by Glen Lake Communications | Sep 16, 2025 | Invasive Species
The Glen Lake/Crystal River Watershed is one of the Midwest’s most treasured natural places. Its iconic clear waters teem with wildlife and inspire summer vacations filled with swimming, boating, and fishing. But this beauty is at risk from Eurasian watermilfoil...
by Communications Committee | Jul 15, 2025 | Education, Invasive Species, News
Did you know Glen Lake was home to three boat wash firsts in Michigan—the first boat wash, the first boat wash ordinance, and the first boat wash with hot water to kill viruses? For three decades, the Glen Lake Association has led the charge to protect our watershed...
by Communications Committee | Jun 26, 2025 | Education, Invasive Species, News
Buoys and flags mark the treatment sites The Glen Lake Association, in collaboration with the Grand Traverse Band of Ottawa and Chippewa Indians, has begun treating three colonies of invasive Eurasian watermilfoil (EWM) discovered last year in the deep basin of Little...
by Communications Committee | Jun 19, 2025 | Education, Invasive Species, News
Parasitic sea lamprey You may notice a fluorescent green or bright pink color in the Crystal River for one day in mid-July. Not to worry—this is simply tracer dye placed by the U.S. Fish & Wildlife Service (USFWS) as part of their ongoing efforts to control the...
by Communications Committee | Feb 20, 2025 | Education, Invasive Species, News
In 2024, the GLA’s use of aerial drone-guided underwater Remote Operating Vehicles (ROVs) revolutionized our surveillance program and allowed aquatic vegetation mapping of the bottomlands of the Glen Lake/Crystal River (GL/CR) Watershed for the first time. While the...
by Communications Committee | Oct 24, 2024 | Invasive Species, News
In early June, a local area resident sighted an invasive parasitic sea lamprey swimming upstream from the Crystal River Dam. The dam is located just northwest of where Fisher Lake flows into the Crystal River. It is used to balance the water flow of the river with the...
