Tapps Lake Dike No 14
Tapps Lake Dike No 14 is an earth dam located in Pierce County, Washington, built in 1911. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Tapps Lake Dike No 14
The primary purpose of Tapps Lake Dike No 14 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Cascade Water Alliance (public utility). It impounds the Diversion Canal Tr-white River near Auburn.
The dam stands 256 feet tall and stretches 1,450 feet across, creates a reservoir covering 400 acres, has a maximum storage capacity of 53,600 acre-feet, and collects water from a drainage area of 15 square miles. Completed in 1911, the structure is over a century 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 05/19/2022.
At 256 feet, this dam is taller than 99% of all dams in the United States.
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Location
| State | Washington |
| County | Pierce |
| Nearest City | Auburn |
| River/Stream | Diversion Canal Tr-white River |
| Coordinates | 47.19649, -122.13289 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 256 ft |
| Dam Length | 1,450 ft |
| Year Completed | 1911 (115 years old) |
Storage & Hydraulics
| NID Storage | 53,600 acre-ft |
| Max Storage | 53,600 acre-ft |
| Normal Storage | 46,700 acre-ft |
| Surface Area | 400 acres |
| Drainage Area | 15 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Cascade Water Alliance |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/19/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WA00430 |
| Federal ID | WA00430 |
| More Info | State Dam Safety Program |