Thompson Dam
Key Takeaway
Thompson Dam is classified as low hazard in Iowa. It was completed in 1975 and is 51 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 25 ft (taller than 19.3% in IA) |
| Dam Length | 525 ft |
| Dam Type | Earth |
| Max Storage | 21 acre-ft |
| Normal Storage | 21 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1975 (51 years old) |
| NID ID | IA02879 |
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
Averille Thompson
Private
Nearby Dams
Turkey Creek Watershed Site 10-26
Cass, IA
Low Hazard 31 ftTurkey Cr Watershed Site 19-34a
Cass, IA
Low Hazard 22 ftTurkey Cr Watershed Site 10-25
Cass, IA
Low Hazard 26 ftTurkey Cr Watershed Site 10-24
Cass, IA
Low Hazard 31 ftTurkey Cr Watershed Site 39
Cass, IA
Low Hazard 31 ftTurkey Cr Watershed Site 23-20
Cass, IA
Low Hazard 20 ftTurkey Creek Watershed Site 19-29
Cass, IA
Low Hazard 26 ftTurkey Cr Watershed Site 23-14
Cass, IA
Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Thompson Dam?
Thompson 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 Thompson Dam?
Thompson Dam is owned by Averille Thompson (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Thompson Dam built?
Thompson Dam was completed in 1975, making it 51 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 Thompson Dam?
Thompson Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Thompson Dam?
Thompson 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.