Mollman Dam
Mollman Dam is an earth dam located in Perkins County, South Dakota, built in 2002. It carries a Low hazard potential classification.
About Mollman Dam
The primary purpose of Mollman Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by William Mollman (private). It impounds the Tr S. Fork Grand River.
The dam stands 26 feet tall and stretches 230 feet across, creates a reservoir covering 4 acres, and has a maximum storage capacity of 56 acre-feet. Completed in 2002, 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. The most recent inspection on record was 04/06/2004. That was over 22 years ago.
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Location
| State | South Dakota |
| County | Perkins |
| River/Stream | Tr S. Fork Grand River |
| Coordinates | 45.66429, -102.79338 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 230 ft |
| Year Completed | 2002 (24 years old) |
Storage & Hydraulics
| NID Storage | 56 acre-ft |
| Max Storage | 56 acre-ft |
| Normal Storage | 44 acre-ft |
| Surface Area | 4 acres |
| Max Discharge | 675 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | WILLIAM MOLLMAN |
| Owner Type | Private |
| Hazard Classification | Low |
| Last Inspection | 04/06/2004 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02526 |
| Federal ID | SD02526 |
| More Info | State Dam Safety Program |