Krogman #4
Krogman #4 is an earth dam located in Mellette County, South Dakota, built in 1960. It carries a Low hazard potential classification.
About Krogman #4
The primary purpose of Krogman #4 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 Krogman (private). It impounds the Tr Dry Creek.
The dam stands 29 feet tall and stretches 550 feet across, and has a maximum storage capacity of 185 acre-feet. Completed in 1960, the structure is well into its service life at over 50 years old.
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 | Mellette |
| Nearest City | None |
| River/Stream | Tr Dry Creek |
| Coordinates | 43.53833, -100.79832 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 550 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 185 acre-ft |
| Max Storage | 185 acre-ft |
| Normal Storage | 160 acre-ft |
| Max Discharge | 870 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | KROGMAN |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01419 |
| Federal ID | SD01419 |
| More Info | State Dam Safety Program |