USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Available data for this site

Grafton County, New Hampshire

Hydrologic Unit Code 01080101

Latitude 44°16'07", Longitude 71°37'51" NAD27

Drainage area 87.6 square miles

Gage datum 1,180.48 feet above NAVD88

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U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Streamflow Measurements
URL: https://waterdata.usgs.gov/nwis/measurements?

Page Contact Information: New Hampshire Water Data Support Team
Page Last Modified: 2025-10-07 00:45:25 EDT
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01137500 AMMONOOSUC RIVER AT BETHLEHEM JUNCTION, NH