Lewis Dam
Lewis Dam is an earth dam located in Kitsap County, Washington, built in 1973. It carries a Low hazard potential classification.
About Lewis Dam
The primary purpose of Lewis Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mariecross Calsey (private). It impounds the Tr-big Beef Creek.
The dam stands 15 feet tall and stretches 120 feet across, creates a reservoir covering 300 acres, has a maximum storage capacity of 330 acre-feet, and collects water from a drainage area of 14 square miles. Completed in 1973, the structure is well into its service life at over 50 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 | Kitsap |
| River/Stream | Tr-big Beef Creek |
| Coordinates | 47.56803, -122.86290 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Length | 120 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 330 acre-ft |
| Max Storage | 330 acre-ft |
| Normal Storage | 300 acre-ft |
| Surface Area | 300 acres |
| Drainage Area | 14 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | MarieCross Calsey |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA00189 |
| Federal ID | WA00189 |
| More Info | State Dam Safety Program |