Water Supply

Reservoir Levels

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New York City’s Water Supply System

New York City’s
Water Supply System

April 15, 2021

Total Storage (% of Capacity)
Current: 98.4
Normal: 99.6
Consumption (billion gallons)
04/14/21 0.92
Average Precipitation (inches)
  Actual Historical
February: 2.85 2.60
2.49 3.53
April: 0.71 1.58

Croton System
Capacity: 91.6B gallons
% of Capacity: 99.4

Neversink Reservoir
Capacity: 34.9B gallons
% of Capacity: 99.6

Rondout Reservoir
Capacity: 49.6B gallons
% of Capacity: 97.6

Pepacton Reservoir
Capacity: 140.2B gallons
% of Capacity: 98.5

Schoharie Reservoir
Capacity: 17.6B gallons
% of Capacity: 101.1

Cannonsville Reservoir
Capacity: 95.7B gallons
% of Capacity: 98.2

Ashokan Reservoir
Capacity: 122.9B gallons
% of Capacity: 97.3

For additional near real-time information on surface water conditions in the New York City Watersheds, go to the USGS for New York State.