Three Mile Creek Watershed Site 66
Key Takeaway
Three Mile Creek Watershed Site 66 is classified as low hazard in Iowa. It was completed in 1969 and is 57 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 23 ft (taller than 13.3% in IA) |
| Dam Length | 630 ft |
| Dam Type | Earth |
| Max Storage | 63 acre-ft |
| Normal Storage | 31 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1969 (57 years old) |
| NID ID | IA01934 |
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
Adair County SWCD
Local Government
Nearby Dams
Three Mile Creek Watershed Site 65
Adair, IA
Low Hazard 30 ftThree Mile Creek Watershed Site 63
Adair, IA
Low Hazard 33 ftHatfield Dam
Adair, IA
Low Hazard 27 ftDowning Dam
Union, IA
Low Hazard 25 ftClaiser Dam
Union, IA
Low Hazard 29 ftAkers Farms Dam
Adair, IA
Low Hazard 31 ftHatfield Dam
Adair, IA
Low Hazard 22 ftThree Mile Creek Watershed Site 58
Union, IA
Low Hazard 32 ftFrequently Asked Questions
What is the hazard classification of Three Mile Creek Watershed Site 66?
Three Mile Creek Watershed Site 66 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 Three Mile Creek Watershed Site 66?
Three Mile Creek Watershed Site 66 is owned by Adair County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Three Mile Creek Watershed Site 66 built?
Three Mile Creek Watershed Site 66 was completed in 1969, making it 57 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 Three Mile Creek Watershed Site 66?
Three Mile Creek Watershed Site 66 serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Three Mile Creek Watershed Site 66?
Three Mile Creek Watershed Site 66 has a dam height of 23 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.