Question: What body of water is located near the headquarters of the company Dohop?
Sentence (from "Hackensack Water Company Complex"): Under Robert W. de Forest, who ran the Hackensack Water Company for 46 years beginning in 1881, the company constructed new facilities and moved its headquarters to Weehawken in Hudson County, setting up offices in a brick water tower, part of the present complex.
Relevant evidence: No