in the mid-1980s.<ref name=ap1207>Associated Press, "Popular eagle-watching spot set to welcome visitors today", The Advocate of Stamford, Connecticut, December 26, 2007, page A13</ref> Access is free, and some telescopes are provided. Utility company employees and volunteers from the Connecticut Audubon Society and other groups are at the observation area to assist visitors. Advanced reservations are required. Eagles are attracted to the spot because the water churning through the dam's hydroelectric turbine keeps the surface from icing over, allowing the birds to fish. Red-tailed hawks, goshawks, great blue herons and other waterfowl are also attracted to the spot. The dam flooded an area now known as Lake Lillinonah. FirstLight Power Resources has submitted a plan to the Connecticut Department of Public Utility Control to build a new peak-power plant next to the existing hydroelectric facility. Parks Kettletown State Park, a state park on the Housatonic River that includes campgrounds located off I-84 Exit 15 Southford Falls State Park, a state park off I-84 Exit 15 and I-84 Exit 16 George Waldo State Park, a state park located on the Housatonic River, off Purchase Brook Road Ballentine Park, a town park with fields, basketball courts and a public pool (town residents only) George Ewald Park, a town park consisting of little league baseball fields Audubon Center at Bent of the River, a nature sanctuary with about of hiking trails, an extensive nature library, and a bird-watching balcony Community House, a park consisting of newly renovated basketball courts, soccer field, football field, baseball field, and multiple tennis courts Businesses IBM Southbury The largest corporate complex in Southbury is that of IBM. IBM located its facilities between Kettletown Road and Bullet Hill Road, up a hill from Main Street on a site. Access to the site is restricted to authorized personnel only. Its original design and construction allowed for of office space, intended for 2,500 people (later increased as around-the-clock operations began). It also had of "raised floor" data center space, originally designed for large-scale water-cooled mainframe operations. It is an "off the grid" facility, with its power plant taking advantage of jet turbine technology to generate power for the entire site. In 2006, this power plant was replaced with a larger one as power demands increased. IBM Southbury was originally designed to be one of IBM's new corporate headquarters buildings, as IBM's "North Castle" facility in Armonk became outdated. It was never used