Heishman Dam
Low HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| State | Iowa |
| County | Poweshiek |
| Nearest City | Marengo |
| River/Stream | Tributary to Walnut Creek |
| Coordinates | 41.79690, -92.54930 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 340 ft |
| Year Completed | 2017 (9 years old) |
Storage & Hydraulics
| NID Storage | 112 acre-ft |
| Max Storage | 112 acre-ft |
| Normal Storage | 64 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Ed Heishman |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |