WUWM is diving into the topic of clean water, or the lack thereof, in southeastern Wisconsin for our Project Milwaukee Series: Great Lakes, Troubled Waters . Tuesday’s live Lake Effect examines some of the main threats to our waterways. Here's an overview of those threats, in no particular order, along with links to some of our in-depth reporting for the Project Milwaukee series. Plus, you'll find some examples of what's being done to address them. » Overall Health Of Our Water » Solutions To Our Water Challenges Runoff To Val Klump, dean and professor at UW-Milwaukee's School of Freshwater Sciences, runoff is the greatest threat and one of the biggest challenges to clean water in the Great Lakes region - especially in suburban and rural areas. One example is Ulao Creek, as WUWM's Marti Mikkelson reports . It's a tributary of the Milwaukee River in Ozaukee County. Like many other riverways in Wisconsin, a lack of vegetation creates the opportunity for large amounts of sediments to