Klahanie Stormwater Detention Dam No 1
Washington — King County — Tr-Laughing Jacobs Lake Outlet
Location
| State | Washington |
| County | King |
| River | Tr-Laughing Jacobs Lake Outlet |
| Coordinates | 47.56718, -122.02463 |
Physical Characteristics
| NID Height | 9 ft |
| Dam Height | — |
| Dam Length | 400 ft |
| NID Storage | 16 acre-ft |
| Max Storage | 16 acre-ft |
| Surface Area | 7 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Fair |
| EAP Status | Yes |
| Last Inspection | August 26, 2020 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1984 |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | Sammamish City Public Works |
| Other Name | Hestnes Property Detention Facility No. 1 |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.