Retzlaff Dam
Retzlaff Dam is an earth dam located in Otoe County, Nebraska, built in 1980. It carries a Low hazard potential classification and has a poor condition assessment.
About Retzlaff Dam
The primary purpose of Retzlaff Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Gregory M Retzlaff (private). It impounds the Tr-little Nemaha River near Douglas.
The dam stands 25 feet tall and stretches 480 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 51 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1980, the structure is 46 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 05/24/2023.
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Location
| State | Nebraska |
| County | Otoe |
| Nearest City | Douglas |
| River/Stream | Tr-little Nemaha River |
| Coordinates | 40.57845, -96.45160 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 480 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 51 acre-ft |
| Max Storage | 51 acre-ft |
| Normal Storage | 10 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Gregory M Retzlaff |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 05/24/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE04843 |
| Federal ID | NE04843 |
| More Info | State Dam Safety Program |