The Haviland Complex site consists of a planned development comprising 275 acres in the town of Hyde Park, NY. The development contains an apartment complex, a junior high school, an elementary school, a shopping center and a number of private homes. Beginning in October 1981, a local resident filed a complaint with the Dutchess County Health Department noting that his well water was foaming. Other complaints of water quality supply problems prompted a sampling program and sanitary survey of the Haviland area. Results of these tests indicated failure in nearby car wash and laundromat septic and sewage systems. In 1982, the laundromat installed a sand filter and a new tile field to handle the laundry effluent. Due to increasing concern over potential ground water contamination by volatile organic chemicals, the New York State Department of Health (NYDOH) began sampling wells in December 1982. In January 1983, the laundromat was ordered to disconnect the dry cleaning unit from the recently upgraded sewer disposal system and dispose of all spent cleaning fluids offsite with a licensed disposal firm.