Top Discharges

Streamgauges reporting the most discharge on the Mahwah River

10 Day Trend

Discharge comparison for the highest gauges over the past 10 days

Expected Streamflow Ranges

Streamflow discharge range for this time of year

The Mahwah River is a tributary of the Ramapo River in Rockland County, New York and Bergen County, New Jersey in the United States. The Mahwah River runs on a meandering SSW course for about 11 mi (18 km) from its headwaters just north of the hamlet of Ladentown, New York to its mouth which empties into the Ramapo River in Mahwah, New Jersey, just south of the village of Suffern, New York, and the state line. Its course runs along the length of the Ramapo geologic fault on the eastern edge of Harriman State Park and below the face ... Source: Wikipedia