Ormesher Dam
Ormesher Dam is an earth dam located in Dawes County, Nebraska, built in 1961. It carries a Low hazard potential classification and has a poor condition assessment.
About Ormesher Dam
The primary purpose of Ormesher Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by R William Isham Iii (private). It impounds the Alkali Creek near Interior, Sd.
The dam stands 18 feet tall and stretches 408 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 127 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1961, 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 05/05/2021.
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Location
| State | Nebraska |
| County | Dawes |
| Nearest City | Interior, Sd |
| River/Stream | Alkali Creek |
| Coordinates | 42.99455, -102.95474 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 408 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 127 acre-ft |
| Max Storage | 127 acre-ft |
| Normal Storage | 36 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 5 sq mi |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | R William Isham III |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 05/05/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00819 |
| Federal ID | NE00819 |
| More Info | State Dam Safety Program |