ramapo river

Ramapo River River Levels

Last Updated: November 16, 2025

The Ramapo River is a tributary of the Pompton River, located in northeastern New Jersey.


Summary

Total streamflow across the Ramapo River was last observed at 173 cfs, and is expected to yield approximately 344 acre-ft of water today; about 29% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 596 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 Near Mahwah Nj reporting a streamflow rate of 73.4 cfs. However, the streamgauge with the highest stage along the river is the Ramapo River At Pompton Lakes Nj with a gauge stage of 6.95 ft. 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.

River Details

Last Updated 2025-11-16
Discharge Volume 344 ACRE-FT
Streamflow 173.4 cfs
+18.4 cfs (+11.87%)
Percent of Normal 29.07%
Maximum 37,320.0 cfs
2011-08-29
Seasonal Avg 596 cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Ramapo River At Ramapo Ny
USGS 01387400
36 cfs 1.79 ft -5.82
Ramapo River At Suffern Ny
USGS 01387420
34 cfs 2.72 ft 0
Ramapo River Near Mahwah Nj
USGS 01387500
73 cfs 3.08 ft 23.36
Ramapo River At Pompton Lakes Nj
USGS 01388000
64 cfs 6.95 ft 11.61
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

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.