Ammonoosuc River at Bethlehem Junction water level

Name: Ammonoosuc River at Bethlehem Junction 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, Ammonoosuc River, New Hampshire, United States

Directions

Below flood stage

Water level

1.74ft Down 0.18 ft over the last 24 hours

Measured Oct 19, 2026, 11:30 AM EDT (1 hour ago)

Flow: 107 cfs

History

7 days

Water level Minor flood stage

What this means

The gauge at Ammonoosuc River at Bethlehem Junction reads 1.74 ft, a normal level.

It is 6.26 ft below the flood stage of 8.00 ft.

The level is falling, down 0.18 ft over the past 24 hours. Over the past 30 days it has moved between 1.69 ft and 2.62 ft.

Fall is often low-water season on rivers, until steadier rain returns.

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

Key numbers

Highest on record: 12.34 ftNovember 12, 1995

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 8.00 ft, still 6.26 ft away.

What happens at each level

12.00 ft: Flood comparable to December 2023. Significant flooding of a shopping area in Littleton off Meadow Road south of I-93 exit. Water to the bottom of the Pierce Bridge in Bethlehem and property off Route 302. Flooding also occurs along portions Route 116 or Whitefield Road. Portions of Feather Lane, Wing Road, Hazen Road, and Prospect Street are flooded.
10.00 ft: Water up to Wing Road south of Hazen Road. End portion of Garneau Road inundated.
9.00 ft: River Road inaccessible from Beech Hill Road to Moose Trail Road, cutting off properties.
8.00 ft: Flooding begins along River Road in the vicinity of Black Brook.
1.74 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	12.34 ft	November 12, 1995
2	12.15 ft	December 18, 2023
3	12.09 ft	October 24, 1959
4	11.96 ft	June 30, 1973
5	11.22 ft	March 27, 1953
6	10.90 ft	August 28, 2011
7	10.86 ft	November 26, 1950
8	10.69 ft	December 21, 1973
9	10.62 ft	September 11, 1954
10	10.14 ft	January 27, 1986

Weather at the gauge

The forecast is not available right now.

Sunrise 07:07 AM Sunset 05:57 PM Daylight 10 hr, 50 min First quarter 60%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Connecticut River near DaltonRiver gauge, Connecticut River	9.06 ft	Below flood stage	−0.96 ft	11 mi
East Branch Pemigewasset River at LincolnRiver gauge, East Branch Pemigewasset River	150 cfs	Normal	−30.0 cfs	15 mi
Moose River at VictoryRiver gauge, Moose River	72.5 cfs	Normal	−33.5 cfs	20 mi
Pemigewasset River at WoodstockRiver gauge, Pemigewasset River	2.74 ft	Below flood stage	−0.15 ft	20 mi
Passumpsic River at PassumpsicRiver gauge, Passumpsic River	2.60 ft	Below flood stage	−0.33 ft	21 mi
Saco River at River Street, at BartlettRiver gauge, Saco River	2.93 ft	Below flood stage	−0.08 ft	21 mi
Connecticut River at Wells RiverRiver gauge, Connecticut River	2.45 ft	Below flood stage	−0.27 ft	22 mi
Wells River at Wells RiverRiver gauge, Wells River	1.87 ft	Below flood stage	−0.15 ft	23 mi

Questions and answers

What is flood stage for the Ammonoosuc River at Bethlehem Junction?

The official flood stage is 8.00 ft. The level is currently 6.26 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 Ammonoosuc River at Bethlehem Junction today?

On Oct 19, 2026, 11:30 AM EDT, the water level was 1.74 ft. Down 0.18 ft over the last 24 hours.

Is Ammonoosuc River at Bethlehem Junction rising or falling?

Down 0.18 ft over the last 24 hours.

Is the level of Ammonoosuc River at Bethlehem Junction normal?

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

What is the highest water level ever recorded at Ammonoosuc River at Bethlehem Junction?

The highest level on record is 12.34 ft on November 12, 1995.

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:01137500 (Agency page)
Coordinates: 44.26867, -71.63036 (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	1.74 ft	2026-10-19 15:30	Provisional
Flow	107 cfs	2026-10-19 15:30	Provisional

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How to cite

U.S. Geological Survey: Ammonoosuc River at Bethlehem Junction (usgs:01137500). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/new-hampshire/ammonoosuc-river-at-bethlehem-junction

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