Waterville Sewage Treatment Pond
Waterville Sewage Treatment Pond is a gravity dam located in Douglas County, Washington, built in 1954. It carries a Low hazard potential classification.
About Waterville Sewage Treatment Pond
Waterville Sewage Treatment Pond is a dam in Douglas, Washington. The dam is owned by Waterville City (local government). It impounds the Tr-douglas Creek-offstream near Douglas.
The dam stands 8 feet tall and stretches 1,600 feet across, creates a reservoir covering 21 acres, has a maximum storage capacity of 60 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1954, 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 | Douglas |
| Nearest City | Douglas |
| River/Stream | Tr-douglas Creek-offstream |
| Coordinates | 47.63115, -120.06221 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 8 ft |
| Dam Length | 1,600 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 8 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Waterville City |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA00310 |
| Federal ID | WA00310 |
| More Info | State Dam Safety Program |