Harmful algae blooms, where toxins are released, are a public health threat and severely damage water quality ... in the Boundary Waters date back to the early 1900s. Satellite images and ...

Heavy rainfall is hampering ongoing rescue and recovery efforts for two canoeists who have been missing in the Boundary Waters Canoe ... using sonar and high-resolution cameras.

A popular lake near Minnesota's Boundary ... state waters. "We developed a plan, assembled the equipment and learned, followed and began documenting compliance with EPA and MPCA quality assurance ...