For the last five years the Lake Leelanau Lake Association (LLLA) and the Grand Traverse Band (GTB) of Ottawa and Chippewa Indians have worked to eradicate Eurasian Water Milfoil (EWM) within Lake Leelanau. While not all milfoils are invasive, EWM is.EWM is a grave threat to Lake Leelanau because of its hardiness. Without intervention, EWM forms thick, dense mats underwater that outcompete native…