Semm Grade Stabilization Dam
Low HazardPoor ConditionEmergency Action Plan: Not Required
Location
| State | Nebraska |
| County | Johnson |
| Nearest City | COOK |
| River/Stream | TR-TURKEY CREEK |
| Coordinates | 40.45768, -96.25854 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 27 ft |
| Dam Length | 639 ft |
| Year Completed | 1994 (32 years old) |
Storage & Hydraulics
| NID Storage | 178 acre-ft |
| Max Storage | 178 acre-ft |
| Normal Storage | 21 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 256 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Loren G & Susan E Johnson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/14/2021 |
| Emergency Action Plan | Not Required |