Mac Pond 2
Mac Pond 2 is an earth dam located in Hennepin County, Minnesota, built in 2001. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Mac Pond 2
The primary purpose of Mac Pond 2 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 Metropolitan Airports Commission (local government). It impounds the Minnesota River-tr near St. Paul.
The dam stands 35 feet tall and stretches 200 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 96 acre-feet, and collects water from a drainage area of 2 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 10/26/2023.
At 35 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Minnesota |
| County | Hennepin |
| Nearest City | St. Paul |
| River/Stream | Minnesota River-tr |
| Coordinates | 44.86858, -93.20168 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 200 ft |
| Year Completed | 2001 (25 years old) |
Storage & Hydraulics
| NID Storage | 96 acre-ft |
| Max Storage | 96 acre-ft |
| Normal Storage | 46 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 150 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Metropolitan Airports Commission |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/26/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN01393 |
| Federal ID | MN01393 |
| More Info | State Dam Safety Program |