Tonderum Dam
Low HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| State | Iowa |
| County | Emmet |
| Nearest City | ARMSTRONG |
| River/Stream | TR- EAST FORK DES MOINES R |
| Coordinates | 43.41270, -94.53420 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 245 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 69 acre-ft |
| Max Storage | 69 acre-ft |
| Normal Storage | 34 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Olvin Tonderum |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |