The Brief Persistent drought has led to lower lake levels across north-central Minnesota. The Minnesota DNR urges patience and discourages altering lakes during low water periods. An extended drought is impacting lake levels across north-central Minnesota, and officials say it could take years for some to recover. Lake levels dropping after years of low rainfallWhat we know:According to the Minnesota Department of Natural Resources (DNR), much of north-central Minnesota is now in a "storage drought," with long-term water reserves in lakes, soil and groundwater depleted. But for people who live on or visit lakes, the changing water levels can be frustrating, especially when it disrupts boating or other activities.