Scoria
Scoria is an earth dam located in Harding County, South Dakota, built in 1967. It carries a Low hazard potential classification.
About Scoria
The primary purpose of Scoria is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Martin Tennent (private). It impounds the Little Missouri-tr.
The dam stands 27 feet tall and stretches 340 feet across, and has a maximum storage capacity of 86 acre-feet. Completed in 1967, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
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Location
| State | South Dakota |
| County | Harding |
| River/Stream | Little Missouri-tr |
| Coordinates | 45.81833, -103.99999 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 340 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 86 acre-ft |
| Max Storage | 86 acre-ft |
| Normal Storage | 77 acre-ft |
| Max Discharge | 420 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | MARTIN TENNENT |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00632 |
| Federal ID | SD00632 |
| More Info | State Dam Safety Program |