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.
King River (Great Southern, Western Australia) The land along the river is estimated as being 83% cleared yet the water quality is generally healthy fresh water. The salinity level of the King River at discharge is 800 mg/L. The main tributary of the King River is Mill Brook which joins the King about north-west of the Upper King Bridge. King River (Great Southern, Western Australia) The King River is a river in the Great Southern region of Western Australia. The river rises east of the town of Redmond and then flows for approximately and along with the Kalgan River drains into Oyster Harbour and finally King