Lake Mamie
Lake Mamie is a concrete dam located in Mono County, California, built in 1968. It carries a Significant hazard potential classification.
About Lake Mamie
The primary purpose of Lake Mamie is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Usda Fs (federal). It impounds the Mammoth Creek near Mammoth Lakes.
The dam stands 6 feet tall and stretches 50 feet across. Completed in 1968, the structure is well into its service life at over 50 years old.
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 10/24/2013. That was over 12 years ago.
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Location
| State | California |
| County | Mono |
| Nearest City | Mammoth Lakes |
| River/Stream | Mammoth Creek |
| Coordinates | 37.61085, -119.01041 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 6 ft |
| Dam Height | 6 ft |
| Dam Length | 50 ft |
| Year Completed | 1968 (58 years old) |
Ownership & Safety
| Purpose | Water Supply |
| Owner | USDA FS |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 10/24/2013 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CA10389 |
| Federal ID | CA10389 |
| More Info | State Dam Safety Program |