Scoria
Key Takeaway
Scoria is classified as low hazard in South Dakota. It was completed in 1967 and is 59 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 27 ft (taller than 71.8% in SD) |
| Dam Length | 340 ft |
| Dam Type | Earth |
| Max Storage | 86 acre-ft |
| Normal Storage | 77 acre-ft |
| Max Discharge | 420 cfs |
| Year Completed | 1967 (59 years old) |
| NID ID | SD00632 |
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
MARTIN TENNENT
Private
Nearby Dams
Holsti Dam
Harding, SD
Low Hazard 15 ftMud Butte
Harding, SD
Low Hazard 20 ftEvenson North Irrigation
Harding, SD
Low Hazard 18 ftWallenstein
Carter, MT
Low Hazard 20 ftErnest Wallstein Dam
Carter, MT
Low HazardEvenson Irrigation Dam
Harding, SD
Low Hazard 30 ftRolph #1
Carter, MT
Low Hazard 15 ftKool-Aid
Carter, MT
Low Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Scoria?
Scoria 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 Scoria?
Scoria is owned by MARTIN TENNENT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Scoria built?
Scoria was completed in 1967, making it 59 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 Scoria?
Scoria 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 Scoria?
Scoria has a dam height of 27 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.