Spectacle Lake Dike
Spectacle Lake Dike is an earth dam located in Okanogan County, Washington, built in 1969. It carries a Low hazard potential classification.
About Spectacle Lake Dike
The primary purpose of Spectacle Lake Dike is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Bureau Of Reclamation (federal). It impounds the Okanogan River - Offstream.
The dam stands 25 feet tall and stretches 1,100 feet across, creates a reservoir covering 399 acres, has a maximum storage capacity of 13,450 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1969, 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 09/08/2020.
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Location
| State | Washington |
| County | Okanogan |
| River/Stream | Okanogan River - Offstream |
| Coordinates | 48.81453, -119.52323 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 1,100 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 13,450 acre-ft |
| Max Storage | 13,450 acre-ft |
| Normal Storage | 13,450 acre-ft |
| Surface Area | 399 acres |
| Drainage Area | 5 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | BUREAU OF RECLAMATION |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 09/08/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WA00272 |
| Federal ID | WA00272 |
| More Info | State Dam Safety Program |