Hay Creek Wallace Dam
Hay Creek Wallace Dam is an earth dam located in Sioux County, Nebraska, built in 1950. It carries a Low hazard potential classification and has a poor condition assessment.
About Hay Creek Wallace Dam
The primary purpose of Hay Creek Wallace Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Spearhead Ranch Llc (private). It impounds the Hay Creek near Ardmore Sd.
The dam stands 30 feet tall and stretches 965 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 184 acre-feet, and collects water from a drainage area of 10 square miles. Completed in 1950, the structure is well-established, with more than 75 years of service.
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 06/06/2019.
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Location
| State | Nebraska |
| County | Sioux |
| Nearest City | Ardmore Sd |
| River/Stream | Hay Creek |
| Coordinates | 42.99553, -103.96478 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 26 ft |
| Dam Length | 965 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 184 acre-ft |
| Max Storage | 184 acre-ft |
| Normal Storage | 108 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 10 sq mi |
| Max Discharge | 4,400 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Spearhead Ranch LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/06/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01102 |
| Federal ID | NE01102 |
| More Info | State Dam Safety Program |