Board of Water Supply. Silver Lake Reservoir. In 1913 New York City put out a bid for the construction of a 56-acre reservoir that would encompass the old Silver Lake and be the terminus for the Catskill water supply in Staten Island. Panoramic view of future site of reservoir: West dike site, Silver Lake, and south end of south basin. View taken from south dike site. Excavation of top-soil shown, using plow and wheel scrapers. November 5, 1913.