Otter Lake Diversion Dam
Otter Lake Diversion Dam is a gravity dam located in Baraga County, Michigan, built in 1979. It carries a Low hazard potential classification.
About Otter Lake Diversion Dam
The primary purpose of Otter Lake Diversion Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Houghton Co. Drain Commissioner (local government). It impounds the Sturgeon River.
The dam stands 11 feet tall and stretches 197 feet across, creates a reservoir covering 700 acres, and has a maximum storage capacity of 30,800 acre-feet. Completed in 1979, the structure is 47 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. The most recent inspection on record was 08/08/1989. That was over 36 years ago.
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Location
| State | Michigan |
| County | Baraga |
| Nearest City | None |
| River/Stream | Sturgeon River |
| Coordinates | 46.92306, -88.55167 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 197 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 30,800 acre-ft |
| Max Storage | 30,800 acre-ft |
| Normal Storage | 1,120 acre-ft |
| Surface Area | 700 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Houghton Co. Drain Commissioner |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 08/08/1989 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI02538 |
| Federal ID | MI02538 |
| More Info | State Dam Safety Program |