Idot Roadgrade Dam 32-88-25
Key Takeaway
Idot Roadgrade Dam 32-88-25 is classified as low hazard in Iowa. It was completed in 1977 and is 49 years old. Its primary use is other.
Physical Details
| Dam Height | 28 ft (taller than 36.9% in IA) |
| Dam Length | 350 ft |
| Dam Type | Earth |
| Max Storage | 59 acre-ft |
| Normal Storage | 29 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1977 (49 years old) |
| NID ID | IA01458 |
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 Department of Transportation
State Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Idot Roadgrade Dam 32-88-25?
Idot Roadgrade Dam 32-88-25 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 Idot Roadgrade Dam 32-88-25?
Idot Roadgrade Dam 32-88-25 is owned by Iowa Department of Transportation (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Idot Roadgrade Dam 32-88-25 built?
Idot Roadgrade Dam 32-88-25 was completed in 1977, making it 49 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 Idot Roadgrade Dam 32-88-25?
Idot Roadgrade Dam 32-88-25 serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Idot Roadgrade Dam 32-88-25?
Idot Roadgrade Dam 32-88-25 has a dam height of 28 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.