Henderson Irrigation Dam
Henderson Irrigation Dam is an earth dam located in Boyd County, Nebraska, built in 2007. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Henderson Irrigation Dam
The primary purpose of Henderson 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 James & Lynn Henderson (private). It impounds the Tr-ponca Creek near Monowi.
The dam stands 41 feet tall and stretches 530 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 121 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 2007, the structure is relatively new.
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 05/10/2023.
At 41 feet, this dam is taller than 88% of dams nationwide.
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Location
| State | Nebraska |
| County | Boyd |
| Nearest City | Monowi |
| River/Stream | Tr-ponca Creek |
| Coordinates | 42.82349, -98.34142 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 41 ft |
| Dam Height | 38 ft |
| Dam Length | 530 ft |
| Year Completed | 2007 (19 years old) |
Storage & Hydraulics
| NID Storage | 121 acre-ft |
| Max Storage | 121 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 465 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | James & Lynn Henderson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/10/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE02843 |
| Federal ID | NE02843 |
| More Info | State Dam Safety Program |