Allagash River near Allagash, Maine water level

Name: Allagash River near Allagash, Maine 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, Allagash River, Maine, United States

Directions

Below flood stage

Water level

2.28ft Down 0.08 ft over the last 24 hours

Measured Oct 20, 2026, 01:00 PM EDT (46 min ago)

Flow: 473 cfs
Water temperature: 57 °F

History

7 days

Water level Minor flood stage

What this means

Water levels are unremarkable at Allagash River near Allagash, Maine, where the gauge shows 2.28 ft.

It is 12.72 ft below the flood stage of 15.00 ft.

It is still going down, by 0.08 ft over the past 24 hours. The 30-day range is 2.28 ft – 2.50 ft.

Fall is often low-water season on rivers, until steadier rain returns. The sensor also reports a water temperature of 57 °F.

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

Key numbers

Highest on record: 19.78 ftApril 10, 1991

Paddling and fishing conditions

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

For reference, flood stage is 15.00 ft.

What happens at each level

19.00 ft: Widespread significant flooding upstream of Eliza Hole Rapids. Michaud Tote Road and Inn Road impassable. Numerous camp roads flooded. River side campsites between Allagash Falls and Eliza Hole Rapids completely inundated. Flooding similar to April 1983 and 1991.
17.00 ft: Significant flooding of Michaud Tote Road and Inn Road in the town of Allagash. Floodwaters threaten Route 161 in the town of Allagash combined with St. John River conditions. Campsites inundated between Allagash Falls and Eliza Hole Rapids.
15.00 ft: Minor low lying flooding occurs between Allagash Falls and the town of Allagash. River campsites flooded between McGargle Rocks to Eliza Hole Rapids.
13.00 ft: River approaches bankfull. River begins to threaten low lying campsites between Allagash Falls and Eliza Hole Rapids.
2.28 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: < 5 %.

Rank	Level	Date
1	19.78 ft	April 10, 1991
2	19.48 ft	April 18, 1983
3	17.55 ft	April 6, 1988
4	14.89 ft	April 30, 2008
5	14.43 ft	April 3, 1975
6	14.22 ft	April 22, 1933
7	14.16 ft	April 23, 1960
8	13.83 ft	April 26, 1970
9	13.18 ft	April 24, 2007
10	13.14 ft	May 1, 1939

Weather at the gauge

No rain in the last 3 days.

20 Tue 50° 34° – Wind 10 mph

21 Wed 49° 33° – Wind 5 mph

22 Thu 48° 33° – Wind 12 mph

23 Fri 44° 29° – Wind 11 mph

24 Sat 53° 29° – Wind 9 mph

25 Sun 58° 34° – Wind 12 mph

26 Mon 58° 44° – Wind 11 mph

Forecast: Open-Meteo

Sunrise 07:02 AM Sunset 05:42 PM Daylight 10 hr, 40 min Waxing gibbous 70%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
St. John River at Dickey, MaineRiver gauge, St. John River	4.81 ft	Below flood stage	−0.25 ft	3.0 mi
St. Francis River at Outlet of Glasier LakeRiver gauge, St. Francis River	0.69 m	Low	+0.01 m	18 km
Fish River near Fort Kent, MaineRiver gauge, Fish River	2.97 ft	Below flood stage	−0.03 ft	26 mi
St. John River below Fish R, near Fort Kent, MaineRiver gauge, St. John River	4.33 ft	Below flood stage	−0.21 ft	28 mi
Big Black River near Depot Mtn, MaineRiver gauge, Big Black River	3.67 ft	Below flood stage	−0.18 ft	34 mi
St. John River at Ninemile Bridge, MaineRiver gauge, St. John River	1.93 ft	Below flood stage	−0.29 ft	39 mi
Saint John River at EdmundstonRiver gauge, Saint John River	134.61 m	Low	+0.01 m	66 km
Iroquois River at Moulin MorneaultRiver gauge, Iroquois River	3.42 m	Very low	−0.01 m	70 km

Questions and answers

What is flood stage for the Allagash River near Allagash, Maine?

The official flood stage is 15.00 ft. The level is currently 12.72 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 Allagash River near Allagash, Maine today?

On Oct 20, 2026, 01:00 PM EDT, the water level was 2.28 ft. Down 0.08 ft over the last 24 hours.

Is Allagash River near Allagash, Maine rising or falling?

Down 0.08 ft over the last 24 hours.

Is the level of Allagash River near Allagash, Maine normal?

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

What is the highest water level ever recorded at Allagash River near Allagash, Maine?

The highest level on record is 19.78 ft on April 10, 1991.

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:01011000 (Agency page)
Coordinates: 47.06972, -69.07944 (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	2.28 ft	2026-10-20 17:00	Provisional
Flow	473 cfs	2026-10-20 17:00	Provisional
Water temperature	57 °F	2026-10-01 04:45	Provisional

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How to cite

U.S. Geological Survey: Allagash River near Allagash, Maine (usgs:01011000). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/maine/allagash-river-near-allagash-maine

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