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Blanchard River at Ottawa

Critical Stages
20' - Action
23' - Flood
27' - Moderate
30' - Major

Latest Observation

Updated: 7:30 AM EST 12/16/25

Status: No Flooding

Stage: 4.96 ft

Flow: 0.045 kcfs

Forecast

Forecast not available for this location.

TimeStage (ft)Flow (kcfs)
7:30 AM 12/16 4.96 0.045
7:15 AM 12/16 4.96 0.045
7:00 AM 12/16 4.97 0.0457
6:45 AM 12/16 4.97 0.0457
6:30 AM 12/16 4.98 0.0463
6:15 AM 12/16 4.98 0.0463
6:00 AM 12/16 4.98 0.0463
5:45 AM 12/16 4.99 0.047
5:30 AM 12/16 5 0.0477
5:15 AM 12/16 5 0.0477
5:00 AM 12/16 5 0.0477
4:45 AM 12/16 5.01 0.0484
4:30 AM 12/16 5.01 0.0484
4:15 AM 12/16 5.02 0.0491
4:00 AM 12/16 5.02 0.0491
3:45 AM 12/16 5.03 0.0498
3:30 AM 12/16 5.03 0.0498
3:15 AM 12/16 5.04 0.0505
3:00 AM 12/16 5.05 0.0513
2:45 AM 12/16 5.05 0.0513
2:30 AM 12/16 5.06 0.052
2:15 AM 12/16 5.06 0.052
2:00 AM 12/16 5.07 0.0528
1:45 AM 12/16 5.08 0.0535
1:30 AM 12/16 5.08 0.0535
1:15 AM 12/16 5.09 0.0543
1:00 AM 12/16 5.1 0.0551
12:45 AM 12/16 5.1 0.0551
12:30 AM 12/16 5.11 0.0559
12:15 AM 12/16 5.12 0.0567
Hydrograph for Blanchard River at Ottawa
29' - Widespread major flooding occurs throughout downtown Ottawa.
27' - Flooding worsens on the south side of Ottawa, with water on several roads. Flooding also begins in other areas of Ottawa.
26.6' - Flood water begins to hit the bottom of the bridge at the gage site.
25' - Flooding begins along south Walnut and west Second Streets on the south side of Ottawa.
23' - Lowland flooding occurs mainly in south Ottawa. Flood water also gets into low farmlands.
DateStage (ft)
Mar 25, 1913 33.3
Aug 23, 2007 31.4
Jun 15, 1981 29.75
Feb 11, 1959 29.72
Feb 7, 2008 29.29
Dec 23, 2013 28.85
Mar 9, 2009 28.72
Mar 2, 2011 28.46
Jun 2, 1997 28.4
Jul 15, 2017 27.55
Apr 13, 2013 27.31
Jan 13, 2005 27.25
Jan 7, 2007 27.09
Mar 13, 1982 26.65
Dec 31, 1990 26.51
Feb 28, 1997 26.5
Dec 3, 2006 26.5
Dec 1, 2011 26.33
Jan 1, 1991 26.08
May 12, 2003 26.06

Data provided by the National Weather Service.