Johnny Johnson Dam
Johnny Johnson Dam is an earth dam located in Butte County, South Dakota, built in 2008. It carries a Low hazard potential classification.
About Johnny Johnson Dam
The primary purpose of Johnny Johnson Dam 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 Sd S&pl (state). It impounds the South Fork Moreau River-tr.
The dam stands 17 feet tall and stretches 670 feet across, and has a maximum storage capacity of 275 acre-feet. Completed in 2008, the structure is relatively new.
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 | Butte |
| River/Stream | South Fork Moreau River-tr |
| Coordinates | 45.19525, -103.68863 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 670 ft |
| Year Completed | 2008 (18 years old) |
Storage & Hydraulics
| NID Storage | 275 acre-ft |
| Max Storage | 275 acre-ft |
| Normal Storage | 86 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | SD S&PL |
| Owner Type | State |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02640 |
| Federal ID | SD02640 |
| More Info | State Dam Safety Program |