Wilson Ranch Dam
Wilson Ranch Dam is an earth dam located in Meade County, South Dakota, built in 1958. It carries a Low hazard potential classification.
About Wilson Ranch Dam
The primary purpose of Wilson Ranch 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 Wilson Ranch (private). It impounds the Tr Moreau River.
The dam stands 13 feet tall and stretches 850 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 94 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1958, 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. The most recent inspection on record was 11/15/1985. That was over 40 years ago.
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Location
| State | South Dakota |
| County | Meade |
| Nearest City | None |
| River/Stream | Tr Moreau River |
| Coordinates | 45.03833, -102.47332 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 850 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 94 acre-ft |
| Max Storage | 94 acre-ft |
| Normal Storage | 39 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 12,400 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | WILSON RANCH |
| Owner Type | Private |
| Hazard Classification | Low |
| Last Inspection | 11/15/1985 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01755 |
| Federal ID | SD01755 |
| More Info | State Dam Safety Program |