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Reference Site Location
The New London Disposal Site (NLDS) is an active
open water dredged material disposal site located 3.1 nmi (5.4
km) south of Eastern Point in Groton, CT. Centered at 41°16.306'
N, 72°04.571' W (NAD 83), the 1 nmi2 (3.4 km2)
NLDS has water depths which range from 46 ft (14 m) over the
NL-RELIC Mound to 79 ft (24 m) at the southern disposal site
boundary. Since 1981, approximately 2,811,000 yd3
of dredged material have been placed at the site. Currently,
this site is utilized for the unconfined disposal of suitable
sediments, as well as subaqueous capping of sediments deemed
unsuitable for open water disposal. In recent years, dredged
material has been placed in depressions between historic disposal
mounds to minimize lateral spread. Two important management
boundaries bisect the NLDS: a 300 m submarine transit corridor
and the New York-Connecticut state boundary. The submarine corridor
was established to minimize conflict between disposal buoy positions
and submarine traffic to and from the U.S. Navy Base in Groton,
CT. The state boundary affects state regulatory authority under
the Coastal Zone Management Act (CZMA) and the issuance of state
water quality certification for disposal permits.
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Annual Disposal Volumes
Bathymetry
Sediment
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Relevant DAMOS Reports:
No. 152:
Monitoring Survey
at the New London Disposal Site, June 2001 (full
report available) Appendices
No. 149:
Post-Storm
Monitoring Survey at the New London Disposal Site Seawolf Mound,
October 2002 (full report available)
No. 133:
Monitoring Cruise at the New London Disposal Site, August 2000
(full report available)
No. 132: Monitoring Cruise at the New London Disposal Site,
Volume II, Seawolf Mound, 1995-1998 (full report available)
No. 130: Observations of Physical Oceanographic Conditions at
the New London Disposal Site, 1997-1998 (full report available)
No. 128: Monitoring Cruise at the New London Disposal Site,
Volume 1, 1992-1998 (full
report available)
No. 96: Monitoring Cruise at the New London Disposal Site, June
1991
No. 93: Monitoring Cruise at the New London Disposal Site, June
- July 1990
No. 77: Monitoring Cruise at the New London Disposal Site, August
1988
No. 71: Capping Survey at the New London Disposal Site, February
3, 1989
No. 67: Monitoring Cruise at the New London Disposal Site, July
1987
No. 60: Monitoring Surveys at the New London Disposal Site,
August 1985 - July 1986
No. 46: Disposal Area Monitoring System (DAMOS) Annual Report,
Summary of Program Results, 1981-1984
No. 21: DAMOS Mussel Watch Program, New London Disposal Site
Monitoring Projects, 1977-1979
No. 9: Chronological Records of In Situ Physical and Biological
Conditions Obtained by Diver Survey at CLIS and New London Disposal
Sites DAMOS Annual Data Report, 1978
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