Troy Mills Dam
Key Takeaway
Troy Mills Dam is classified as low hazard in Iowa. It was completed in 1989 and is 37 years old. Its primary use is recreation.
Physical Details
| Dam Height | 7 ft |
| Dam Length | 300 ft |
| Dam Type | Gravity |
| Max Storage | 640 acre-ft |
| Normal Storage | 640 acre-ft |
| Surface Area | 182 acres |
| Drainage Area | 1,210 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1989 (37 years old) |
| NID ID | IA02468 |
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
Troy Mills Dam Association
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Troy Mills Dam?
Troy Mills Dam 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 Troy Mills Dam?
Troy Mills Dam is owned by Troy Mills Dam Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Troy Mills Dam built?
Troy Mills Dam was completed in 1989, making it 37 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 Troy Mills Dam?
Troy Mills Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Troy Mills Dam?
Troy Mills Dam has a dam height of 7 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.