Fawn Lake Dam
Fawn Lake Dam is an earth dam located in Mason County, Washington, built in 1966. It carries a Low hazard potential classification.
About Fawn Lake Dam
The primary purpose of Fawn Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Fawn Lake Maintenance Commission (private). It impounds the Tr-puget Sound.
The dam stands 36 feet tall and stretches 240 feet across, creates a reservoir covering 56 acres, has a maximum storage capacity of 640 acre-feet, and collects water from a drainage area of 0 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.
At 36 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Washington |
| County | Mason |
| River/Stream | Tr-puget Sound |
| Coordinates | 47.16130, -123.06309 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Length | 240 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 640 acre-ft |
| Max Storage | 640 acre-ft |
| Normal Storage | 580 acre-ft |
| Surface Area | 56 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 80 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Fawn Lake Maintenance Commission |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA00091 |
| Federal ID | WA00091 |
| More Info | State Dam Safety Program |