Mader Dam 2
Mader Dam 2 is an earth dam located in Sioux County, Nebraska, built in 1957. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Mader Dam 2
The primary purpose of Mader Dam 2 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Philip & Shelley Sweetman Revocable Trusts (private). It impounds the Tr-indian Creek near Ardmore Sd.
The dam stands 22 feet tall and stretches 1,192 feet across, creates a reservoir covering 18 acres, has a maximum storage capacity of 405 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1957, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 08/26/2019.
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Location
| State | Nebraska |
| County | Sioux |
| Nearest City | Ardmore Sd |
| River/Stream | Tr-indian Creek |
| Coordinates | 42.98622, -103.80505 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 20 ft |
| Dam Length | 1,192 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 405 acre-ft |
| Max Storage | 405 acre-ft |
| Normal Storage | 280 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,700 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Philip & Shelley Sweetman Revocable Trusts |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/26/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01107 |
| Federal ID | NE01107 |
| More Info | State Dam Safety Program |