Mchugh Dam
Mchugh Dam is an earth dam located in Monona County, Iowa, built in 2011. It carries a Low hazard potential classification.
About Mchugh Dam
The primary purpose of Mchugh Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Kathy Mchugh (private). It impounds the Trib To Willow Creek near Missouri Valley.
The dam stands 31 feet tall and stretches 520 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 59 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2011, 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Iowa |
| County | Monona |
| Nearest City | Missouri Valley |
| River/Stream | Trib To Willow Creek |
| Coordinates | 41.88280, -95.74030 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 520 ft |
| Year Completed | 2011 (15 years old) |
Storage & Hydraulics
| NID Storage | 59 acre-ft |
| Max Storage | 59 acre-ft |
| Normal Storage | 18 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 5 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Kathy McHugh |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA04180 |
| Federal ID | IA04180 |
| More Info | State Dam Safety Program |