Schallow Lake Dam
Schallow Lake Dam is an earth dam located in Okanogan County, Washington, built in 1954. It carries a Low hazard potential classification.
About Schallow Lake Dam
The primary purpose of Schallow Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Wa Dfw (state). It impounds the Coulee Creek.
The dam stands 13 feet tall, creates a reservoir covering 10 acres, has a maximum storage capacity of 76 acre-feet, and collects water from a drainage area of 13 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. The most recent inspection on record was 06/05/1998. That was over 27 years ago.
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Location
| State | Washington |
| County | Okanogan |
| River/Stream | Coulee Creek |
| Coordinates | 48.59932, -119.67700 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 76 acre-ft |
| Max Storage | 76 acre-ft |
| Normal Storage | 46 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 13 sq mi |
| Max Discharge | 142 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | WA DFW |
| Owner Type | State |
| Hazard Classification | Low |
| Last Inspection | 06/05/1998 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA00052 |
| Federal ID | WA00052 |
| More Info | State Dam Safety Program |