Section 16C. The department of fisheries, wildlife and environmental law enforcement may take by eminent domain under chapter 79 of the General Laws for endangered species habitat and open space protection purposes a portion of the registered and unregistered land in Dennis, Barnstable county, Massachusetts, taken by the Dennis Water District, a body politic, for water well protection purposes described in an Order of Taking dated May 6, 1996 and recorded in the Barnstable county registry of deeds in book 10191 at page 272 and registered as document numbered 665160, which portion to be taken by the department shall be shown on a plan of land to be prepared by said department.