Dagger Lake Dam is a timber crib dam located in Snohomish County, Washington, built in 1912. It carries a Low hazard potential classification.
Dam profile
NID height · 10 ft10 ft tall and 50 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 Dagger Lake Dam
The primary purpose of Dagger Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Dhb Enterprises (private). It impounds the Tr-mccoy Creek near Monroe.
The dam stands 10 feet tall and stretches 50 feet across, creates a reservoir covering 32 acres, has a maximum storage capacity of 400 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1912, the structure is over a century 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 | Washington |
| County | Snohomish |
| Nearest City | Monroe |
| River/Stream | Tr-mccoy Creek |
| Coordinates | 47.81517, -121.79053 |
Physical Characteristics
| Dam Type | Timber Crib |
| NID Height | 10 ft |
| Dam Length | 50 ft |
| Year Completed | 1912 (114 years old) |
Storage & Hydraulics
| NID Storage | 400 acre-ft |
| Max Storage | 400 acre-ft |
| Normal Storage | 400 acre-ft |
| Surface Area | 32 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Dhb Enterprises |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA00198 |
| Federal ID | WA00198 |
| More Info | State Dam Safety Program |