Why is Black Lake so dark?


Why is Black Lake so dark? Several smaller streams, including Stony, Stewart, and Fisher Creeks in the south, Mud Creek in the west and Cain's Creek to the north, also flow into Black Lake. These rivers and streams deliver great quantities of dark tannin-stained waters that give the lake its name.


What is the biggest threat to Lake Michigan?

Climate change is fueling more extreme Lake Michigan Water levels, along with stronger winds and heavier storms. These conditions exacerbate erosion, beach loss, and damage along the shore.


Why is lake water black?

A few tens of meters of water will absorb all light, so without scattering, all bodies of water would appear black. Because most lakes and oceans contain suspended living matter and mineral particles, light from above is scattered and some of it is reflected upwards.


Is it safe to swim in Lake Michigan?

Lake Michigan is generally clean and safe for swimming but it can become contaminated with harmful bacteria.


Has anyone ever swam across Lake Michigan?

Dreyer is the only person who has swum the width of Lake Michigan between Wisconsin and Michigan, having swum from Two Rivers, Wisconsin, to Ludington, Michigan, in 1998. In the 2023 swim, he was attempting to beat his own record by swimming 25 miles further in the route from Milwaukee to Grand Haven.