River Levels Streamgages Weather

Total streamflow across the Ramapo River was last observed at 204 cfs, and is expected to yield approximately 404 acre-ft of water today; about 62% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 327 cfs, with recent peaks last observed on 2011-08-29 when daily discharge volume was observed at 37,320 cfs.

Maximum discharge along the river is currently at the Ramapo River At Pompton Lakes Nj reporting a streamflow rate of 86.7 cfs. This is also the highest stage along the Ramapo River, with a gauge stage of 7.1 ft at this location. This river is monitored from 4 different streamgauging stations along the Ramapo River, the highest being situated at an altitude of 300 ft, the Ramapo River At Ramapo Ny.

The Ramapo River is a tributary of the Pompton River, located in northeastern New Jersey. It flows for approximately 30 miles, from its source in the Ramapo Mountains to its confluence with the Pompton River. The river has played an important role in the region's history, serving as a transportation route for early settlers and as a source of power for mills and factories. Today, the river provides drinking water for several municipalities in the area, including the city of Newark. The river is also used for recreational activities, such as fishing, kayaking, and hiking. There are several reservoirs and dams along the river, including the Pompton Dam and the Ramapo Lake Dam. These structures help to regulate the river's flow and provide additional water storage for the region. Agricultural uses of the river include irrigation for crops and grazing lands for livestock.

July 20, 2024







Last Updated 2024-07-20
Discharge Volume 404 ACRE-FT
Streamflow 203.6 cfs
-74.2 cfs (-26.71%)
Percent of Normal 62.31%
Maximum 37,320.0 cfs
Seasonal Avg 327 cfs
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Ramapo River At Ramapo Ny
USGS 01387400
58 cfs 2.06 ft -31.77
Ramapo River At Suffern Ny
USGS 01387420
33 cfs 2.82 ft -22.09
Ramapo River Near Mahwah Nj
USGS 01387500
59 cfs 2.7 ft -39.86
Ramapo River At Pompton Lakes Nj
USGS 01388000
87 cfs 7.1 ft -8.64

Regional Streamflow


Cubic Feet Per Second


Cubic Feet Per Second


Cubic Feet Per Second


Cubic Feet Per Second

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Historical River Levels

The Ramapo River is a tributary of the Pompton River, approximately 30 mi (48 km) long, in southern New York and northern New Jersey in the United States.

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