Lake Calhoun Diversion
Lake Calhoun Diversion is a gravity dam located in Kandiyohi County, Minnesota, built in 1937. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Lake Calhoun Diversion
The primary purpose of Lake Calhoun Diversion is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mndnr-wildlife (state). It impounds the Crow River Middle Fork near Crow River.
The dam stands 12 feet tall and stretches 18 feet across, creates a reservoir covering 617 acres, has a maximum storage capacity of 90 acre-feet, and collects water from a drainage area of 163 square miles. Completed in 1937, 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 04/18/2023.
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Location
| State | Minnesota |
| County | Kandiyohi |
| Nearest City | Crow River |
| River/Stream | Crow River Middle Fork |
| Coordinates | 45.26270, -94.83503 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 12 ft |
| Dam Height | 10 ft |
| Dam Length | 18 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 90 acre-ft |
| Max Storage | 90 acre-ft |
| Normal Storage | 75 acre-ft |
| Surface Area | 617 acres |
| Drainage Area | 163 sq mi |
| Max Discharge | 1,415 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | MNDNR-Wildlife |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/18/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00067 |
| Federal ID | MN00067 |
| More Info | State Dam Safety Program |