Graf Dam
Graf Dam is an earth dam located in Harlan County, Nebraska, built in 1950. It carries a Low hazard potential classification and has a poor condition assessment.
About Graf Dam
Graf Dam is a dam in Harlan, Nebraska. The dam is owned by Jay W & Susan Graf (private). It impounds the Tr-turkey Creek.
The dam stands 11 feet tall and stretches 260 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 52 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1950, the structure is well-established, with more than 75 years of service.
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 10/29/2014. That was over 11 years ago.
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Location
| State | Nebraska |
| County | Harlan |
| Nearest City | None |
| River/Stream | Tr-turkey Creek |
| Coordinates | 40.16992, -99.19081 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 260 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 52 acre-ft |
| Max Storage | 52 acre-ft |
| Normal Storage | 41 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 2 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Jay W & Susan Graf |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 10/29/2014 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE09026 |
| Federal ID | NE09026 |
| More Info | State Dam Safety Program |