Kennebec Grazing Assoc. Dam is an earth dam located in Lyman County, South Dakota. It carries a Low hazard potential classification.
Dam profile
NID height · 21 ft21 ft tall and 780 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Kennebec Grazing Assoc. Dam
The primary purpose of Kennebec Grazing Assoc. 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 Kennebec Grazing Assoc. (private). It impounds the Tr. Medicine Creek.
The dam stands 21 feet tall and stretches 780 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 228 acre-feet, and collects water from a drainage area of 3 square miles.
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 | Lyman |
| River/Stream | Tr. Medicine Creek |
| Coordinates | 44.01629, -99.83481 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 780 ft |
Storage & Hydraulics
| NID Storage | 228 acre-ft |
| Max Storage | 228 acre-ft |
| Normal Storage | 86 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 1,350 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Kennebec Grazing Assoc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02601 |
| Federal ID | SD02601 |
| More Info | State Dam Safety Program |