Olga Lake Dam is an earth dam located in Lake County, Michigan, built in 1937. It carries a Low hazard potential classification.
Dam profile
NID height · 8 ft8 ft tall and 200 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 Olga Lake Dam
The primary purpose of Olga Lake 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 Usda Fs (federal). It impounds the Coe Creek near Bristol,mi.
The dam stands 8 feet tall and stretches 200 feet across, creates a reservoir covering 40 acres, has a maximum storage capacity of 220 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1937, the structure is well-established, with more than 75 years of service.
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 12/31/2019.
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Location
| State | Michigan |
| County | Lake |
| Nearest City | Bristol,mi |
| River/Stream | Coe Creek |
| Coordinates | 44.15747, -85.56886 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 6 ft |
| Dam Length | 200 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 220 acre-ft |
| Max Storage | 220 acre-ft |
| Normal Storage | 145 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 185 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Usda Fs |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/31/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI00190 |
| Federal ID | MI00190 |
| More Info | State Dam Safety Program |