Combe Fill North Landfill
Gold Mine Road
Mount Olive Township, Morris County
PI #: G000004588
BLOCK: 4100 LOT: 10
Community Relations Coordinator: Mark Herzberg (609) 633-1369
SITE DESCRIPTION/RESOLUTION OF ENVIRONMENTAL CONCERNS:
As
of 28 June 2004
Combe Fill North Landfill occupies 65 acres of a 102-acre property. The
site was operated as a sanitary municipal landfill from 1966 to 1978,
accepting municipal and industrial waste and small amounts of dry sewage
sludge. Combe Fill Corporation (CFC) purchased the landfill in 1978. The
following year ground water beneath the site was determined to be contaminated
with volatile organic compounds. The landfill was not properly closed
when operations ceased in 1981 due the bankruptcy of CFC. NJDEP subsequently
cited CFC for several violations, including improper landfill cover that
resulted in windblown debris and inadequate leachate control. USEPA added
Combe Fill North Landfill to the National Priorities List of Superfund
sites (NPL) in 1983. Between 1984 and 1986, NJDEP conducted a Remedial
Investigation and Feasibility Study (RI/FS) to delineate the contamination
in the ground water, surface water and soil at the site and evaluate cleanup
alternatives. The RI/FS revealed that although low levels of contamination
were present in the ground water and surface water, the contamination
did not pose an immediate threat to the surrounding residential wells.
USEPA issued a Record of Decision (ROD) with NJDEP concurrence in 1986
that required installation of a clay cap and closure of the site pursuant
to sanitary landfill regulations, installation of a landfill gas (methane)
venting system, fencing of the perimeter of the site and long-term monitoring
of the ground water. NJDEP completed construction of the remedies specified
in the ROD in 1991. As part of the operation and maintenance (O&M)
of the landfill, NJDEP installed surface water controls on the cap in
2000 to alleviate drainage problems. In 2001, a group of Potentially Responsible
Parties entered into an Administrative Consent Order with NJDEP in which
they agreed to fund O&M activities at the landfill. As of December
2002, the Potentially Responsible Parties had provided NJDEP with $196,000
for ground water monitoring, landfill gas monitoring, cap maintenance
and other O&M activities.
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