for the chips, which power the PlayStation 3 video game console, primarily copper, lead and nitrates. In 2004 the company settled a suit brought by local residents who argued that a contractor's dumping of perchloroethylene had led to an increase in cancer and other diseases. Researchers have so far been unable to determine if some phenomena reported downstream, such as increased lead levels in crustaceans, are the result of the IBM discharges. In 2005 the Fishkill Creek Watershed Committee, in partnership with the Dutchess County Environmental Management Council, inventoried the natural resources of the stream and watershed to produce a management plan. It focused on protecting groundwater, which many residents surveyed had expressed the greatest level of concern about. Recommendations made were to expand and maintain riparian buffer along the stream while protecting it against encroaching land use, and to find a way to balance groundwater withdrawals and discharges. It also called for research into alternatives to the use of impervious surfaces, such as asphalt, which increased runoff at the expense of groundwater. Lists Bridges Communities City of Beacon Town of Fishkill Glenham Village of Fishkill Brinckerhoff Town of East Fishkill Hopewell Junction Stormville Town of Beekman Poughquag Town of Union Vale Dams Tioronda Dam Wolcott Avenue Dam New York Rubber Company Dam Braendly Fishkill Dam Glenham Dam Texaco Dam Sydeman Dam Greenburg Henderson Dam McKinney Dam Furnace Pond Dam Pray Pond Dam There are also two unnamed dams in the town of Beekman. Tributaries Left Dry Brook Clove Creek Wiccopee Creek Whaley Stream Right Sprout Creek Whortlekill Creek See also List of rivers of New York References External links Fishkill Creek Watershed Committee Rivers of New York (state) Tributaries of the Hudson River Rivers of Dutchess County, New York Rivers of Putnam County, New York