Iroquois River at Rensselaer, IN

River level and flood forecast · Jasper County

Normal4.3 ftas of Mon 2:30 PM

The river is 7.7 ft below flood stage (12 ft).

Flow: 88 cubic feet per second (USGS).

The last 7 days and the forecast

2.557.51012.51517.5TueWedThuFriSatSunMonAction 11 ftFlood 12 ftModerate 14 ftMajor 15 ftNowObserved (ft)NWS forecast

NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage15 ft
Moderate flood stage14 ft
Flood stage12 ft
Action stage11 ft
Record crest (February 22, 2018)17.04 ft

What floods at each level

From the National Weather Service, highest first.

  • 22 ftI-65 is threatened west of Rensselaer.
  • 18.5 ftWidespread inundation of structures and roads begins in east Rensselaer. Grace Street is threatened in Rensselaer.
  • 18 ftUS-231 (Washington Street) threatened in Rensselaer.
  • 17.5 ftWater treatment plant in Rensselaer threatened. IL-114 is inundated east of the river east of Rensselaer.
  • 17 ftExtensive flooding of Potawatomi Park and Laird's Landing in Rensselaer.
  • 16.5 ftStructures threatened along Kanne Lane in west Rensselaer.
  • 16 ftExtensive flooding of cemetery and nearby public works.
  • 15 ftCollege Avenue threatened in Rensselaer.
  • 14 ftA couple homes threatened in Rensselaer.
  • 12 ftLow-lying agricultural land inundated. Parking lots threatened at Lairds Landing.
  • 10 ftWater overtops low-lying banks near Rensselaer.

Highest crests on record

  1. 17.04 ft — February 22, 2018
  2. 16.74 ft — June 18, 2015
  3. 16.59 ft — July 10, 2003
  4. 16.54 ft — June 10, 1958
  5. 16.16 ft — March 12, 2009

Recent crests: 11.83 ft (May 19, 2020) · 12.47 ft (January 12, 2020) · 12.51 ft (May 2, 2019) · 17.04 ft (February 22, 2018) · 11.17 ft (April 7, 2017)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (RZLI3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.