Huffman Grimm Dam
Huffman Grimm Dam is an earth dam located in Banner County, Nebraska, built in 1964. It carries a Significant hazard potential classification and has a fair condition assessment.
About Huffman Grimm Dam
The primary purpose of Huffman Grimm Dam 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 Terry P Brown (private). It impounds the Tr-north Platte River near Bridgeport.
The dam stands 28 feet tall and stretches 756 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 140 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1964, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 04/21/2022.
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Location
| State | Nebraska |
| County | Banner |
| Nearest City | Bridgeport |
| River/Stream | Tr-north Platte River |
| Coordinates | 41.67353, -103.43472 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 26 ft |
| Dam Length | 756 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 140 acre-ft |
| Max Storage | 140 acre-ft |
| Normal Storage | 15 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 325 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Terry P Brown |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 04/21/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00585 |
| Federal ID | NE00585 |
| More Info | State Dam Safety Program |