Chambers Lake is a concrete dam located in Pierce County, Washington, built in 1967. It carries a Low hazard potential classification.
Dam profile
NID height · 7 ft7 ft tall and 41 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 Chambers Lake
Chambers Lake is a dam in Pierce, Washington. The dam is owned by Joint Base Lewis-mcchord (federal). It impounds the Muck Creek near Roy.
The dam stands 7 feet tall and stretches 41 feet across, creates a reservoir covering 67 acres, and has a maximum storage capacity of 320 acre-feet. Completed in 1967, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 07/06/2017.
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Location
| State | Washington |
| County | Pierce |
| Nearest City | Roy |
| River/Stream | Muck Creek |
| Coordinates | 47.01379, -122.53227 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 41 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 320 acre-ft |
| Max Storage | 320 acre-ft |
| Normal Storage | 320 acre-ft |
| Surface Area | 67 acres |
| Max Discharge | 400 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Joint Base Lewis-mcchord |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/06/2017 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WA00356 |
| Federal ID | WA00356 |
| More Info | State Dam Safety Program |