Tapps Lake Dike No 12, located in Auburn, Washington, serves as a crucial structure for diverting water from the White River for recreational purposes.
Wind
Humidity
Built in 1911, this earth dam stands at a hydraulic height of 14 feet, with a total length of 1250 feet. The dam has a storage capacity of 25,000 acre-feet, with a normal storage level of 23,000 acre-feet, covering a surface area of 2570 acres.
Managed by the Washington Department of Ecology, Tapps Lake Dike No 12 has a high hazard potential but is currently in satisfactory condition based on the most recent assessment in February 2018. The dam undergoes inspections every five years, with the last one conducted in February 2017. While the emergency action plan (EAP) status and risk assessment details are not provided, the structure is regulated by the state and meets enforcement and inspection requirements.
With a rich history dating back over a century, Tapps Lake Dike No 12 stands as a testament to the importance of water resource management for recreational activities in Pierce County, Washington. As climate change impacts water availability and quality, it is crucial to continue monitoring and maintaining structures like Tapps Lake Dike No 12 to ensure the safety and sustainability of our water resources for future generations.
Year Completed |
1911 |
Dam Length |
1250 |
River Or Stream |
Diversion from White River |
Primary Dam Type |
Earth |
Surface Area |
2570 |
Hydraulic Height |
14 |
Drainage Area |
9.6 |
Nid Storage |
25000 |
Structural Height |
14 |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
14 |