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

03049819 Girtys Run above Grant Avenue at Millvale, PA

Allegheny County, Pennsylvania

Hydrologic Unit Code 05010009

Latitude 40°28'40.2", Longitude 79°58'12.1" NAD83

Drainage area 13.4 square miles

Gage datum 716.8 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://nwis.waterdata.usgs.gov/nwis/measurements?

Page Contact Information: Pennsylvania Water Data Support Team
Page Last Modified: 2025-07-19 15:26:23 EDT
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