Keller Dam 3686 is an earth dam located in Harlan County, Nebraska, built in 1976. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 12 ft12 ft tall and 260 ft long. 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 Keller Dam 3686
The primary purpose of Keller Dam 3686 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Edith Ann Sims (private). It impounds the Mill Creek.
The dam stands 12 feet tall and stretches 260 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 91 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1976, the structure is 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 04/21/2020.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Nebraska |
| County | Harlan |
| Nearest City | None |
| River/Stream | Mill Creek |
| Coordinates | 40.17678, -99.27697 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 260 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 91 acre-ft |
| Max Storage | 91 acre-ft |
| Normal Storage | 27 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 251 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Edith Ann Sims |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 04/21/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE03686 |
| Federal ID | NE03686 |
| More Info | State Dam Safety Program |