Water Supply

Reservoir Levels

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New York City’s Water Supply System

New York City’s
Water Supply System

June 17, 2021

Total Storage (% of Capacity)
Current: 97.8
Normal: 98.1
Consumption (billion gallons)
6/16/21 0.98
Average Precipitation (inches)
  Actual Historical
April: 2.66 3.72
4.88 3.86
June: 1.66 2.57

Croton System
Capacity: 91.6B gallons
% of Capacity: 99.2

Neversink Reservoir
Capacity: 34.9B gallons
% of Capacity: 97.0

Rondout Reservoir
Capacity: 49.6B gallons
% of Capacity: 96.6

Pepacton Reservoir
Capacity: 140.2B gallons
% of Capacity: 98.4

Schoharie Reservoir
Capacity: 17.6B gallons
% of Capacity: 100.7

Cannonsville Reservoir
Capacity: 95.7B gallons
% of Capacity: 97.7

Ashokan Reservoir
Capacity: 122.9B gallons
% of Capacity: 96.2

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