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

02246895 SAN SEBASTIAN RIVER AT ST. AUGUSTINE, FL

St. Johns County, Florida

Hydrologic Unit Code 03080201

Latitude 29°53'31", Longitude 81°19'22" NAD27

Drainage area 16.5 square miles

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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: Florida Water Science Center - Orlando Water Data Support Team
Page Last Modified: 2025-09-21 15:12:56 EDT
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