High Woodlands Stormwater Detention Dam is an earth dam located in King County, Washington, built in 1991. It carries a Low hazard potential classification.
Dam profile
NID height · 27 ft27 ft tall and 95 ft long, taller than 59% of U.S. dams with a recorded height. 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 High Woodlands Stormwater Detention Dam
The primary purpose of High Woodlands Stormwater Detention Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Kirkland City (local government). It impounds the Juanita Creek.
The dam stands 27 feet tall and stretches 95 feet across, has a maximum storage capacity of 29 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1991, the structure is 35 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 | King |
| River/Stream | Juanita Creek |
| Coordinates | 47.73059, -122.19430 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Length | 95 ft |
| Year Completed | 1991 (35 years old) |
Storage & Hydraulics
| NID Storage | 29 acre-ft |
| Max Storage | 29 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 50 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Kirkland City |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA00613 |
| Federal ID | WA00613 |
| More Info | State Dam Safety Program |