Caladonia Dam is an earth dam located in Sioux County, Nebraska, built in 1954. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 33 ft33 ft tall and 338 ft long, taller than 76% 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 Caladonia Dam
The primary purpose of Caladonia Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Jordan Ranch LLC (private). It impounds the Jim Creek near Ardmore Sd.
The dam stands 33 feet tall and stretches 338 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 85 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1954, the structure is well into its service life at over 50 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 04/05/2022.
At 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Nebraska |
| County | Sioux |
| Nearest City | Ardmore Sd |
| River/Stream | Jim Creek |
| Coordinates | 42.83426, -103.98325 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 338 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 85 acre-ft |
| Max Storage | 85 acre-ft |
| Normal Storage | 56 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 850 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Jordan Ranch LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 04/05/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01082 |
| Federal ID | NE01082 |
| More Info | State Dam Safety Program |