Water Supply

Reservoir Levels

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New York City’s Water Supply System

New York City’s
Water Supply System

December 5, 2025

Total Storage (% of Usable Storage)
Current: 71.3
Normal: 82.4
Consumption (billion gallons (BG))
12/04/25 0.99
Average Precipitation (inches)

Actual Historical
October: 3.91 4.24
November: 2.28 3.41
December: 0.61 0.43

Croton System
Available Capacity: 94.2 BG
% of Usable Storage: 95.7

Neversink Reservoir
Available Capacity: 35.2 BG
% of Usable Storage: 70.6

Rondout Reservoir
Available Capacity: 49.5 BG
% of Usable Storage: 93.0

Pepacton Reservoir
Available Capacity: 142.8 BG
% of Usable Storage: 63.7

Schoharie Reservoir
Available Capacity: 18.2 BG
% of Usable Storage: 35.5

Cannonsville Reservoir
Available Capacity: 94.4 BG
% of Usable Storage: 53.9

Ashokan Reservoir
Available Capacity: 123.8 BG
% of Usable Storage: 73.7

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