Lake Gilead is a 116-acre (0.47 km2) reservoir[1] located in Carmel Hamlet in Putnam County, New York.[2] Originally known as Dean's Pond,[3] it is 0.8 miles long, has a mean depth of 43 feet (13 m), and a maximum depth of approximately 120 feet (37 m). The lake is located within the lower Hudson River basin in the Croton River watershed.