Big Muddy River Big Muddy River The Big Muddy River is a river in southern Illinois. It joins the Mississippi River just south of Grand Tower. The Big Muddy has been dammed near Benton, forming Rend Lake. The Big Muddy has a mud bottom for most of its length. The Big Muddy drains a watershed. In 1995, water quality was assessed as "fair" to "good". Pollution sources include agricultural practices, mining and municipalities. The watershed of the Big Muddy was covered by the Illinoian Glacier about 300,000 to 132,000 years before present. The Big Muddy basin formed after the retreat of that glacier.
Muddy River Opera Company Muddy River Opera Company Located in Quincy, Illinois, the Muddy River Opera Company was founded by Mary Anne Scott and Mary Jane McCloskey in 1989 as a non-profit arts organization. The company was incorporated in 1990. Scott and McCloskey had two goals in mind: to make professional operatic performances and educational opportunities available to the tri-state area. In keeping with the mission of its founders, the company consistently produces two to four operas a year. For several years, most MROC productions of foreign-language operas were performed in English translation, though the company has, in recent years, mounted several productions of