USGS Surface Water for USA: Streamflow Measurements

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Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

Streamflow Measurements for the Nation

01401595 Rock Brook near Blawenburg NJ

Somerset County, New Jersey

Hydrologic Unit Code 02030105

Latitude 40°24'47", Longitude 74°41'02" NAD83

Drainage area 9.03 square miles

Gage datum 63.45 feet above NGVD29

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

Page Contact Information: New Jersey Water Data Support Team
Page Last Modified: 2025-02-21 12:50:14 EST
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