West Okoboji, Big Spirit on new impaired waters list

Small streams and some of the most popular destinations in the Iowa Great Lakes found their way on Iowa’s 2010 list of impaired waters, according to John Olson, the DNR’s specialist on water quality assessments. That doesn’t mean swimmers should abandon Emerson Bay, where higher-than-acceptable bacteria levels were once measured on West Lake Okoboji. That … Read more

A Threat Hard to Imagine

By Phil Petersen It is hard to imagine a biological threat to the Iowa Great Lakes so damaging that modern science couldn’t fix.  That is the situation we face with Aquatic Invasive Species (AIS).  These invaders can sneak in silently and immediately begin to take over.  They have no native enemies and can grow very rapidly.  … Read more