Highway 75 Dam is an earth dam located in Lac qui Parle County, Minnesota, built in 1974. It carries a Low hazard potential classification.
Dam profile
NID height · 32 ft32 ft tall and 16,160 ft long, taller than 74% 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 Highway 75 Dam
The primary purpose of Highway 75 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 USACE - St. Paul District (federal). It impounds the Minnesota River near Correll.
The dam stands 32 feet tall and stretches 16,160 feet across, creates a reservoir covering 2,800 acres, has a maximum storage capacity of 91,000 acre-feet, and collects water from a drainage area of 1,700 square miles. Completed in 1974, the structure is well into its service life at over 50 years old.
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. An emergency action plan is in place for this dam. The most recent inspection on record was 08/21/2019.
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Location
| State | Minnesota |
| County | Lac qui Parle |
| Nearest City | Correll |
| River/Stream | Minnesota River |
| Coordinates | 45.23422, -96.28830 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 10 ft |
| Dam Length | 16,160 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 91,000 acre-ft |
| Max Storage | 91,000 acre-ft |
| Normal Storage | 11,700 acre-ft |
| Surface Area | 2,800 acres |
| Drainage Area | 1,700 sq mi |
| Max Discharge | 32,300 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | USACE - St. Paul District |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/21/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MN00581 |
| Federal ID | MN00581 |
| More Info | State Dam Safety Program |