Microbial Source Tracking At Two MDI Sites Helps Show the E.coli Culprits BAR HARBOR—Microbial contaminants cause about 90 million illnesses every year in the United States, and that’s just in the recreational waters. That equates to around $3 billion in medical costs. And a lot of that contamination? It comes from feces. Feces from humans and/or animals gets in the water maybe via wildlife, maybe … Continue reading How Did That Get In The Water?