Susquehanna River at Unadilla water level

Name: Susquehanna River at Unadilla 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, Susquehanna River, New York, United States

Directions

Below flood stage

Water level

3.18ft Down 0.11 ft over the last 24 hours

Measured Oct 19, 2026, 05:00 PM EDT (1 hour ago)

Flow: 571 cfs

History

7 days

Water level Forecast Minor flood stage

The forecast expects the river to fall to 3.10 ft by Wednesday, October 21 at 02:00 AM. Issued Monday, October 19 at 10:18 AM by NOAA National Weather Service.

What this means

The Susquehanna River at Unadilla is at 3.18 ft, in the normal range.

It is 7.82 ft below the flood stage of 11.00 ft.

It has dropped 0.11 ft over the past 24 hours. The forecast expects the river to fall to 3.10 ft by Wednesday, October 21 at 02:00 AM. In the last month it has stayed between 3.06 ft and 3.37 ft.

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

Key numbers

Highest on record: 17.72 ftJune 29, 2006
Forecast peak: 3.20 ftMonday, October 19 at 02:00 PM

Floating and fishing near Susquehanna River at Unadilla

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

Flood stage here is 11.00 ft, 7.82 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

17.70 ft: This was the record flood of June 2006. Deep flooding was widespread and severe throughout Unadilla.
17.50 ft: Main Street in Sidney is flooded up to Smith Street.
17.00 ft: The water treatment building and the Press building in Sidney are inundated.
16.30 ft: Widespread severe flooding occurred during the September 2011 flood.
16.00 ft: Severe flooding occurs throughout most of the Village of Unadilla as water spreads toward Railroad Street. Route 7 flooded in many areas. Clinton St., Grand St., and Avery St., along with the fire station in Sidney are flooded.
15.00 ft: Sherman Ave., Bridge St., Willow St., and Cross Street in Sidney are flooded. Amphenol and the Waste Water Treatment Plant in Sidney are flooded.
14.50 ft: Major flood stage. Several locations in Unadilla on the south side of Main Street are flooded. Water crosses Route 7 near Hopkins Street and floods homes to the north. Adams, Gilbert, Weir, Union Streets and the American Legion in Sidney are flooded.
13.00 ft: Moderate flood stage. Basement flooding and some first floor dwellings between Main Street and River Road are affected by flooding. This includes properties on Hopkins, Church, Dart and Mill Street.
11.00 ft: Minor flooding begins to impact fields and some properties in Unadilla between Main Street and River Road.
3.18 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: 6 %.

Rank	Level	Date
1	17.72 ft	June 29, 2006
2	16.60 ft	March 18, 1936
3	16.34 ft	September 9, 2011
4	16.00 ft	July 8, 1935
5	14.64 ft	March 14, 1977
6	14.25 ft	April 4, 1960
7	14.24 ft	January 19, 1996
8	14.13 ft	October 18, 1977
9	13.94 ft	December 30, 1942
10	13.90 ft	March 6, 1979

Weather at the gauge

The forecast is not available right now.

Sunrise 07:19 AM Sunset 06:15 PM Daylight 10 hr, 55 min First quarter 63%

Map

Other gauges on the Susquehanna River

Gauge	Level	Compared with normal	24 hours	Distance
Susquehanna River at BainbridgeRiver gauge, Susquehanna River	2.03 ft	Below flood stage	−0.15 ft	8 mi
Susquehanna River at WindsorRiver gauge, Susquehanna River	3.66 ft	Below flood stage	−0.10 ft	24 mi
Susquehanna River at ConklinRiver gauge, Susquehanna River	3.27 ft	Below flood stage	−0.05 ft	32 mi
Susquehanna River at BinghamtonRiver gauge, Susquehanna River	2.74 ft	Normal	−0.02 ft	34 mi
Susquehanna River at VestalRiver gauge, Susquehanna River	3.74 ft	Below flood stage	−0.10 ft	41 mi
Susquehanna River at OwegoRiver gauge, Susquehanna River	14.17 ft	Below flood stage	−0.04 ft	51 mi
Susquehanna River near WaverlyRiver gauge, Susquehanna River	2.05 ft	Below flood stage	−0.03 ft	65 mi
Susquehanna River at TowandaRiver gauge, Susquehanna River	0.86 ft	Below flood stage	−0.01 ft	69 mi
Susquehanna River at MeshoppenRiver gauge, Susquehanna River	8.39 ft	Below flood stage	+0.05 ft	62 mi
Susquehanna River at Wilkes-BarreRiver gauge, Susquehanna River	1.59 ft	Below flood stage	−0.02 ft	79 mi
Susquehanna River at BloomsburgRiver gauge, Susquehanna River	2.00 ft	Below flood stage	−0.13 ft	109 mi
Susquehanna River at DanvilleRiver gauge, Susquehanna River	3.52 ft	Below flood stage	−0.11 ft	116 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Ouleout Creek at East SidneyRiver gauge, Ouleout Creek	1.52 ft	Below flood stage	±0	4.3 mi
East Sidney Lake at East SidneyLake, East Sidney Lake	1,150.32 ft	Normal	−0.14 ft	4.4 mi
Unadilla River at RockdaleRiver gauge, Unadilla River	4.50 ft	Below flood stage	−0.05 ft	6.0 mi
Trout Creek near Trout CreekRiver gauge, Trout Creek	3.21 ft	Below flood stage	−0.02 ft	10 mi
West Branch Delaware River at WaltonRiver gauge, West Branch Delaware River	3.82 ft	Below flood stage	−0.07 ft	14 mi
East Brook East of WaltonRiver gauge	2.46 ft	Below flood stage	−0.02 ft	14 mi
Cannonsville Reservoir near KelseyReservoir, Cannonsville Reservoir	1,126.59 ft	Normal	−0.12 ft	16 mi
Chenango River at OxfordRiver gauge, Chenango River	7.52 ft	Below flood stage	+0.08 ft	17 mi

Questions and answers

What is flood stage for the Susquehanna River at Unadilla?

The official flood stage is 11.00 ft. The level is currently 7.82 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 Susquehanna River at Unadilla today?

On Oct 19, 2026, 05:00 PM EDT, the water level was 3.18 ft. Down 0.11 ft over the last 24 hours.

Is Susquehanna River at Unadilla rising or falling?

Down 0.11 ft over the last 24 hours.

Is the level of Susquehanna River at Unadilla normal?

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

What is the highest water level ever recorded at Susquehanna River at Unadilla?

The highest level on record is 17.72 ft on June 29, 2006.

Is Susquehanna River at Unadilla expected to rise?

The forecast expects the river to fall to 3.10 ft by Wednesday, October 21 at 02:00 AM.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:01500500 (Agency page)
Coordinates: 42.32150, -75.31639 (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	3.18 ft	2026-10-19 21:00	Provisional
Flow	571 cfs	2026-10-19 21:00	Provisional

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How to cite

U.S. Geological Survey: Susquehanna River at Unadilla (usgs:01500500). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/new-york/susquehanna-river-at-unadilla

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