O'brien Mockenhaupt Dam
Low HazardSatisfactory ConditionEmergency Action Plan: Not Required
Location
| State | Nebraska |
| County | Cass |
| Nearest City | LOUISVILLE |
| River/Stream | TR-DECKER CREEK |
| Coordinates | 40.93606, -96.19279 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 30 ft |
| Dam Length | 478 ft |
| Year Completed | 1981 (45 years old) |
Storage & Hydraulics
| NID Storage | 152 acre-ft |
| Max Storage | 152 acre-ft |
| Normal Storage | 72 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 74 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Mark P & Cheryl A OBrien Revocable Trust |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/18/2023 |
| Emergency Action Plan | Not Required |