Speas Dam
Speas Dam is an earth dam located in Sioux County, Nebraska, built in 1952. It carries a Low hazard potential classification and has a poor condition assessment.
About Speas Dam
The primary purpose of Speas 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 Lonnie D & Verona J Douthit (private). It impounds the Tr-little Cottonwood Creek near Whitney.
The dam stands 40 feet tall and stretches 255 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 22 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1952, 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 04/06/2022.
At 40 feet, this dam is taller than 87% of dams nationwide.
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Location
| State | Nebraska |
| County | Sioux |
| Nearest City | Whitney |
| River/Stream | Tr-little Cottonwood Creek |
| Coordinates | 42.76079, -103.57084 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 37 ft |
| Dam Length | 255 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 22 acre-ft |
| Max Storage | 22 acre-ft |
| Normal Storage | 14 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 250 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Lonnie D & Verona J Douthit |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 04/06/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01114 |
| Federal ID | NE01114 |
| More Info | State Dam Safety Program |