Little Stone Lake
Little Stone Lake is an earth dam located in St. Louis County, Minnesota. It carries a Significant hazard potential classification and has a fair condition assessment.
About Little Stone Lake
The primary purpose of Little Stone Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by County Of St. Louis (local government). It impounds the Pine Creek-tr near Island Lake.
The dam stands 20 feet tall and stretches 2,800 feet across, creates a reservoir covering 180 acres, has a maximum storage capacity of 3,000 acre-feet, and collects water from a drainage area of 2 square miles.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 09/15/2022.
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Location
| State | Minnesota |
| County | St. Louis |
| Nearest City | Island Lake |
| River/Stream | Pine Creek-tr |
| Coordinates | 47.23207, -91.82955 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 16 ft |
| Dam Length | 2,800 ft |
Storage & Hydraulics
| NID Storage | 3,000 acre-ft |
| Max Storage | 3,000 acre-ft |
| Normal Storage | 1,610 acre-ft |
| Surface Area | 180 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 35 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | County of St. Louis |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 09/15/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00373 |
| Federal ID | MN00373 |
| More Info | State Dam Safety Program |