The numbers simply are not in the DNR's favor. The zebra mussels have now infested more than 60 lakes across the state, MPR says. In recent days, the presence of zebra mussels was detected in two more lakes: Lake Minnewaska and Lake Emily, south of Alexandria, the West Central Tribune reports.
The state has about 3,000 public access points to lakes and rivers, but the Minnesota DNR has only 118 inspectors charged with keeping invasive species out of the lakes and rivers, MPR says. Here's a look at aquatic invasive species and the environmental impact they have on Minnesota waterways (DNR video):