USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Allegheny County, Pennsylvania

Hydrologic Unit Code 05030101

Latitude 40°32'57", Longitude 80°12'21" NAD27

Drainage area 19,500 square miles

Gage datum 679.57 feet above NAVD88

**Period of record**
Begin Date	End Date	Count
1933-03-16	2024-09-26	596

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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: Pennsylvania Water Data Support Team
Page Last Modified: 2024-11-26 23:09:59 EST
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