Mc Donald Dam
Mc Donald Dam is an earth dam located in Union County, Iowa, built in 2001. It carries a Low hazard potential classification.
About Mc Donald Dam
The primary purpose of Mc Donald 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 John C Mcdonald (private). It impounds the Tr- Twomile Creek near Thayer.
The dam stands 30 feet tall and stretches 483 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 138 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2001, 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 | Union |
| Nearest City | Thayer |
| River/Stream | Tr- Twomile Creek |
| Coordinates | 41.08670, -94.06000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 483 ft |
| Year Completed | 2001 (25 years old) |
Storage & Hydraulics
| NID Storage | 138 acre-ft |
| Max Storage | 138 acre-ft |
| Normal Storage | 46 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | John C McDonald |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03815 |
| Federal ID | IA03815 |
| More Info | State Dam Safety Program |