North Branch Chicago River at Chicago (Grand Ave)

The past week

What floods at each level

• 6 ft

  Numerous structures flooded near the river in the Chicago Loop, Near North Side, West Town, Near West Side, Lower West Side, and Armour Square areas of Chicago.

• 5.5 ft

  Railroad tracks near Lake and Canal Streets are threatened.

• 5 ft

  Lower level of residences threatened along Wells Street near Polk Street. A few residences threatened along the river near Grand Avenue. Railroad tracks near Union Station are threatened. Lower level of office towers may be threatened near the river. Low-lying parking lots are threatened between Grand Avenue and Chicago Avenue.

• 4 ft

  Lower Wacker Drive is threatened.

• 3.5 ft

  Commercial areas of the Chicago Riverwalk are threatened.

• 3 ft

  Numerous stretches of the Chicago Riverwalk are inundated. USACE and MWRD consider opening of Chicago Lock to reduce flood impacts, depending on the water level of Lake Michigan.

• 2 ft

  Low-lying sections of the Chicago Riverwalk are threatened. Low-lying sections of Ping Tom Park are inundated.

• 1 ft

  City of Chicago considers closure of the Chicago Riverwalk.

Highest crests on record

When the water runs low

• -4

  Low water levels begin to impact shipping interests along the river.

More on North Branch Chicago River