Plotz Dam

Johnson County, Iowa (near CORALVILLE RESERVOIR)

River/Stream: TR-KNAPP CREEK

Low Hazard

Failure would cause minimal damage

Key Facts

Dam Type
Earth
Height
28 ft
Dam Length
287 ft
Reservoir Storage
44 acre-ft
Year Completed
1968
Primary Purpose
Recreation
Owner Type
Private
Max Discharge
—

Condition Assessment

Not Rated

Hazard Classification: Low — This describes the potential consequences of dam failure, not the likelihood of failure.

Condition Assessment: Not Rated — This describes the current physical condition of the dam based on the most recent inspection.

Location

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Quick Stats

NID ID
IA01328
State
Iowa (IA)
Coordinates
41.82820, -91.79860
Age
58 years

Nearby Dams

External Resources

Data sourced from the National Inventory of Dams (NID). Information may not reflect the most current status of this dam. Hazard classification reflects potential consequences of failure, not the likelihood of failure or the current condition.