Mahoning River at Alliance OH water level

Name: Mahoning River at Alliance OH 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, Mahoning River, Ohio, United States

Directions

High for mid-October

Water level

3.74ft Steady over the last 24 hours

Measured Oct 18, 2026, 04:00 AM EDT (59 min ago)

Water temperature: 58 °F

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %)

What this means

The gauge at Mahoning River at Alliance OH shows 3.74 ft, above normal for mid-October.

The median for mid-October is 3.65 ft, based on 9 years of readings, so the river stage is 0.09 ft above typical. On the same day last year the reading was 3.83 ft, a difference of −0.09 ft.

It has barely moved over the past 24 hours. Over the past 30 days it has moved between 3.60 ft and 4.33 ft.

That stands out in fall, when many rivers are usually near their lowest. The water temperature at the gauge is 58 °F.

Compared with 9 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 3.65 ft0.09 ft above the median for this date
Normal for this date: 3.54 ft – 3.81 ft8 years in 10 fall in this range (9 years of records)
Same day last year: 3.83 ft−0.09 ft
Lowest and highest in 30 days: 3.60 ft – 4.33 ft
Lowest and highest in 12 months: 3.44 ft – 5.83 ft
Highest on record: 9.11 ftJanuary 21, 1959

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.

Highest crests on record

Rank	Level	Date
1	9.11 ft	January 21, 1959
2	8.09 ft	January 9, 2004
3	7.90 ft	May 27, 1946
4	7.80 ft	August 1, 1958
5	6.83 ft	January 27, 1952
6	6.55 ft	June 9, 1981
7	6.53 ft	March 10, 1964
8	6.33 ft	February 25, 1956
9	6.29 ft	July 28, 2003
10	6.15 ft	October 16, 1954

Weather at the gauge

Rain in the last 3 days: 1.06 in. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 52° 41° – Wind 13 mph

18 Sun 58° 35° – Wind 7 mph

19 Mon 65° 37° – Wind 6 mph

20 Tue 65° 42° – Wind 8 mph

21 Wed 63° 37° – Wind 7 mph

22 Thu 65° 39° – Wind 8 mph

23 Fri 66° 42° – Wind 6 mph

Forecast: Open-Meteo

Sunrise 07:40 AM Sunset 06:41 PM Daylight 11 hr, 1 min First quarter 48%

Map

Other gauges on the Mahoning River

Gauge	Level	Compared with normal	24 hours	Distance
Mahoning River below Berlin Dam near Berlin Center OHRiver gauge, Mahoning River	2.86 ft	Below flood stage	−0.17 ft	9 mi
Mahoning River at Pricetown OHRiver gauge, Mahoning River	3.87 ft	Below flood stage	−0.03 ft	15 mi
Mahoning River at Leavittsburg OHRiver gauge, Mahoning River	4.31 ft	Below flood stage	−0.03 ft	24 mi
Mahoning River above West Ave at Youngstown OHRiver gauge, Mahoning River	3.91 ft	Below flood stage	−0.16 ft	25 mi
Mahoning River at Lowellville OHRiver gauge, Mahoning River	963 cfs	High	−247.0 cfs	30 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Berlin Lake near Berlin Center OHLake, Berlin Lake	1,017.35 ft	Normal	−0.25 ft	9 mi
East Branch Nimishillen Creek at Louisville OHRiver gauge, East Branch Nimishillen Creek	3.90 ft	Below flood stage	−0.19 ft	11 mi
Milton Reservoir near Pricetown OHReservoir, Milton Reservoir	947.25 ft	High	−0.15 ft	15 mi
Middle Branch Nimishillen Creek at Canton OHRiver gauge, Middle Branch Nimishillen Creek	1.32 ft	Below flood stage	−0.03 ft	15 mi
Michael J Kirwan Reservoir at Wayland OHReservoir, Michael J Kirwan Reservoir	981.01 ft	High	−0.03 ft	15 mi
West Branch Mahoning River at Wayland OHRiver gauge, West Branch Mahoning River	3.04 ft	Below flood stage	±0	16 mi
West Branch Nimishillen Creek at North Canton OHRiver gauge, West Branch Nimishillen Creek	3.65 ft	Below flood stage	−0.25 ft	16 mi
West Branch Mahoning River near Ravenna OHRiver gauge, West Branch Mahoning River	8.7 cfs	Normal	−4.9 cfs	17 mi

Questions and answers

Is the Mahoning River at Alliance OH higher than last year?

No, it is 0.09 ft lower than on the same day last year, when the reading was 3.83 ft.

What is a normal level for the Mahoning River at Alliance OH in mid-October?

The median for mid-October is 3.65 ft. In 8 years out of 10 the reading falls between 3.54 ft and 3.81 ft, based on 9 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 Mahoning River at Alliance OH today?

On Oct 18, 2026, 04:00 AM EDT, the water level was 3.74 ft. Steady over the last 24 hours.

Is Mahoning River at Alliance OH rising or falling?

Steady over the last 24 hours. Up 0.10 ft over the last 7 days.

Is the level of Mahoning River at Alliance OH normal?

High for mid-October. Compared with 9 years of daily readings for this time of year.

What is the highest water level ever recorded at Mahoning River at Alliance OH?

The highest level on record is 9.11 ft on January 21, 1959.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:03086500 (Agency page)
Coordinates: 40.93284, -81.09454 (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	3.74 ft	2026-10-18 08:00	Provisional
Water temperature	58 °F	2026-10-18 08:00	Provisional

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How to cite

U.S. Geological Survey: Mahoning River at Alliance OH (usgs:03086500). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/ohio/mahoning-river-at-alliance-oh

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