Delaware River

Streamflow Hydrology Weather

Delaware River Levels

September 21 2023

50,433 ACRE-FT

Discharge Volume Today
-1912.3 cfs (-6.99%) since yesterday
85.53% of Normal 10 Streamgauges

Total streamflow across the Delaware River was last observed at 25,426 cfs, and is expected to yield approximately 50,433 acre-ft of water today; about 86% of normal. Average streamflow for this time of year is 29,727 cfs, with recent peaks last observed on 2011-09-09 when daily discharge volume was observed at 713,528 cfs.

Maximum discharge along the river is currently at the Delaware River At Trenton Nj reporting a streamflow rate of 7,880 cfs. However, the streamgauge with the highest stage along the river is the Delaware R Bl Perry Dam with a gauge stage of 27.39 ft. This river is monitored from 10 different streamgauging stations along the Delaware River, the highest being situated at an altitude of 2,906 ft, the Delaware River Nr Red Bluff.

Last Updated 2023-09-21
Streamflow 25,426.38 cfs
Percent of Normal 85.53%
Maximum 713,528.0 cfs

About the delaware river

The Delaware River is a major river on the east coast of the United States, spanning approximately 330 miles from its source in the Catskill Mountains of New York to its mouth at the Delaware Bay. The river has played a significant role in American history, serving as a boundary during colonial times and as a major shipping route during the industrial revolution. The Delaware River has a complex hydrology system with many tributaries and large reservoirs, including the Pepacton, Cannonsville, and Neversink reservoirs in New York, and the Blue Marsh Lake in Pennsylvania. These reservoirs provide drinking water for millions of people in the region. The river is also used for recreational activities such as fishing, boating, and hiking, and supports agricultural activities in the surrounding areas.

Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Delaware River Nr Red Bluff
USGS 08408500
3 cfs 1.37 ft 0
Delaware R Nr Muscotah
USGS 06890100
5 cfs 2 ft -29.95
Delaware R Bl Perry Dam
USGS 06890900
211 cfs 27.39 ft 0
Delaware River At Lordville Ny
USGS 01427207
1710 cfs 6.78 ft -8.06
Delaware River At Callicoon Ny
USGS 01427510
1800 cfs 3.66 ft -9.55
Delaware R Above Lackawaxen R Nr Barryville Ny
USGS 01428500
1980 cfs 3.63 ft -12.39
Delaware River At Port Jervis Ny
USGS 01434000
3330 cfs 3.38 ft -13.28
Delaware River At Montague Nj
USGS 01438500
3380 cfs 6.04 ft -12.44
Delaware River At Belvidere Nj
USGS 01446500
5130 cfs 4.73 ft -7.23
Delaware River At Trenton Nj
USGS 01463500
7880 cfs 9.24 ft 1.29

Peak Annual Discharge

Delaware River Maximum Total Discharge

Seasonal Comparison

Delaware River Year Over Year Discharge

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