Henry Dam 1
Henry Dam 1 is an earth dam located in Sioux County, Nebraska, built in 1979. It carries a Low hazard potential classification and has a poor condition assessment.
About Henry Dam 1
The primary purpose of Henry Dam 1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Jana And Gale & Renee Bell Et Al & Henry (private). It impounds the Tr-indian Creek near Ardmore Sd.
The dam stands 22 feet tall and stretches 933 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 275 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1979, the structure is 47 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 04/23/2019.
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Location
| State | Nebraska |
| County | Sioux |
| Nearest City | Ardmore Sd |
| River/Stream | Tr-indian Creek |
| Coordinates | 42.99124, -103.84599 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 20 ft |
| Dam Length | 933 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 275 acre-ft |
| Max Storage | 275 acre-ft |
| Normal Storage | 164 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 1,090 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Jana and Gale & Renee Bell et al & Henry |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 04/23/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01831 |
| Federal ID | NE01831 |
| More Info | State Dam Safety Program |