Cottonmill Lake Sediment Disposal Dam
Cottonmill Lake Sediment Disposal Dam is an earth dam located in Buffalo County, Nebraska, built in 1997. It carries a Low hazard potential classification and has a poor condition assessment.
About Cottonmill Lake Sediment Disposal Dam
Cottonmill Lake Sediment Disposal Dam is a dam in Buffalo, Nebraska. The dam is owned by City Of Kearney (local government). It impounds the Tr-platte River.
The dam stands 41 feet tall and stretches 515 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 52 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1997, the structure is 29 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 06/11/2019.
At 41 feet, this dam is taller than 88% of dams nationwide.
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Location
| State | Nebraska |
| County | Buffalo |
| Nearest City | None |
| River/Stream | Tr-platte River |
| Coordinates | 40.70733, -99.14049 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 41 ft |
| Dam Height | 41 ft |
| Dam Length | 515 ft |
| Year Completed | 1997 (29 years old) |
Storage & Hydraulics
| NID Storage | 52 acre-ft |
| Max Storage | 52 acre-ft |
| Normal Storage | 6 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | City of Kearney |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/11/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE03174 |
| Federal ID | NE03174 |
| More Info | State Dam Safety Program |