Water Supply

Reservoir Levels

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New York City’s Water Supply System

New York City’s
Water Supply System

October 3, 2023

Total Storage (% of Capacity)
Current: 90.8
Normal: 77.4
Consumption (billion gallons)
10/02/23 1.01
Average Precipitation (inches)

Actual Historical
August: 6.79 4.30
September: 5.14 4.24
October: 0.00 0.14

Croton System
Capacity: 91.6B gallons
% of Capacity: 103.4

Neversink Reservoir
Capacity: 34.9B gallons
% of Capacity: 91.1

Rondout Reservoir
Capacity: 49.6B gallons
% of Capacity: 91.7

Pepacton Reservoir
Capacity: 140.2B gallons
% of Capacity: 87.7

Schoharie Reservoir
Capacity: 17.6B gallons
% of Capacity: 90.1

Cannonsville Reservoir
Capacity: 95.7B gallons
% of Capacity: 83.0

Ashokan Reservoir
Capacity: 122.9B gallons
% of Capacity: 90.6

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