Dewey Loeffel Landfill In March 2011, the U.S. Environmental
Protection Agency added the Dewey Loeffel Landfill site to the
Superfund National Priorities List. The site is composed of an
inactive hazardous waste disposal area and the releases from it
into nearby surface water bodies, including the Valatie Kill and
Nassau Lake, and an underlying groundwater aquifer. In the 1950s
and 1960s, the Dewey Loeffel Landfill site property was used as
a disposal facility for industrial hazardous wastes, including
solvents, waste oils, polychlorinated biphenyls (PCBs), scrap
materials, sludges, and solids. Some hazardous substances,
including volatile organic compounds and PCBs, have migrated
from the facility to underlying aquifers and downstream surface
water bodies, resulting in contamination of ground water,
surface water, sediments, and several species of fish. There is
currently a New York State Department of Health fish consumption
advisory for the Valatie Kill, Nassau Lake and Kinderhook Lake.
Over many years, th