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Available data

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Continuous data

2 data types available - data from 1990-10-05 to 2026-08-08

Daily data

1 data types available - data from 1939-08-02 to 2026-08-07

Field measurements

3 data types available - data from 1940-05-02 to 2026-06-05

Discrete sample data

153 Observed properties (data types) available - with data from 1967-05-11 to 1999-07-28

233 Sampling activities

Peak measurements

2 data types available - with data from 1940-05-03 to 2024-12-12

Statistical tables for select daily data types

1 data types available - data from 1939-08-02 to 2026-08-07

Important information about this monitoring location

The elevation of this station has been determined to be 1180.48 feet above NAVD 1988. To obtain stream water-surface elevation values in NAVD 1988 add 1180.48 feet to gage height values.

Location details and information

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USGS - Federal Priority Streamgages

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01137500	n/a
Location name	AMMONOOSUC RIVER AT BETHLEHEM JUNCTION, NH	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	44.268674103014	n/a
Decimal longitude (WGS84)	-71.6303617177238	n/a
Latitude-longitude method	Interpolated from MAP.	M
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
District	New Hampshire	33
State	New Hampshire	33
County	Grafton County	009
Country	United States of America	n/a
Altitude of gage/land surface	1180.48 feet	n/a
Method altitude determined	Level or other surveyed method.	L
Altitude accuracy	0.01 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Headwaters Connecticut River	01080101
Drainage basin		n/a
Date of first construction		n/a
Drainage area	87.6 square miles	n/a
Contributing drainage area		n/a
Time zone abbreviation	EST	n/a
Site honors Daylight Saving Time	Y	n/a
National aquifer		n/a
Local aquifer		n/a
Local aquifer type		n/a
Well depth		n/a
Hole depth		n/a
Source of depth data		n/a

Monitoring location Ammonoosuc River at Bethlehem Junction, NH - USGS-01137500