Waterville Sewage Treatment Pond is a gravity dam located in Douglas County, Washington, built in 1954. It carries a Low hazard potential classification.
Dam profile
NID height · 8 ft8 ft tall and 1,600 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
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 |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA00310 |
| Federal ID | WA00310 |
| More Info | State Dam Safety Program |