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Mohawk River at Lock 9 at Rotterdam Junction water level

River gauge, Mohawk River, New York, United States

Directions

High for mid-October

Water level

25.73ft Down 0.13 ft over the last 24 hours

Water temperature
57 °F
20 23 25

History

20222426ftOct 13Oct 14Oct 16Oct 17Oct 1920222426ftOct 13Oct 16Oct 19
202325ftSep 20Sep 27Oct 4Oct 12Oct 19202325ftSep 20Oct 4Oct 19
2030ftOct 2025Jan 2026Apr 2026Jul 2026Oct 20262030ftOct 2025Apr 2026Oct 2026
2030ftJanMarMayJulSepNov20262030ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %)

What this means

The gauge at Mohawk River at Lock 9 at Rotterdam Junction shows 25.73 ft, above normal for mid-October.

That puts it 0.56 ft above the median of 25.17 ft for mid-October, based on 7 years of readings. A year ago it stood at 25.19 ft (+0.54 ft).

The level is falling, down 0.13 ft over the past 24 hours. Over the past 30 days it has moved between 25.14 ft and 26.34 ft.

That stands out in fall, when many rivers are usually near their lowest. The sensor also reports a water temperature of 57 °F.

Compared with 7 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
25.17 ft0.56 ft above the median for this date
Normal for this date
19.35 ft – 25.73 ft8 years in 10 fall in this range (7 years of records)
Same day last year
25.19 ft+0.54 ft
Lowest and highest in 30 days
25.14 ft – 26.34 ft
Lowest and highest in 12 months
15.43 ft – 32.95 ft

What the stage means on the water

Fast, high water is not the time for casual paddling. Strainers, debris and cold water make an unplanned swim dangerous.

Weather at the gauge

The forecast is not available right now.

Sunrise 07:15 AM Sunset 06:09 PM Daylight 10 hr, 54 min First quarter 57%

Map

Other gauges on the Mohawk River

Gauge Level Compared with normal 24 hours Distance
Mohawk River below Delta Dam near RomeRiver gauge, Mohawk River 140 cfs Very low ±0 75 mi
Mohawk River near UticaRiver gauge, Mohawk River 4.40 ft Below flood stage −0.23 ft 58 mi
Mohawk River near Little FallsRiver gauge, Mohawk River 5.14 ft Below flood stage −0.17 ft 39 mi
Mohawk River above State Highway 30A at FondaRiver gauge, Mohawk River 1,840 cfs Normal −210.0 cfs 17 mi
Mohawk River at AmsterdamRiver gauge, Mohawk River 3,170 cfs Normal +1,040 cfs 9 mi
Mohawk River at Lock 8 near SchenectadyRiver gauge, Mohawk River 12.09 ft Normal ±0 4.3 mi
Mohawk River at Freeman's Bridge at SchenectadyRiver gauge, Mohawk River 2,230 cfs Normal +280 cfs 6 mi
Mohawk River at RexfordRiver gauge, Mohawk River 12.08 ft Normal ±0 8 mi
Mohawk River at Vischer Ferry DamRiver gauge, Mohawk River 12.02 ft Normal −0.01 ft 11 mi
Mohawk River at CohoesRiver gauge, Mohawk River 8.92 ft Below flood stage −0.17 ft 18 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Glowegee Creek at West MiltonRiver gauge, Glowegee Creek 19.0 cfs Normal −7.3 cfs 12 mi
Schoharie Creek at BurtonsvilleRiver gauge, Schoharie Creek 1.12 ft Below flood stage −0.02 ft 12 mi
Normans Kill at KarlsfeldRiver gauge, Normans Kill 8.51 ft Normal −0.11 ft 19 mi

Questions and answers

How does the Mohawk River at Lock 9 at Rotterdam Junction compare with last year?

It is 0.54 ft higher than on the same day last year, when the reading was 25.19 ft.

What is a normal level for the Mohawk River at Lock 9 at Rotterdam Junction in mid-October?

The median for mid-October is 25.17 ft. In 8 years out of 10 the reading falls between 19.35 ft and 25.73 ft, based on 7 years of records.

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 Mohawk River at Lock 9 at Rotterdam Junction today?

On Oct 19, 2026, 04:05 AM EDT, the water level was 25.73 ft. Down 0.13 ft over the last 24 hours.

Is Mohawk River at Lock 9 at Rotterdam Junction rising or falling?

Down 0.13 ft over the last 24 hours. Up 0.45 ft over the last 7 days.

Is the level of Mohawk River at Lock 9 at Rotterdam Junction normal?

High for mid-October. Compared with 7 years of daily readings for this time of year.

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:01354230 (Agency page)
Coordinates
42.87828, -74.04075 (WGS84)
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Water level 25.73 ft 2026-10-19 08:05 Provisional
Water temperature 57 °F 2026-10-19 08:05 Provisional

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How to cite

U.S. Geological Survey: Mohawk River at Lock 9 at Rotterdam Junction (usgs:01354230). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/new-york/mohawk-river-at-lock-9-at-rotterdam-junction

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