Bellevue Detention Pond 197
Bellevue Detention Pond 197 is an earth dam located in King County, Washington, built in 1983. It carries a Low hazard potential classification.
About Bellevue Detention Pond 197
The primary purpose of Bellevue Detention Pond 197 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 Bellevue City Utilities Dept (local government). It impounds the Valley Creek near Bellevue.
The dam stands 12 feet tall and stretches 250 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1983, the structure is 43 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 |
| Nearest City | Bellevue |
| River/Stream | Valley Creek |
| Coordinates | 47.63173, -122.15226 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Length | 250 ft |
| Year Completed | 1983 (43 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 41 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 3 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Bellevue City Utilities Dept |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA00478 |
| Federal ID | WA00478 |
| More Info | State Dam Safety Program |