New Croton Dam finished. With its completion, the Old Croton Dam becomes submerged underneath Croton Reservoir. 1908 - Construction begins on Kensico Dam and Hill View Balancing Reservoir. Both projects still play integral role in the water system today. 1915 - Water from the Ashokan reservoir enters the Kensico reservoir.
Project finishes four years ahead of schedule.
1925 - Central Park Reservoir abandoned and maintained as an emergency supply in case of droughts. 1929 - Delaware Water System proposal approved but held up as New Jersey takes action in the U.S. Supreme Court to stop the diversion of the Delaware River. Court appoints Judge Charles N. Burch to decide the case. 1931 - Burch rules in favor of New York City, and the Supreme Court concurs with his opinion. New York City is allowed to divert 440 million gallons per day from the Delaware Watershed.