Round Grove Lake is a gravity dam located in McLeod County, Minnesota, built in 1921. It carries a Low hazard potential classification.
Dam profile
NID height · 10 ft10 ft tall and 15 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Round Grove Lake
Round Grove Lake is a dam in McLeod, Minnesota. The dam is owned by County of Mcleod (local government). It impounds the Judicial Ditch 22 near Arlington.
The dam stands 10 feet tall and stretches 15 feet across, creates a reservoir covering 307 acres, has a maximum storage capacity of 2,552 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1921, the structure is over a century 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 10/30/2024.
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Location
| State | Minnesota |
| County | McLeod |
| Nearest City | Arlington |
| River/Stream | Judicial Ditch 22 |
| Coordinates | 44.70051, -94.49418 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 15 ft |
| Year Completed | 1921 (105 years old) |
Storage & Hydraulics
| NID Storage | 2,552 acre-ft |
| Max Storage | 2,552 acre-ft |
| Normal Storage | 1,595 acre-ft |
| Surface Area | 307 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 19 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | County of Mcleod |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/30/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00157 |
| Federal ID | MN00157 |
| More Info | State Dam Safety Program |