Ravenna S Lake Dam is an earth dam located in Buffalo County, Nebraska, built in 1939. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 10 ft10 ft tall and 328 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 Ravenna S Lake Dam
The primary purpose of Ravenna S Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Buffalo County (local government). It impounds the Tr-south Loup River near Ravenna.
The dam stands 10 feet tall and stretches 328 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 120 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1939, 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 04/05/2016. That was over 10 years ago.
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Location
| State | Nebraska |
| County | Buffalo |
| Nearest City | Ravenna |
| River/Stream | Tr-south Loup River |
| Coordinates | 41.02486, -98.89476 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 328 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 120 acre-ft |
| Max Storage | 120 acre-ft |
| Normal Storage | 48 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 2,000 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Buffalo County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 04/05/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00284 |
| Federal ID | NE00284 |
| More Info | State Dam Safety Program |