Rivers in Indiana
Iroquois River at Rensselaer
Below flood stage
4.32ftStage
Observed Sun, Sep 27, 5:30 AM CDT
- Flood stage
- 12.00 ft
- Record crest
- 17.04 ft2018
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 15.00 ft |
| Moderate flood | 14.00 ft |
| Minor flood | 12.00 ft |
| Action | 11.00 ft |
- 22.00 ftI-65 is threatened west of Rensselaer.
- 18.50 ftWidespread inundation of structures and roads begins in east Rensselaer. Grace Street is threatened in Rensselaer.
- 18.00 ftUS-231 (Washington Street) threatened in Rensselaer.
- 17.50 ftWater treatment plant in Rensselaer threatened. IL-114 is inundated east of the river east of Rensselaer.
- 17.00 ftExtensive flooding of Potawatomi Park and Laird's Landing in Rensselaer.
- 16.50 ftStructures threatened along Kanne Lane in west Rensselaer.
- 16.00 ftExtensive flooding of cemetery and nearby public works.
- 15.00 ftCollege Avenue threatened in Rensselaer.
- 14.00 ftA couple homes threatened in Rensselaer.
- 12.00 ftLow-lying agricultural land inundated. Parking lots threatened at Lairds Landing.
- 10.00 ftWater overtops low-lying banks near Rensselaer.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | 17% |
| Moderate flooding | 7% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 25, 2026.
Crest history
55 crests on NOAA’s list since 1949.
| # | Date | Stage |
|---|---|---|
| 1 | February 22, 2018 | 17.04 ft |
| 2 | June 18, 2015 | 16.74 ft |
| 3 | July 10, 2003 | 16.59 ft |
| 4 | June 10, 1958 | 16.54 ft |
| 5 | March 12, 2009 | 16.16 ft |
| 6 | December 31, 1990 | 15.79 ft |
| 7 | February 7, 2008 | 15.64 ft |
| 8 | October 18, 1993 | 15.52 ft |
| 9 | March 5, 1979 | 15.15 ft |
| 10 | January 10, 2008 | 15.11 ft |
| 11 | March 14, 1982 | 14.88 ft |
| 12 | January 15, 2005 | 14.65 ft |
| 13 | April 29, 2011 | 14.02 ft |
| 14 | June 2, 2013 | 13.94 ft |
| 15 | December 30, 2015 | 13.78 ft |
| 16 | February 13, 1959 | 13.73 ft |
| 17 | May 14, 2002 | 13.65 ft |
| 18 | July 10, 2015 | 13.58 ft |
| 19 | May 16, 1981 | 13.50 ft |
| 20 | March 6, 1963 | 13.43 ft |
| 21 | September 17, 2008 | 13.38 ft |
| 22 | April 5, 1950 | 13.37 ft |
| 23 | April 29, 1957 | 13.21 ft |
| 24 | January 24, 1999 | 13.20 ft |
| 25 | February 22, 1997 | 13.19 ft |
Most recent crests
- May 19, 2020: 11.83 ft
- January 12, 2020: 12.47 ft
- May 2, 2019: 12.51 ft
- February 22, 2018: 17.04 ft
- April 7, 2017: 11.17 ft
- January 21, 2017: 10.87 ft
- September 11, 2016: 11.77 ft
- March 14, 2016: 11.30 ft
- December 30, 2015: 13.78 ft
- July 10, 2015: 13.58 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the North Central River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. River forecasts for this location take into account past and future precipitation. The stages/flows that will occur may be different if future rainfall is different than forecast.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.