West Branch Susquehanna River at Allenwood water level

Name: West Branch Susquehanna River at Allenwood 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, West Branch Susquehanna River, Pennsylvania, United States

Directions

Below flood stage

Water level

8.40ft Down 0.09 ft over the last 24 hours

Measured Oct 20, 2026, 05:45 PM EDT (42 min ago)

Flow: 4,540 cfs

History

7 days

Water level Forecast Minor flood stage

The forecast expects the river to fall to 7.80 ft by Friday, October 23 at 02:00 AM. Issued Tuesday, October 20 at 10:41 AM by NOAA National Weather Service.

What this means

The gauge at West Branch Susquehanna River at Allenwood reads 8.40 ft, a normal level.

It is 15.60 ft below the flood stage of 24.00 ft.

The level is falling, down 0.09 ft over the past 24 hours. The forecast expects the river to fall to 7.80 ft by Friday, October 23 at 02:00 AM. Over the past 30 days it has moved between 8.32 ft and 8.57 ft.

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

Key numbers

Highest on record: 26.07 ftSeptember 11, 2018
Forecast peak: 8.40 ftTuesday, October 20 at 02:00 PM

What the stage means on the water

A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.

The National Weather Service puts flood stage for this gauge at 24.00 ft, still 15.60 ft away.

What happens at each level

32.00 ft: Many homes in Watsontown are affected by high water levels. A number of streets and roads are closed.
30.00 ft: Many residences on Canal Street in Watsontown flood. Some homes on Elm Street are also affected. Homes and businesses in other low lying areas are also affected.
28.00 ft: A number of homes in the Watsontown area are affected by high water.
26.00 ft: Homes in the Park Manor section on the left, or east bank of the river flood.
24.00 ft: The park on the left, or east bank floods. Roadway flooding occurs at a few low lying areas on both sides of the river.
22.00 ft: River interests are encouraged to monitor conditions for further rises. A few roads in the vacinity of Watsontown are affected by high water.
20.00 ft: River interests are encouraged to monitor conditions for further rises. A few roads including Routes 405 and 44 between Milton and Watsontown are affected by high water.
8.40 ft: Right now

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

Highest crests on record

Rank	Level	Date
1	26.07 ft	September 11, 2018
2	24.75 ft	August 10, 2024
3	24.10 ft	April 4, 2024
4	21.35 ft	May 1, 2020
5	20.40 ft	December 22, 2018
6	19.15 ft	May 7, 2017
7	16.29 ft	February 25, 2016
8	12.19 ft	July 11, 2015

Weather at the gauge

Rain in the last 3 days: 0.19 in. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 54° 41° – Wind 15 mph

18 Sun 56° 36° – Wind 5 mph

19 Mon 66° 39° – Wind 6 mph

20 Tue 65° 40° – Wind 14 mph

21 Wed 63° 37° – Wind 8 mph

22 Thu 64° 37° – Wind 11 mph

23 Fri 63° 41° – Wind 10 mph

Forecast: Open-Meteo

Sunrise 07:25 AM Sunset 06:21 PM Daylight 10 hr, 56 min Waxing gibbous 72%

Map

Other gauges on the West Branch Susquehanna River

Gauge	Level	Compared with normal	24 hours	Distance
West Branch Susquehanna River at BowerRiver gauge, West Branch Susquehanna River	402 cfs	Normal	−49.0 cfs	94 mi
West Branch Susquehanna River at HydeRiver gauge, West Branch Susquehanna River	662 cfs	High	−6.0 cfs	82 mi
West Branch Susquehanna River at RenovoRiver gauge, West Branch Susquehanna River	1.42 ft	Below flood stage	−0.21 ft	47 mi
West Branch Susquehanna River at LewisburgRiver gauge, West Branch Susquehanna River	2.76 ft	Below flood stage	−0.03 ft	10 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
W Br Susquehanna River at West MiltonRiver gauge, W Br Susquehanna River	2.01 ft	Normal	−0.05 ft	6 mi
Muncy Creek near MuncyRiver gauge, Muncy Creek	7.56 ft	Normal	−0.10 ft	10 mi
Chillisquaque Creek near Potts GroveRiver gauge, Chillisquaque Creek	44.2 cfs	Normal	−5.7 cfs	10 mi
WB Susquehanna River at WilliamsportRiver gauge, WB Susquehanna River	1.90 ft	Below flood stage	−0.23 ft	10 mi
Chillisquaque Creek at WashingtonvilleRiver gauge, Chillisquaque Creek	0.72 ft	Below flood stage	−0.04 ft	11 mi
Lycoming Creek near WilliamsportRiver gauge, Lycoming Creek	1.68 ft	Very low	−0.03 ft	14 mi
Loyalsock Creek at LoyalsockvilleRiver gauge, Loyalsock Creek	1.29 ft	Below flood stage	−0.05 ft	15 mi
Susquehanna River at DanvilleRiver gauge, Susquehanna River	3.49 ft	Below flood stage	−0.03 ft	18 mi

Questions and answers

What is flood stage for the West Branch Susquehanna River at Allenwood?

The official flood stage is 24.00 ft. The level is currently 15.60 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 West Branch Susquehanna River at Allenwood today?

On Oct 20, 2026, 05:45 PM EDT, the water level was 8.40 ft. Down 0.09 ft over the last 24 hours.

Is West Branch Susquehanna River at Allenwood rising or falling?

Down 0.09 ft over the last 24 hours.

Is the level of West Branch Susquehanna River at Allenwood normal?

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

What is the highest water level ever recorded at West Branch Susquehanna River at Allenwood?

The highest level on record is 26.07 ft on September 11, 2018.

Is West Branch Susquehanna River at Allenwood expected to rise?

The forecast expects the river to fall to 7.80 ft by Friday, October 23 at 02:00 AM.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:01553025 (Agency page)
Coordinates: 41.10806, -76.89000 (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	8.40 ft	2026-10-20 21:45	Provisional
Flow	4,540 cfs	2026-10-20 21:45	Provisional

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How to cite

U.S. Geological Survey: West Branch Susquehanna River at Allenwood (usgs:01553025). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/pennsylvania/west-branch-susquehanna-river-at-allenwood

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