Mc Donnell Dam
Key Takeaway
Mc Donnell Dam is classified as low hazard in Iowa. It was completed in 2004 and is 22 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 28 ft (taller than 36.9% in IA) |
| Dam Length | 320 ft |
| Dam Type | Earth |
| Max Storage | 20 acre-ft |
| Normal Storage | 13 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 2004 (22 years old) |
| NID ID | IA03776 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Randall McDonnell
Private
Nearby Dams
East Fork Grand River Watershed Site A-122
Ringgold, IA
Low Hazard 26 ftEast Fork Grand River Watershed Site B-40
Ringgold, IA
Low Hazard 31 ftOld Reservoir Dam
Ringgold, IA
Low Hazard 25 ftGreenland Dam
Ringgold, IA
Low Hazard 33 ftEast Fork Grand River Watershed Site A-121
Ringgold, IA
Low Hazard 28 ftMount Ayr Reservoir Dam
Ringgold, IA
Significant Hazard 40 ftEast Fork Grand River Watershed Site B-42
Ringgold, IA
Low Hazard 31 ftCrain Dam
Ringgold, IA
Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Mc Donnell Dam?
Mc Donnell Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Mc Donnell Dam?
Mc Donnell Dam is owned by Randall McDonnell (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mc Donnell Dam built?
Mc Donnell Dam was completed in 2004, making it 22 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Mc Donnell Dam?
Mc Donnell Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mc Donnell Dam?
Mc Donnell Dam has a dam height of 28 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.