Ramapo River near Mahwah NJ water level

Name: Ramapo River near Mahwah NJ water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Ramapo River, New Jersey, United States

Directions

Below flood stage

Water level

3.08ft Down 0.06 ft over the last 24 hours

Measured Oct 20, 2026, 08:00 AM EDT (41 min ago)

Flow: 113 cfs

History

7 days

Water level Forecast Minor flood stage

The forecast expects the river to fall to 2.90 ft by Wednesday, October 21 at 08:00 AM. Issued Monday, October 19 at 10:25 AM by NOAA National Weather Service.

What this means

The Ramapo River near Mahwah NJ is at 3.08 ft, in the normal range.

It is 4.92 ft below the flood stage of 8.00 ft.

It has dropped 0.06 ft over the past 24 hours. The forecast expects the river to fall to 2.90 ft by Wednesday, October 21 at 08:00 AM. In the last month it has stayed between 3.08 ft and 3.43 ft.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Highest on record: 15.78 ftAugust 28, 2011
Forecast peak: 3.00 ftTuesday, October 20 at 08:00 AM

Floating and fishing near Ramapo River near Mahwah NJ

Normal flows mean predictable rapids and good access at most put-ins.

Flood stage here is 8.00 ft, 4.92 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

12.00 ft: Major flooding along Route 202 and Route 17 intersection. Road closed. Flooding along Riverview Drive and along Halifax Road and Bridle Path Lane. Flooding on Brakeshoe Place, Brook Street and Catherine Avenue.
9.00 ft: State Route 202 floods downstream. Moderate flooding along Route 202 and Route 17. Water into backyards. Minor flooding along Brakeshoe Place, Brook Street and Catherine Avenue.
8.00 ft: Minor flooding along Route 202.
3.08 ft: Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Chance of at least minor flooding in October to December: 15 %.

Rank	Level	Date
1	15.78 ft	August 28, 2011
2	12.53 ft	October 16, 1955
3	12.52 ft	September 16, 1999
4	11.87 ft	May 29, 1968
5	11.35 ft	August 19, 1955
6	11.16 ft	March 7, 2011
7	10.76 ft	August 28, 1971
8	10.72 ft	March 11, 2011
9	10.50 ft	December 21, 1973
10	10.40 ft	September 22, 1938

Weather at the gauge

No rain in the last 3 days.

20 Tue 64° 44° – Wind 11 mph

21 Wed 58° 41° – Wind 10 mph

22 Thu 63° 39° – Wind 12 mph

23 Fri 57° 43° – Wind 12 mph

24 Sat 59° 38° – Wind 5 mph

25 Sun 63° 40° – Wind 7 mph

26 Mon 67° 45° – Wind 8 mph

Forecast: Open-Meteo

Sunrise 07:14 AM Sunset 06:10 PM Daylight 10 hr, 56 min First quarter 68%

Map

Other gauges on the Ramapo River

Gauge	Level	Compared with normal	24 hours	Distance
Ramapo River at Mary H Harriman Mem Park at HarrimanRiver gauge, Ramapo River	7.9 cfs	Normal	±0	15 mi
Ramapo River at RamapoRiver gauge, Ramapo River	2.28 ft	Below flood stage	−0.04 ft	2.9 mi
Ramapo River at SuffernRiver gauge, Ramapo River	2.93 ft	Below flood stage	−0.04 ft	1.4 mi
Ramapo River at West Oakland Avenue at Oakland NJRiver gauge, Ramapo River	4.66 ft	Below flood stage	−0.06 ft	7 mi
Ramapo River at Lakeside Ave at Pompton Lakes NJRiver gauge, Ramapo River	10.63 ft	No reference yet	−0.03 ft	9 mi
Ramapo River above dam at Pompton Lakes NJReservoir, Ramapo River	10.40 ft	No reference yet	−0.02 ft	9 mi
Ramapo River at Pompton Lakes NJRiver gauge, Ramapo River	7.50 ft	Below flood stage	−0.05 ft	10 mi
Ramapo River at Dawes Highway at Pompton NJRiver gauge, Ramapo River	0.87 ft	No reference yet	−0.03 ft	10 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Mahwah River near Suffern NYRiver gauge, Mahwah River	1.78 ft	Below flood stage	−0.02 ft	3.8 mi
Saddle River at Upper Saddle River NJRiver gauge, Saddle River	1.96 ft	Below flood stage	−0.02 ft	4.4 mi
Ringwood Creek near Wanaque NJRiver gauge, Ringwood Creek	9.4 cfs	Normal	−0.4 cfs	5.7 mi
Hohokus Brook at Ho-Ho-Kus NJRiver gauge, Hohokus Brook	1.43 ft	Below flood stage	−0.01 ft	7 mi
Pascack Brook at Park Ridge NJRiver gauge, Pascack Brook	2.81 ft	Below flood stage	±0	8 mi
Wanaque River at Wanaque NJRiver gauge, Wanaque River	1.37 ft	Below flood stage	±0	8 mi
West Brook near Wanaque NJRiver gauge, West Brook	11.4 cfs	Normal	−2.8 cfs	8 mi

Questions and answers

What is flood stage for the Ramapo River near Mahwah NJ?

The official flood stage is 8.00 ft. The level is currently 4.92 ft below it.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Ramapo River near Mahwah NJ today?

On Oct 20, 2026, 08:00 AM EDT, the water level was 3.08 ft. Down 0.06 ft over the last 24 hours.

Is Ramapo River near Mahwah NJ rising or falling?

Down 0.06 ft over the last 24 hours.

Is the level of Ramapo River near Mahwah NJ normal?

Below flood stage. Judged against the official flood stage for this gauge.

What is the highest water level ever recorded at Ramapo River near Mahwah NJ?

The highest level on record is 15.78 ft on August 28, 2011.

Is Ramapo River near Mahwah NJ expected to rise?

The forecast expects the river to fall to 2.90 ft by Wednesday, October 21 at 08:00 AM.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:01387500 (Agency page)
Coordinates: 41.09806, -74.16278 (WGS84)
Vertical datum: NGVD29
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	3.08 ft	2026-10-20 12:00	Provisional
Flow	113 cfs	2026-10-20 12:00	Provisional

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How to cite

U.S. Geological Survey: Ramapo River near Mahwah NJ (usgs:01387500). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/new-jersey/ramapo-river-near-mahwah-nj

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer