Promise City Reservoir Dam
Key Takeaway
Promise City Reservoir Dam is classified as low hazard in Iowa. It was completed in 1900 and is 126 years old. Its primary use is water supply.
Physical Details
| Dam Height | 25 ft (taller than 19.3% in IA) |
| Dam Length | 320 ft |
| Dam Type | Earth |
| Max Storage | 250 acre-ft |
| Normal Storage | 150 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1900 (126 years old) |
| NID ID | IA01386 |
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
City of Promise City
Local Government
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What is the hazard classification of Promise City Reservoir Dam?
Promise City Reservoir 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 Promise City Reservoir Dam?
Promise City Reservoir Dam is owned by City of Promise City (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Promise City Reservoir Dam built?
Promise City Reservoir Dam was completed in 1900, making it 126 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 Promise City Reservoir Dam?
Promise City Reservoir Dam 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 Promise City Reservoir Dam?
Promise City Reservoir Dam has a dam height of 25 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 Promise City Reservoir Dam last inspected?
Promise City Reservoir Dam was last inspected on March 5, 1992. Inspection dates indicate when a formal review occurred, not the results of that inspection.