Cain, Brian W.Jensen, Richard W. Russell W. Kiesling, and Frank S. ShipleyProceedings: The Second State of the Bay Symposium. February 4 - 6, 19932010-02-152010-02-151993http://hdl.handle.net/1969.3/24118pgs. 103-108The Upper Texas Coast is defined in this report as the coastal bays, estuaries, and their tidally influenced tributaries from Freeport in Brazoria County northeastward to Port Arthur in Jefferson County. This section of the Texas coast has four major centers for petroleum and petrochemical manufacturing: Freeport, Texas City, Houston Ship Channel, and Port Arthur. Adjacent to these industrial areas are large municipal areas that house more than three million people. These urban areas contribute municipal waste (Gloyna and Molina, 1964), pesticides (Dick, 1982), and contaminated urban runoff (Newell et al., 1991) to the creeks, bayous, and rivers that drain into these coastal waters.toxicantswastewater dischargeChapter