Snohomish Wastewater Treatment Lagoon Sy is an other dam located in Snohomish County, Washington, built in 1995. It carries a Low hazard potential classification.
Dam profile
NID height · 17 ft17 ft tall and 3,040 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 Snohomish Wastewater Treatment Lagoon Sy
Snohomish Wastewater Treatment Lagoon Sy is a dam in Snohomish, Washington. The dam is owned by Snohomish City (local government). It impounds the Tr - Snohomish River.
The dam stands 17 feet tall and stretches 3,040 feet across, creates a reservoir covering 46 acres, has a maximum storage capacity of 86 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1995, the structure is 31 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.
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Location
| State | Washington |
| County | Snohomish |
| River/Stream | Tr - Snohomish River |
| Coordinates | 47.91287, -122.11216 |
Physical Characteristics
| Dam Type | Other |
| NID Height | 17 ft |
| Dam Length | 3,040 ft |
| Year Completed | 1995 (31 years old) |
Storage & Hydraulics
| NID Storage | 86 acre-ft |
| Max Storage | 86 acre-ft |
| Normal Storage | 46 acre-ft |
| Surface Area | 46 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 29 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Snohomish City |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA01746 |
| Federal ID | WA01746 |
| More Info | State Dam Safety Program |