Middle Lake
Middle Lake is a gravity dam located in Nicollet County, Minnesota, built in 1946. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Middle Lake
Middle Lake is a dam in Nicollet, Minnesota. The dam is owned by County Of Nicollet (local government). It impounds the County Ditch 4a near Nicollet.
The dam stands 7 feet tall and stretches 25 feet across, has a maximum storage capacity of 6,597 acre-feet, and collects water from a drainage area of 14 square miles. Completed in 1946, the structure is well-established, with more than 75 years of service.
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 06/15/2016.
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Location
| State | Minnesota |
| County | Nicollet |
| Nearest City | Nicollet |
| River/Stream | County Ditch 4a |
| Coordinates | 44.28679, -94.17588 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 7 ft |
| Dam Height | 6 ft |
| Dam Length | 25 ft |
| Year Completed | 1946 (80 years old) |
Storage & Hydraulics
| NID Storage | 6,597 acre-ft |
| Max Storage | 6,597 acre-ft |
| Normal Storage | 2,199 acre-ft |
| Drainage Area | 14 sq mi |
| Max Discharge | 300 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | County of Nicollet |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/15/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00160 |
| Federal ID | MN00160 |
| More Info | State Dam Safety Program |