Ogemash is an earth dam located in Becker County, Minnesota, built in 1966. It carries a Low hazard potential classification.
Dam profile
NID height · 10 ft10 ft tall and 110 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 Ogemash
The primary purpose of Ogemash 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 USFWS (federal). It impounds the Egg River near Rochert.
The dam stands 10 feet tall and stretches 110 feet across, has a maximum storage capacity of 260 acre-feet, and collects water from a drainage area of 20 square miles. Completed in 1966, 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 | Minnesota |
| County | Becker |
| Nearest City | Rochert |
| River/Stream | Egg River |
| Coordinates | 47.02107, -95.65607 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 8 ft |
| Dam Length | 110 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 260 acre-ft |
| Max Storage | 260 acre-ft |
| Normal Storage | 72 acre-ft |
| Drainage Area | 20 sq mi |
| Max Discharge | 200 cfs |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | USFWS |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00619 |
| Federal ID | MN00619 |
| More Info | State Dam Safety Program |