Walloch Dam
Walloch Dam is an earth dam located in Yankton County, South Dakota, built in 2016. It carries a Low hazard potential classification.
About Walloch Dam
The primary purpose of Walloch 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 Robert Walloch (private). It impounds the Beaver Creek-tr.
The dam stands 20 feet tall and stretches 547 feet across, creates a reservoir covering 9 acres, and has a maximum storage capacity of 91 acre-feet. Completed in 2016, 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 | Yankton |
| River/Stream | Beaver Creek-tr |
| Coordinates | 43.02614, -97.54345 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 547 ft |
| Year Completed | 2016 (10 years old) |
Storage & Hydraulics
| NID Storage | 91 acre-ft |
| Max Storage | 91 acre-ft |
| Normal Storage | 41 acre-ft |
| Surface Area | 9 acres |
| Max Discharge | 715 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Robert Walloch |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02650 |
| Federal ID | SD02650 |
| More Info | State Dam Safety Program |