East Arm Little Calumet River at Porter, IN

River level and flood forecast · Porter County

Normal3.5 ftas of Mon 2:45 PM

The river is 4.5 ft below flood stage (8 ft).

Flow: 56 cubic feet per second (USGS).

The last 7 days and the forecast

246810TueWedThuFriSatSunMonAction 7 ftFlood 8 ftNowObserved (ft)NWS forecast

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

Flood stages

Flood stage8 ft
Action stage7 ft
Record crest (September 15, 2008)11.3 ft

What floods at each level

From the National Weather Service, highest first.

  • 17 ftStructures may be threatened along Wagner Road. US-20 may be threatened. Meadowbrook Road may be threatened at Westport Road. Ackerman Street may be threatened at Hawthorne Park.
  • 15.5 ftLeague Lane is threatened.
  • 14 ftI-90 is threatened. Calumet Road threatened in Chesterton.
  • 13 ftWaverly Road is threatened.
  • 12 ftStructures threatened at Dietrich Environmental Control Facility in Porter. Multiple structures threatened on Lake Vista Court. Wagner Road threatened north of the river. Indian Boundary Road and Brummitt Road may be threatened east of Chesterton.
  • 11 ftMineral Springs Road is threatened. Brickyard Trail inundated near Field Station School in Indiana Dunes National Park. Low-lying parking lots threatend at St. Patrick Elementary School in Chesterton.
  • 10.5 ftA few structures may be threatened on Lake Vista Court. Riverside Drive and Westport Road threatened near IN-149. Low-lying property at Dietrich Environmental Control Facility threatened in Porter.
  • 8.5 ftHowe Road threatened south of the river in Indiana Dunes National Park northwest of Porter.
  • 7 ftWetland and forest land inundated along the river in Porter and Chesterton.
  • 5.5 ftLittle Calumet Trail inundated at Indiana Dunes National Park.
  • 5 ftWater overtops low-lying banks in Porter and Chesterton.

Highest crests on record

  1. 11.3 ft — September 15, 2008
  2. 10.96 ft — October 10, 1954
  3. 10.6 ft — February 21, 2018
  4. 10.53 ft — November 28, 1990
  5. 10.33 ft — May 10, 1996

Recent crests: 6.93 ft (March 1, 2021) · 9.44 ft (May 24, 2020) · 8.74 ft (May 16, 2020) · 8.22 ft (April 30, 2020) · 9.31 ft (January 12, 2020)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (PRTI3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.