Winlock Waterski Pond Dam is an earth dam located in Lewis County, Washington, built in 1990. It carries a Low hazard potential classification.
Dam profile
NID height · 11 ft11 ft tall and 2,000 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Winlock Waterski Pond Dam
The primary purpose of Winlock Waterski Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Df Miller Inc (private). It impounds the Tr-coon Creek-offstream.
The dam stands 11 feet tall and stretches 2,000 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 80 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1990, the structure is 36 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Washington |
| County | Lewis |
| River/Stream | Tr-coon Creek-offstream |
| Coordinates | 46.45091, -122.89146 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Length | 2,000 ft |
| Year Completed | 1990 (36 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 2 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Df Miller Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA01699 |
| Federal ID | WA01699 |
| More Info | State Dam Safety Program |