Cedar Rapids Milldam Iel&P
Key Takeaway
Cedar Rapids Milldam Iel&P is classified as low hazard in Iowa. It was completed in 1967 and is 59 years old. Its primary use is water supply.
Physical Details
| Dam Height | 8 ft (taller than 0.7% in IA) |
| Dam Length | 685 ft |
| Dam Type | Gravity |
| Max Storage | 1.4K acre-ft |
| Normal Storage | 840 acre-ft |
| Surface Area | 2,380 acres |
| Drainage Area | 6,726 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1967 (59 years old) |
| NID ID | IA01270 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Iowa Electric Light & Power Co
Local Government
Nearby Dams
Aegon Dam
Linn, IA
High Hazard 26 ftLehman Dam
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Low Hazard 18 ftCedar Rapids Milldam (5 In 1)
Linn, IA
Low Hazard 14 ftLakeside Development Dam
Linn, IA
Significant Hazard 45 ftMarak Dam
Johnson, IA
Low Hazard 30 ftMorf Dam
Linn, IA
Low Hazard 33 ftOakridge Lake Estates Dam
Johnson, IA
Low Hazard 42 ftRandall Dam
Johnson, IA
Low Hazard 31 ftFrequently Asked Questions
What is the hazard classification of Cedar Rapids Milldam Iel&P?
Cedar Rapids Milldam Iel&P is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Cedar Rapids Milldam Iel&P?
Cedar Rapids Milldam Iel&P is owned by Iowa Electric Light & Power Co (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cedar Rapids Milldam Iel&P built?
Cedar Rapids Milldam Iel&P was completed in 1967, making it 59 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Cedar Rapids Milldam Iel&P?
Cedar Rapids Milldam Iel&P serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Cedar Rapids Milldam Iel&P?
Cedar Rapids Milldam Iel&P has a dam height of 8 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Cedar Rapids Milldam Iel&P last inspected?
Cedar Rapids Milldam Iel&P was last inspected on October 11, 1989. Inspection dates indicate when a formal review occurred, not the results of that inspection.