Cook Northwest Dam is an earth dam located in Box Butte County, Nebraska, built in 1953. It carries a Low hazard potential classification.
Dam profile
NID height · 8 ft8 ft tall and 569 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Cook Northwest Dam
The primary purpose of Cook Northwest Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by East Coast Ag Holdings LLC (private). It impounds the Snake Creek near Alliance.
The dam stands 8 feet tall and stretches 569 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 87 acre-feet, and collects water from a drainage area of 213 square miles. Completed in 1953, 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 04/21/2022.
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Location
| State | Nebraska |
| County | Box Butte |
| Nearest City | Alliance |
| River/Stream | Snake Creek |
| Coordinates | 42.12987, -103.36771 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 569 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 87 acre-ft |
| Max Storage | 87 acre-ft |
| Normal Storage | 1 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 213 sq mi |
| Max Discharge | 553 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | East Coast Ag Holdings LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/21/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01241 |
| Federal ID | NE01241 |
| More Info | State Dam Safety Program |