Mongaup River at Mongaup Valley water level

Name: Mongaup River at Mongaup Valley 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, Mongaup River, New York, United States

Directions

Below flood stage

Water level

3.39ft Down 0.07 ft over the last 24 hours

Measured Oct 19, 2026, 02:30 AM EDT (49 min ago)

Flow: 112 cfs

History

7 days

Water level Minor flood stage

What this means

The Mongaup River at Mongaup Valley is at 3.39 ft, in the normal range.

It is 10.61 ft below the flood stage of 14.00 ft.

It has dropped 0.07 ft over the past 24 hours. In the last month it has stayed between 3.18 ft and 3.88 ft.

Fall is often low-water season on rivers, until steadier rain returns.

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

Key numbers

Highest on record: 15.22 ftAugust 19, 1955

Floating and fishing near Mongaup River at Mongaup Valley

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

Flood stage here is 14.00 ft, 10.61 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: Minor Field Flooding Begins
3.39 ft: Right now

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

Highest crests on record

Rank	Level	Date
1	15.22 ft	August 19, 1955
2	13.47 ft	April 3, 2005
3	12.80 ft	March 29, 2005
4	11.94 ft	September 18, 2004
5	6.73 ft	September 23, 2003
6	6.25 ft	April 4, 1994
7	4.38 ft	March 9, 1995

Weather at the gauge

Rain in the last 3 days: 0.34 in. Rain that falls upstream can take hours or days to show up at a river gauge.

19 Mon 64° 35° – Wind 5 mph

20 Tue 63° 38° – Wind 11 mph

21 Wed 60° 38° – Wind 6 mph

22 Thu 63° 37° – Wind 10 mph

23 Fri 57° 39° – Wind 7 mph

24 Sat 54° 34° – Wind 5 mph

25 Sun 57° 33° – Wind 9 mph

Forecast: Open-Meteo

Sunrise 07:16 AM Sunset 06:13 PM Daylight 10 hr, 57 min First quarter 57%

Map

Other gauges on the Mongaup River

Gauge	Level	Compared with normal	24 hours	Distance
Mongaup River below Swinging Bridge ReservoirRiver gauge, Mongaup River	127 cfs	Normal	−3.0 cfs	7 mi
Mongaup River near MongaupRiver gauge, Mongaup River	181 cfs	Normal	−2.0 cfs	14 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Sheldrake Stream at ThompsonvilleRiver gauge, Sheldrake Stream	24.6 cfs	Normal	−6.7 cfs	8 mi
Neversink River at BridgevilleRiver gauge, Neversink River	5.03 ft	Below flood stage	−0.05 ft	9 mi
Neversink River at NeversinkRiver gauge, Neversink River	3.32 ft	Below flood stage	±0	13 mi
Neversink Reservoir near NeversinkReservoir, Neversink Reservoir	1,425.72 ft	Normal	+0.08 ft	13 mi
Tenmile River at TustenRiver gauge, Tenmile River	32.0 cfs	Normal	−12.9 cfs	14 mi
Delaware River at BarryvilleRiver gauge, Delaware River	2,050 cfs	Normal	−330.0 cfs	15 mi
Callicoon Creek at CallicoonRiver gauge, Callicoon Creek	1.19 ft	Below flood stage	−0.11 ft	15 mi
Delaware River above Lackawaxen River near BarryvilleRiver gauge, Delaware River	3.46 ft	Below flood stage	−0.22 ft	15 mi

Questions and answers

What is flood stage for the Mongaup River at Mongaup Valley?

The official flood stage is 14.00 ft. The level is currently 10.61 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 Mongaup River at Mongaup Valley today?

On Oct 19, 2026, 02:30 AM EDT, the water level was 3.39 ft. Down 0.07 ft over the last 24 hours.

Is Mongaup River at Mongaup Valley rising or falling?

Down 0.07 ft over the last 24 hours.

Is the level of Mongaup River at Mongaup Valley normal?

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

What is the highest water level ever recorded at Mongaup River at Mongaup Valley?

The highest level on record is 15.22 ft on August 19, 1955.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:01432900 (Agency page)
Coordinates: 41.66839, -74.78047 (WGS84)
Vertical datum: NAVD88
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	3.39 ft	2026-10-19 06:30	Provisional
Flow	112 cfs	2026-10-19 06:30	Provisional

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How to cite

U.S. Geological Survey: Mongaup River at Mongaup Valley (usgs:01432900). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/new-york/mongaup-river-at-mongaup-valley

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