Oak Harbor Wastewater Lagoon Nw Cell is an earth dam located in Island County, Washington, built in 1990. It carries a Low hazard potential classification.
Dam profile
NID height · 8 ft8 ft tall and 2,700 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 Oak Harbor Wastewater Lagoon Nw Cell
Oak Harbor Wastewater Lagoon Nw Cell is a dam in Island, Washington. The dam is owned by US Dod - Naval Air Station Whidbey Island (federal). It impounds the Tr-crescent Harbor-offstream.
The dam stands 8 feet tall and stretches 2,700 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 60 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1990, the structure is 36 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 | Island |
| River/Stream | Tr-crescent Harbor-offstream |
| Coordinates | 48.29990, -122.61350 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Length | 2,700 ft |
| Year Completed | 1990 (36 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | US Dod - Naval Air Station Whidbey Island |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA00595 |
| Federal ID | WA00595 |
| More Info | State Dam Safety Program |