Midland Dam
Midland Dam is an earth dam located in Haakon County, South Dakota, built in 1940. It carries a Low hazard potential classification.
About Midland Dam
The primary purpose of Midland 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 Wade Nelson (private). It impounds the Tr-bad River near Midland.
The dam stands 25 feet tall and stretches 600 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 34 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1940, the structure is well-established, with more than 75 years of service.
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 08/17/1978. That was over 47 years ago.
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Location
| State | South Dakota |
| County | Haakon |
| Nearest City | Midland |
| River/Stream | Tr-bad River |
| Coordinates | 44.07213, -101.16899 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 600 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 34 acre-ft |
| Max Storage | 34 acre-ft |
| Normal Storage | 24 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 600 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | WADE NELSON |
| Owner Type | Private |
| Hazard Classification | Low |
| Last Inspection | 08/17/1978 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01509 |
| Federal ID | SD01509 |
| More Info | State Dam Safety Program |