Shald Irrigation Dam is an earth dam located in Holt County, Nebraska, built in 1980. It carries a Low hazard potential classification.
Dam profile
NID height · 53 ft53 ft tall and 411 ft long, taller than 93% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Shald Irrigation Dam
The primary purpose of Shald Irrigation Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Wayne Herley (private). It impounds the Tr-beaver Creek near Niobrara.
The dam stands 53 feet tall and stretches 411 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 237 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1980, the structure is 46 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 11/07/2019.
At 53 feet, this dam is taller than 93% of dams nationwide.
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Location
| State | Nebraska |
| County | Holt |
| Nearest City | Niobrara |
| River/Stream | Tr-beaver Creek |
| Coordinates | 42.75995, -99.14348 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 53 ft |
| Dam Height | 47 ft |
| Dam Length | 411 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 237 acre-ft |
| Max Storage | 237 acre-ft |
| Normal Storage | 76 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 1,316 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Wayne Herley |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/07/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01247 |
| Federal ID | NE01247 |
| More Info | State Dam Safety Program |