Turner Dam is an earth dam located in Sioux County, Nebraska, built in 1940. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 25 ft25 ft tall and 566 ft long, taller than 50% 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 Turner Dam
The primary purpose of Turner Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Schnurr Ranch II LLC (private). It impounds the South Antelope Creek near Ardmore Sd.
The dam stands 25 feet tall and stretches 566 feet across, creates a reservoir covering 27 acres, has a maximum storage capacity of 428 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1940, 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 04/04/2022.
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Location
| State | Nebraska |
| County | Sioux |
| Nearest City | Ardmore Sd |
| River/Stream | South Antelope Creek |
| Coordinates | 42.88539, -104.01009 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 566 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 428 acre-ft |
| Max Storage | 428 acre-ft |
| Normal Storage | 272 acre-ft |
| Surface Area | 27 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,400 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Schnurr Ranch II LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 04/04/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01083 |
| Federal ID | NE01083 |
| More Info | State Dam Safety Program |