Johnson Dam (washington Co)
Low HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| State | Iowa |
| County | Louisa |
| Nearest City | Wapello |
| River/Stream | Tr- Long Creek |
| Coordinates | 41.27000, -91.48000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 500 ft |
| Year Completed | 2005 (21 years old) |
Storage & Hydraulics
| NID Storage | 159 acre-ft |
| Max Storage | 159 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 34 cfs |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | Jackie Johnson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |