Select a point:
Marshalltown - Tama - Belle Plaine - Marengo - Coralville Dam
Iowa City - Lone Tree - Columbus Junction - Wapello - Oakville
 
Iowa River at Marshalltown
Iowa River at Marshalltown
  
Flood Categories
Record 22.25 feet - 7/2/2014
Major 26 feet
Moderate 23 feet
Minor / Flood Stage 19 feet
Action Stage 14 feet
   
River Level Impacts
14 feet There is lowland flooding north of town near Iowa 14
19 feet Water affects Iowa 14 north of the river as well as Iowa 330 south of Albion
21 feet Iowa 330 south of Albion is closed
22 feet Water reaches the low beams of the Iowa 14 bridge
26 feet Water reaches the top of the earthen levee along the river at Iowa 14
  
Iowa River near Tama
Iowa River near Tama Hwy E49
  
Flood Categories
Record 15.2 feet - 5/28/2013
Major 14 feet
Moderate 13
Minor / Flood Stage 12.5 feet
Action 11 feet
   
River Level Impacts
12.5 feet Backwater from the Iowa River covers portions of Business 30 and South Prospect Drive in Toledo
13.6 feet Water may cover US 30 east of Le Grand
13.7 feet Water covers portions of Battleground Road and Meskwaki Road
14 feet Water covers Highway E49 between D and E Avenues
15 feet Water covers Highway E49 at Battleground Road
  
Iowa River at Belle Plaine
Iowa River at Belle Plaine
  
Flood Categories
Record Not available
Minor / Flood Stage 15 feet
Action Stage 13 feet
 
River Level Impacts
13 feet Water affects 380th Street in Tama County
16 feet Water affects lowest yards on the south side of Chelsea
17.25 feet Water begins running over Highway 21 south of Belle Plaine
 
Iowa River at Marengo
**Forecast information not available for this location**
Iowa River at Marengo
 
Flood Categories
Record 21.38 feet - 6/12/2008
Major 19 feet
Moderate 17 feet
Minor / Flood Stage 15 feet
Action Stage 13 feet
 
River Level Impacts
11 feet Water affects the lowest agricultural land along the river
15 feet Water reaches the bottom of the levee surrounding Marengo
19 feet Homes west of Marengo are affected by floodwaters
22 feet Water approaches the top of the levee on the south bank at Marengo
24.5 Water reaches the top of the levee at the invert at Highway V66
 
Iowa River at Coralville Dam
**Forecasts are not available, only
observed stages are available for this point**
Iowa River above Coralville Dam
  
Flood Categories
Record Not available
Minor / Flood Stage 712 feet
Action Stage 706.9 feet
 
River Level Impacts
689 feet Road closures along portions of Sandy Beach Road
700 feet Portions of Swan Lake Road, Amana Road and 140th St are closed
702 feet The west overlook boat ramp closes, including day use areas and beaches
708 feet The intersection of Cou Falls Road and Amana Road is closed
712.1 feet The Emergency Spillway is overtopped
 
Iowa River at Iowa City
Iowa River at Iowa City
  
Flood Categories
Record 31.53 feet - 6/15/2008
Major 26 feet
Moderate 24.5 feet
Minor / Flood Stage 23.5 feet
Action Stage 21 feet
  
River Level Impacts
17.5 feet Some low lying trails along the river become inundated and are closed to pedestrian use
23.5 feet
Stevens Drive is inundated by flood waters. Sidewalks near Iowa Memorial Union. Izaak Walton Road and Sand Road are both flooded. Flood waters impact properties off Taft Speedway
26.5 feet Normandy Drive residences are evacuated
27 feet Flood protection becomes necessary at the University of Iowa
29 feet Serious flood damage occurs at the University of Iowa campus
 
Iowa River at Lone Tree
**Forecasts are issued as needed during times of 
high water, but are not routinely available**
Iowa River near Lone Tree (Tri-County Bridge)
  
Flood Categories
Record 23.10 feet - 6/15/2008
Major 22 feet
Moderate 18.5 feet
Minor / Flood Stage 16 feet
Action Stage 14 feet
  
River Level Impacts
14 feet Water reaches the tops of the river banks
15 feet Water nears low lying roads and reaches agricultural levees
18.5 feet River Junction Access is flooded. Low lying rural roads are under water
20 feet Water reaches the bottom of the County Road W66 bridge deck
22 feet Hills access is flooded. Homes on Lola Lane, Y Avenue and near the Tri-County Bridge are affected as access is cut off due to flooded roads
 
Iowa River at Columbus Junction 
**Forecasts are issued as needed during times of 
high water, but are not routinely available**
Iowa River at Columbus Jct
 
River Level Impacts
Record 32.30 feet - 6/15/2008
Major 26.5 feet
Moderate 25 feet
Minor / Flood Stage 23 feet
Action Stage 19 feet
 
River Level Impacts
23 feet Water affects residential property along the river south of the Iowa Highway 92 Bridge
25 feet Intersection of Highway G36 and 165th St is underwater and closed
27.2 feet Water goes over Iowa State Highway 92
31 feet Water is over the west approach to the Iowa State Highway 92 bridge
36 feet Water goes over the Iowa State Highway 92 bridge roadway
 
Iowa River at Wapello 
**Forecasts are issued as needed during times of 
high water, but are not routinely available**
Iowa River at Wapello
 
River Level Impacts
Record 32.15 feet  - 6/14/2008
Major 27.5 feet
Moderate 25 feet
Minor / Flood Stage 21 feet
Action Stage 18.5 feet
 
River Level Impacts
20 feet Low lying areas begin taking on water
22 feet Water affects residences near the U.S. Highway 61 bridge
27.5 feet Water affects U.S. Highway 61 north of Wapello
38 feet Water is at the bottom of the Iowa Highway 99 bridge at Wapello
42 feet Water overtops the Wapello levee system which extends 3.5 to 5.0 mi downstream from the city
 
Iowa River at Oakville
Iowa River at Oakville
 
Flood Categories
Record 23.22 feet - 6/14/2008
Major 20 feet
Moderate 15 feet
Minor / Flood Stage 11 feet
Action Stage 8 feet
   
River Level Impacts
11.5 feet River Road is under water and the water is a few feet up onto the levee
12 feet Flooding of agricultural land is ongoing. Several county roads are under water and closed
15 feet Water affects the south approach to the Iowa Highway 99 bridge near Oakville
20 feet Water nears the top of the levee in Oakville