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

National Award for Superior Communication Product

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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

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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.

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Pennsylvania Waters

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

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Flights Above Pennsylvania to Map Geology

USGS low-level airplane surveys beginning mid-August 2022

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

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USGS Releases the Pennsylvania Groundwater Quality Monitoring Network Data Exploration Tool

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

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

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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Water Quality of Domestic Wells in Marcellus Shale Region

Water Quality of Domestic Wells in Marcellus Shale Region

A new USGS study, in cooperation with the Pennsylvania Geological Survey, identifies factors affecting the quality of groundwater used for domestic...

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Northeastern U.S. Streams During Tropical Storm Henri

Northeastern U.S. Streams During Tropical Storm Henri

Streamflow and water level changed dramatically as Tropical Storm Henri made landfall in the northeastern U.S. in late August, 2021, as shown by the...

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Spring Grove Weir Removal

Spring Grove Weir Removal

Pennsylvania Water Science Center personnel remove broad-crested weir, Codorus Creek at Spring Grove

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Science Outreach at Riverview High School

Science Outreach at Riverview High School

USGS staff participated in science outreach at Riverview High School, where students learned about environmental science and took part in interactive...

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USGS Studies Low-Flow Changes in the Delaware River Basin

USGS Studies Low-Flow Changes in the Delaware River Basin

USGS scientists published a new study of low flow in streams in the Delaware River Basin. In general, the low flows measured during 1980-2018...

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