Critical Areas of our Watershed

Is all the land that drains water into Glen Lake and the Crystal River “created equal?” No. Are there portions of our watershed more critically and ecologically sensitive than others? Yes. Critical areas can be defined as portions of our watershed that have the...

Our Groundwater: Out of Sight but Not Out of Mind

Groundwater is water that has filtered through the ground and lies “perched” on bedrock or clay. Some of it comes from rain and snowmelt, some of it from during and even before the time of glaciers. This water flows, pulled along by gravity. The flow is either fast or...

GLA Investigates PFAS and Their Impact

Some recent Michigan news headlines have featured images of foamy lake and river water attributed to excess levels of PFAS (per-and polyflouroalkyl substances), a class of over 3,500 human engineered chemicals developed since the 1940s. Without knowledge of how they...

Inland Lake Workshop with MSU January 22

Hurry and register for this interesting and educational inland lake workshop before the Tuesday, Jan 8 deadline. “Introduction to Lakes” is offered in a convenient self-paced online format, and is designed for anyone interested in lakes, including...

The Annual Fall Overturn on Big Glen

  It was recently reported that the water in Big Glen appeared more “cloudy and foamy.”  The question is why does the Big Glen look less desirable in the fall than in the summer when the water is more clear?  The answer is the lake has “flipped.” During...