Select a point: Marshalltown - Tama - Belle Plaine - Marengo - Coralville Dam Iowa City - Lone Tree - Columbus Junction - Wapello - Oakville |
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Iowa River at Marshalltown | ||
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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 | ||
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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 | ||
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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** |
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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** |
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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 | ||
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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 |
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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** |
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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** |
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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** |
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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 | ||
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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 |