95 cfs
Last readingSep 16, 2026, 4:30 PM UTC (last recorded)
Action20 ft
Minor flood23 ft
Moderate flood27 ft
Major flood30 ft
The past week
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What floods at each level
- 29 ft
Widespread major flooding occurs throughout downtown Ottawa.
- 27 ft
Flooding worsens on the south side of Ottawa, with water on several roads. Flooding also begins in other areas of Ottawa.
- 26.6 ft
Flood water begins to hit the bottom of the bridge at the gage site.
- 25 ft
Flooding begins along south Walnut and west Second Streets on the south side of Ottawa.
- 23 ft
Lowland flooding occurs mainly in south Ottawa. Flood water also gets into low farmlands.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Mar 24, 1913 | 33.3 ft | — |
| Aug 22, 2007 | 31.4 ft | — |
| Jun 14, 1981 | 29.75 ft | — |
Flood map
See which streets and areas flood at each water level here. Open the flood map ↗
More on Blanchard River
UpstreamBlanchard River at Gilboa ↗
DownstreamAuglaize River near Defiance
Get an alert when Blanchard 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.
