Harmoney Dam
Harmoney Dam is an earth dam located in Buffalo County, Nebraska, built in 1960. It carries a Low hazard potential classification.
About Harmoney Dam
The primary purpose of Harmoney 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 Calvin & Coleen Harmoney (private). It impounds the Tr-wood River.
The dam stands 16 feet tall and stretches 281 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 62 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1960, 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. The most recent inspection on record was 03/25/2020.
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Location
| State | Nebraska |
| County | Buffalo |
| Nearest City | None |
| River/Stream | Tr-wood River |
| Coordinates | 40.81459, -99.27905 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 281 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 62 acre-ft |
| Max Storage | 62 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Calvin & Coleen Harmoney |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 03/25/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE04625 |
| Federal ID | NE04625 |
| More Info | State Dam Safety Program |