Black Dog Lake
Black Dog Lake is a gravity dam located in Dakota County, Minnesota, built in 1953. It carries a Low hazard potential classification.
About Black Dog Lake
The primary purpose of Black Dog Lake is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Xcel Energy (public utility). It impounds the Minnesota River-tr near Burnsville.
The dam stands 25 feet tall and stretches 120 feet across, creates a reservoir covering 530 acres, has a maximum storage capacity of 3,550 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1953, 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. The most recent inspection on record was 08/29/2022.
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Location
| State | Minnesota |
| County | Dakota |
| Nearest City | Burnsville |
| River/Stream | Minnesota River-tr |
| Coordinates | 44.82491, -93.23334 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 25 ft |
| Dam Height | 20 ft |
| Dam Length | 120 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 3,550 acre-ft |
| Max Storage | 3,550 acre-ft |
| Normal Storage | 1,618 acre-ft |
| Surface Area | 530 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 6,250 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Xcel Energy |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Last Inspection | 08/29/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00349 |
| Federal ID | MN00349 |
| More Info | State Dam Safety Program |