Susquehanna River at Marietta water level

Name: Susquehanna River at Marietta 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, Pennsylvania, United States

Directions

Below flood stage

Water level

34.94ft Down 0.23 ft over the last 24 hours

Measured Oct 20, 2026, 05:15 AM EDT (38 min ago)

Flow: 17,000 cfs

History

7 days

Water level Forecast Minor flood stage

The forecast expects the river to fall to 34.70 ft by Wednesday, October 21 at 08:00 PM. Issued Monday, October 19 at 10:21 AM by NOAA National Weather Service.

What this means

Water levels are unremarkable at Susquehanna River at Marietta, where the gauge shows 34.94 ft.

It is 14.06 ft below the flood stage of 49.00 ft.

It is still going down, by 0.23 ft over the past 24 hours. The forecast expects the river to fall to 34.70 ft by Wednesday, October 21 at 08:00 PM. The 30-day range is 34.75 ft – 35.71 ft.

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

Key numbers

Highest on record: 64.54 ftJune 23, 1972
Forecast peak: 35.00 ftTuesday, October 20 at 02:00 AM

Paddling and fishing conditions

Most paddlers and anglers will find the river in good shape at this stage.

For reference, flood stage is 49.00 ft.

What happens at each level

64.00 ft: Widespread flooding on both banks affects homes, businesses, and the water and sewage plants.
59.00 ft: Widespread flooding occurs on both sides of the river. Many homes and businesses are affected by high water. The Wrightsville water supply is affected by flood waters.
56.00 ft: Widespread flooding occurs on both sides of the river. Many homes and businesses are affected.
54.00 ft: Numerous homes and businesses in the Columbia and Wrightsville areas are affected by high water. The Wilton Company in Wrightsville experiences problems with high water.
52.00 ft: A number of residences in the Wrightsville and Columbia areas begin to be affected.
49.00 ft: Front Street in Wrightsville floods. Low lying areas of route 624 on the right, or west bank and along route 441 on the left, or east bank are also affected. Riverside recreation area is also inundated.
47.00 ft: Low lying undeveloped areas on both banks are inundated. A couple of roadways are closed.
44.00 ft: The right, or west bank overflows. Some roadways are affected.
34.94 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: 13 %.

Rank	Level	Date
1	64.54 ft	June 23, 1972
2	60.73 ft	March 19, 1936
3	58.30 ft	June 2, 1889
4	58.16 ft	September 9, 2011
5	56.80 ft	January 21, 1996
6	56.27 ft	September 19, 2004
7	55.73 ft	September 27, 1975
8	54.90 ft	May 29, 1946
9	54.03 ft	March 12, 1964
10	53.49 ft	February 16, 1984

Weather at the gauge

No rain in the last 3 days.

20 Tue 68° 42° – Wind 8 mph

21 Wed 63° 39° – Wind 9 mph

22 Thu 63° 41° – Wind 13 mph

23 Fri 58° 42° – Wind 7 mph

24 Sat 61° 37° – Wind 6 mph

25 Sun 64° 41° – Wind 7 mph

26 Mon 68° 45° – Wind 5 mph

Forecast: Open-Meteo

Sunrise 07:22 AM Sunset 06:21 PM Daylight 10 hr, 58 min First quarter 67%

Map

Other gauges on the Susquehanna River

Gauge	Level	Compared with normal	24 hours	Distance
Susquehanna River at ConklinRiver gauge, Susquehanna River	3.23 ft	Below flood stage	−0.08 ft	142 mi
Susquehanna River at OwegoRiver gauge, Susquehanna River	14.15 ft	Below flood stage	−0.06 ft	142 mi
Susquehanna River near WaverlyRiver gauge, Susquehanna River	2.01 ft	Below flood stage	−0.06 ft	133 mi
Susquehanna River at TowandaRiver gauge, Susquehanna River	0.84 ft	Below flood stage	−0.03 ft	118 mi
Susquehanna River at MeshoppenRiver gauge, Susquehanna River	8.38 ft	Below flood stage	±0	110 mi
Susquehanna River at Wilkes-BarreRiver gauge, Susquehanna River	1.59 ft	Below flood stage	+0.01 ft	89 mi
Susquehanna River at BloomsburgRiver gauge, Susquehanna River	1.98 ft	Below flood stage	−0.08 ft	65 mi
Susquehanna River at DanvilleRiver gauge, Susquehanna River	3.49 ft	Below flood stage	−0.09 ft	63 mi
Susquehanna River above Dam at SunburyRiver gauge, Susquehanna River	3.08 ft	Normal	−0.01 ft	57 mi
Susquehanna River at SunburyRiver gauge, Susquehanna River	7.65 ft	Normal	−0.02 ft	56 mi
Susquehanna River at HarrisburgRiver gauge, Susquehanna River	3.93 ft	Below flood stage	−0.09 ft	23 mi
Susquehanna River at ConowingoRiver gauge, Susquehanna River	9.61 ft	Below flood stage	−0.01 ft	33 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Chiques Creek near MariettaRiver gauge, Chiques Creek	112 cfs	High	−2.0 cfs	1.0 mi
Kreutz Creek at StricklerRiver gauge, Kreutz Creek	26.4 cfs	High	±0	2.9 mi
Codorus Creek near SaginawRiver gauge, Codorus Creek	159 cfs	Normal	+7.0 cfs	7 mi
Fishing Creek at CraleyRiver gauge, Fishing Creek	5.8 cfs	Normal	±0	8 mi
Conewago Creek near BellaireRiver gauge, Conewago Creek	8.2 cfs	Normal	−1.3 cfs	10 mi
West Conewago Creek near ManchesterRiver gauge, West Conewago Creek	188 cfs	Normal	−42.0 cfs	10 mi
Conewago Creek near FalmouthRiver gauge, Conewago Creek	17.8 cfs	Normal	−1.0 cfs	11 mi
Conestoga River at ConestogaRiver gauge, Conestoga River	505 cfs	Normal	−27.0 cfs	11 mi

Questions and answers

What is flood stage for the Susquehanna River at Marietta?

The official flood stage is 49.00 ft. The level is currently 14.06 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 Marietta today?

On Oct 20, 2026, 05:15 AM EDT, the water level was 34.94 ft. Down 0.23 ft over the last 24 hours.

Is Susquehanna River at Marietta rising or falling?

Down 0.23 ft over the last 24 hours.

Is the level of Susquehanna River at Marietta 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 Marietta?

The highest level on record is 64.54 ft on June 23, 1972.

Is Susquehanna River at Marietta expected to rise?

The forecast expects the river to fall to 34.70 ft by Wednesday, October 21 at 08:00 PM.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:01576000 (Agency page)
Coordinates: 40.05454, -76.53080 (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	34.94 ft	2026-10-20 09:15	Provisional
Flow	17,000 cfs	2026-10-20 09:15	Provisional

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How to cite

U.S. Geological Survey: Susquehanna River at Marietta (usgs:01576000). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/pennsylvania/susquehanna-river-at-marietta

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