Alter Dam
Key Takeaway
Alter Dam is classified as low hazard in Missouri. It was completed in 1974 and is 52 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 25 ft (taller than 23.5% in MO) |
| Dam Length | 500 ft |
| Dam Type | Earth |
| Max Storage | 127 acre-ft |
| Normal Storage | 78 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 301 sq mi |
| Max Discharge | 330 cfs |
| Year Completed | 1974 (52 years old) |
| NID ID | MO30634 |
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
ROBERT N ALTER
Private
Nearby Dams
Brent Lake Dam
Howell, MO
High Hazard 30 ftStace Shannon Lake
Howell, MO
High Hazard 32 ftByler Lake Dam
Howell, MO
Low Hazard 25 ftKennedy Dam
Howell, MO
Low Hazard 22 ftMartin Lake Dam
Howell, MO
Low Hazard 20 ftBratton Dam
Howell, MO
Low Hazard 17 ftMononame 772
Howell, MO
Low Hazard 17 ftWinlake Dam
Fulton, AR
Low Hazard 30 ftFrequently Asked Questions
What is the hazard classification of Alter Dam?
Alter 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 Alter Dam?
Alter Dam is owned by ROBERT N ALTER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Alter Dam built?
Alter Dam was completed in 1974, making it 52 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 Alter Dam?
Alter Dam serves the following purposes: Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Alter Dam?
Alter 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.