Krog Stockwater Dam is an earth dam located in Buffalo County, South Dakota, built in 1950. It carries a Significant hazard potential classification.
Dam profile
NID height · 29 ft29 ft tall and 515 ft long, taller than 65% of U.S. dams with a recorded height. 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 Krog Stockwater Dam
The primary purpose of Krog Stockwater 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 Fulton Bros (private). It impounds the Elm Creek-tr.
The dam stands 29 feet tall and stretches 515 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 55 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1950, the structure is well-established, with more than 75 years of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 10/11/1979. That was over 47 years ago.
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Location
| State | South Dakota |
| County | Buffalo |
| Nearest City | None |
| River/Stream | Elm Creek-tr |
| Coordinates | 44.08535, -99.12286 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 24 ft |
| Dam Length | 515 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 55 acre-ft |
| Max Storage | 55 acre-ft |
| Normal Storage | 42 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 488 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Fulton Bros |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 10/11/1979 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01364 |
| Federal ID | SD01364 |
| More Info | State Dam Safety Program |