Williams Lake Sewer Dist 2 Lagoons is an earth dam located in Spokane County, Washington, built in 2007. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 1,230 ft long, taller than 68% of U.S. dams with a recorded height. 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 Williams Lake Sewer Dist 2 Lagoons
Williams Lake Sewer Dist 2 Lagoons is a dam in Spokane, Washington. The dam is owned by Williams Lake Sewer Dist. #2 (public utility). It impounds the Williams Lake - Offstream.
The dam stands 30 feet tall and stretches 1,230 feet across, creates a reservoir covering 10 acres, and has a maximum storage capacity of 59 acre-feet. Completed in 2007, the structure is relatively new.
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 | Spokane |
| River/Stream | Williams Lake - Offstream |
| Coordinates | 47.33049, -117.65762 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Length | 1,230 ft |
| Year Completed | 2007 (19 years old) |
Storage & Hydraulics
| NID Storage | 59 acre-ft |
| Max Storage | 59 acre-ft |
| Normal Storage | 39 acre-ft |
| Surface Area | 10 acres |
Ownership & Safety
| Purpose | Other |
| Owner | Williams Lake Sewer Dist. #2 |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA01881 |
| Federal ID | WA01881 |
| More Info | State Dam Safety Program |