Ammann Dam
Low HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Roberts |
| River/Stream | Nork Fork Whetstone River-TR |
| Coordinates | 45.40165, -97.00447 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 233 ft |
| Year Completed | 2008 (18 years old) |
Storage & Hydraulics
| NID Storage | 30 acre-ft |
| Max Storage | 30 acre-ft |
| Normal Storage | 18 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 158 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Tyler Ammann |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |