Chambers Graf Dam
Chambers Graf Dam is an earth dam located in Gosper County, Nebraska, built in 1959. It carries a Low hazard potential classification and has a poor condition assessment.
About Chambers Graf Dam
Chambers Graf Dam is a dam in Gosper, Nebraska. The dam is owned by Gosper County (local government). It impounds the Tr-elk Creek near Arapahoe.
The dam stands 26 feet tall and stretches 250 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 180 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1959, 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 04/24/2019.
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Location
| State | Nebraska |
| County | Gosper |
| Nearest City | Arapahoe |
| River/Stream | Tr-elk Creek |
| Coordinates | 40.38011, -99.90587 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 250 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 180 acre-ft |
| Max Storage | 180 acre-ft |
| Normal Storage | 1 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 8 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Gosper County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 04/24/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01334 |
| Federal ID | NE01334 |
| More Info | State Dam Safety Program |