Colchuck Lake Saddle Dam
Colchuck Lake Saddle Dam is a rockfill dam located in Chelan County, Washington, built in 1930. It carries a Low hazard potential classification.
About Colchuck Lake Saddle Dam
The primary purpose of Colchuck Lake Saddle Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Icicle & Peshastin Irrigation District (public utility). It impounds the Colchuck Creek near Leavenworth.
The dam stands 9 feet tall and stretches 130 feet across, creates a reservoir covering 78 acres, has a maximum storage capacity of 1,570 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1930, the structure is well-established, with more than 75 years of service.
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 08/13/2018.
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Location
| State | Washington |
| County | Chelan |
| Nearest City | Leavenworth |
| River/Stream | Colchuck Creek |
| Coordinates | 47.49476, -120.83613 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 9 ft |
| Dam Length | 130 ft |
| Year Completed | 1930 (96 years old) |
Storage & Hydraulics
| NID Storage | 1,570 acre-ft |
| Max Storage | 1,570 acre-ft |
| Normal Storage | 1,240 acre-ft |
| Surface Area | 78 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Icicle & Peshastin Irrigation District |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Last Inspection | 08/13/2018 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WA00226 |
| Federal ID | WA00226 |
| More Info | State Dam Safety Program |