West Midway Canyon
West Midway Canyon is an earth dam located in Dawson County, Nebraska, built in 1941. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About West Midway Canyon
The primary purpose of West Midway Canyon is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Central Nebraska Public Power & Irrigation District (public utility). It impounds the Supply Canal near Cozad.
The dam stands 38 feet tall and stretches 878 feet across, creates a reservoir covering 116 acres, has a maximum storage capacity of 1,600 acre-feet, and collects water from a drainage area of 9 square miles. Completed in 1941, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 08/25/2022.
At 38 feet, this dam is taller than 85% of dams nationwide.
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Location
| State | Nebraska |
| County | Dawson |
| Nearest City | Cozad |
| River/Stream | Supply Canal |
| Coordinates | 40.79914, -100.07967 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 878 ft |
| Year Completed | 1941 (85 years old) |
Storage & Hydraulics
| NID Storage | 1,600 acre-ft |
| Max Storage | 1,600 acre-ft |
| Normal Storage | 1,411 acre-ft |
| Surface Area | 116 acres |
| Drainage Area | 9 sq mi |
| Max Discharge | 4,000 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Central Nebraska Public Power & Irrigation District |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/25/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01033 |
| Federal ID | NE01033 |
| More Info | State Dam Safety Program |