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Nitrogen in the Chesapeake Bay Watershed - A Century of Change, 1950-2050

National Award for Superior Communication Product

News Event

Updating Pennsylvania Streamgage Datums

Over the next year, streamgage datums will be updated to reflect elevations in North American Vertical Datum of 1988 (NAVD88).

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Water Quality of Domestic Wells in Marcellus Region

New USGS study identifies factors affecting quality of groundwater used for domestic supply in north-central and north-east Pennsylvania

Center News

USGS Upgrades StreamStats for Pennsylvania

More accurate basin delineations and basin characteristics, and improved estimates of streamflow are now available for any stream location in PA.

Center News

Pennsylvania Waters

Our Center newsletter highlights recent happenings, new projects and publications, and more related to Pennsylvania's water resources.

Newsletters

Flights Above Pennsylvania to Map Geology

USGS low-level airplane surveys beginning mid-August 2022

News Release

News from USGS about Pennsylvania's water resources and related science

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Drought Watch Remains for 19 Counties, York County Moved to Drought Warning

USGS groundwater and surface water monitoring data contributed to the Pennsylvania Department of Environmental Protection's (PaDEP) September 22, 2023...

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USGS Releases Products Documenting Effects of Hurricane Ida

The USGS Pennsylvania Water Science Center released three new products documenting the catastrophic flooding which resulted from Hurricane Ida on...

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PFAS chemicals detected in many rivers and streams across Pennsylvania

Water samples from 161 Pennsylvania rivers and streams were tested for 33 different per- and polyfluoroalkyl substances and 76% of the studied streams...

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USGS and Partners Examine Causes of Increasing Salinity in Southeastern Pennsylvania Streams

Villanova University's Department of Geography and the Environment, in partnership with USGS and Aqua Pennsylvania*, examined the effects of land...

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50th Anniversary of Hurricane Agnes

“Beginning on June 18, 1972, the remains of Hurricane Agnes produced floods in the Eastern United States from Virginia to New York that killed 128 peo...

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USGS Releases the Pennsylvania Groundwater Quality Monitoring Network Data Exploration Tool

New “Pennsylvania Groundwater Quality Monitoring Network Data Exploration Tool” displays monitoring results on an interactive map.

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USGS at the Pennsylvania Groundwater Symposium

Penn State Extension and the Pennsylvania Department of Environmental Protection, along with numerous other sponsors, hosted the annual Pennsylvania...

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New Report on Pennsylvania Groundwater Quality Monitoring Network Results, 2015-19

A new USGS study, in cooperation with the Pennsylvania Department of Environmental Protection, explains 2015-2019 results from the Pennsylvania...

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