Mc Donnell Dam is an earth dam located in Ringgold County, Iowa, built in 2004. It carries a Low hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 320 ft long, taller than 62% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Mc Donnell Dam
The primary purpose of Mc Donnell Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Randall Mcdonnell (private). It impounds the Tr- Middle Fork Grand River near Mt. Ayr.
The dam stands 28 feet tall and stretches 320 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 20 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2004, the structure is relatively new.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
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Location
| State | Iowa |
| County | Ringgold |
| Nearest City | Mt. Ayr |
| River/Stream | Tr- Middle Fork Grand River |
| Coordinates | 40.70560, -94.23080 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 320 ft |
| Year Completed | 2004 (22 years old) |
Storage & Hydraulics
| NID Storage | 20 acre-ft |
| Max Storage | 20 acre-ft |
| Normal Storage | 13 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Randall Mcdonnell |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03776 |
| Federal ID | IA03776 |
| More Info | State Dam Safety Program |