204th Street Stormwater Detention Basin
Washington — King County — Patterson Creek - Of
Location
| State | Washington |
| County | King |
| River | Patterson Creek - Of |
| Coordinates | 47.41972, -122.30375 |
Physical Characteristics
| NID Height | 9 ft |
| Dam Height | — |
| Dam Length | 1,100 ft |
| NID Storage | 17 acre-ft |
| Max Storage | 17 acre-ft |
| Surface Area | 3 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Fair |
| EAP Status | Yes |
| Last Inspection | June 17, 2019 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 2001 |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | SeaTac Public Works |
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.