Iowa River at Marengo

The past week

What floods at each level

• 24.5 ft

  Water reaches the top of the levee at the invert at Highway V66.

• 23.7 ft

  Water reaches the top of the levee invert on the west side of Marengo.

• 22 ft

  Water approaches the top of the levee on the south bank at Marengo.

• 20.9 ft

  Water reaches the bottom of the Highway V66 bridge.

• 19.5 ft

  Water affects the Whirlpool Corporation parking lot and southeast exterior of the plant in Middle Amana.

• 19 ft

  Homes west of Marengo are affected by floodwaters. Significant flooding of agricultural land.

• 18 ft

  Water breaches the mill race dikes near Middle Amana.

• 17 ft

  Extensive inundation of agricultural land.

• 16 ft

  Water affects agricultural land along the river. Water is several feet deep in places.

• 15 ft

  Water reaches the bottom of the levee surrounding Marengo. Water affects low lying agricultural land along the river

• 14 ft

  Low lying agricultural land and pastureland along the river upstream of Marengo is affected.

• 11 ft

  Water affects the lowest agricultural land along the river.

Highest crests on record

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