Anderson Irrigation Dam is an earth dam located in Boyd County, Nebraska, built in 1982. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 35 ft35 ft tall and 667 ft long, taller than 80% of U.S. dams with a recorded height. 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 Anderson Irrigation Dam
The primary purpose of Anderson 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 David J & Sarah J Anderson (private). It impounds the Tr-whiskey Creek near Monowi.
The dam stands 35 feet tall and stretches 667 feet across, creates a reservoir covering 23 acres, has a maximum storage capacity of 461 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1982, the structure is 44 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 05/14/2019.
At 35 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Nebraska |
| County | Boyd |
| Nearest City | Monowi |
| River/Stream | Tr-whiskey Creek |
| Coordinates | 42.93842, -98.58694 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 30 ft |
| Dam Length | 667 ft |
| Year Completed | 1982 (44 years old) |
Storage & Hydraulics
| NID Storage | 461 acre-ft |
| Max Storage | 461 acre-ft |
| Normal Storage | 179 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 545 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | David J & Sarah J Anderson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/14/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00217 |
| Federal ID | NE00217 |
| More Info | State Dam Safety Program |