Abstract:
Lake Superior boasts the title of largest freshwater lake by surface in the world, and as a city of its coast, Duluth holds a responsibility to maintain the health of its intricate ecosystem by keeping the water clean.
Between 1999 and 2004, the city of Duluth and the Western Lake Superior Sanitary District (WLSSD) experienced at least 250 sewer overflows, which resulted in the dumping of at least 47 million gallons of untreated sewage into the St....