Dam 22-9-4
Dam 22-9-4 is an earth dam located in York County, Nebraska, built in 1984. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Dam 22-9-4
The primary purpose of Dam 22-9-4 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Upper Big Blue Natural Resources District (local government). It impounds the Tr-w Fk Big Blue River near Mccool Junction.
The dam stands 31 feet tall and stretches 385 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 230 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1984, the structure is 42 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 06/28/2021.
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Location
| State | Nebraska |
| County | York |
| Nearest City | Mccool Junction |
| River/Stream | Tr-w Fk Big Blue River |
| Coordinates | 40.73587, -97.75350 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 385 ft |
| Year Completed | 1984 (42 years old) |
Storage & Hydraulics
| NID Storage | 230 acre-ft |
| Max Storage | 230 acre-ft |
| Normal Storage | 44 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 620 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Upper Big Blue Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/28/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE02156 |
| Federal ID | NE02156 |
| More Info | State Dam Safety Program |