The Cornfield Shoals Disposal Site (CSDS) is a historic disposal site located 3.3 nmi (6.1 km) south of Cornfield Point in Old Saybrook, CT. It is a 1 nmi² rectangle centered at 41° 12.6858' N, 72° 21.4914' W (NAD 83). CSDS is the only open water dredged material disposal site to be managed as a dispersive site. At a dispersive site, unlike a containment site, dredged material disposed at the site is expected to be transported out of the area. Approximately 1,337,058 yd3 of predominantly sandy dredged material was placed at the site between 1982 and 2016.The predominant topographic features at the site are a smooth, sandy bottom and bedforms oriented in an east-west direction.