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

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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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Pennsylvania Waters

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

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

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Drought Watch/Warning Continues for 29 Pennsylvania Counties

Drought Watch/Warning Continues for 29 Pennsylvania Counties

USGS groundwater and surface water monitoring data contributed to the Pennsylvania Department of Environmental Protection's (PaDEP) April 2, 2025...

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York County Water Quality Monitoring

York County Water Quality Monitoring

A new interactive dashboard from USGS presents monitoring data since 2019 for six watersheds in York County, Pennsylvania, including sediment and...

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Pennsylvania's Long-Term Surface-Water Quality Network

Pennsylvania's Long-Term Surface-Water Quality Network

A new USGS geonarrative presents the history of, and findings from, monitoring of the quality of water in Pennsylvania’s rivers, streams, and lakes. 

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USGS Releases Geonarrative Highlighting Water Quality Monitoring Efforts in the Chiques and Swatara Creek Watersheds

USGS Releases Geonarrative Highlighting Water Quality Monitoring Efforts in the Chiques and Swatara Creek Watersheds

USGS, in cooperation with the Pennsylvania Office of the Natural Resources Conservation Service, has released a geonarrative highlighting the USGS...

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USGS Releases Geonarratives Documenting Monitoring Activities in Chester County, Pennsylvania

USGS Releases Geonarratives Documenting Monitoring Activities in Chester County, Pennsylvania

The USGS has had a cooperative program with Chester County since 1969 to measure and describe water resources in the county. Cooperation has been...

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USGS Releases Geonarrative Documenting Results of Pesticide Sampling in Pennsylvania Groundwater

USGS Releases Geonarrative Documenting Results of Pesticide Sampling in Pennsylvania Groundwater

USGS, in cooperation with the Pennsylvania Department of Agriculture (PDA), has released a geonarrative detailing the sampling of pesticides in...

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USGS article featured on the cover of the July/August issue of Journal of Environmental Quality

USGS article featured on the cover of the July/August issue of Journal of Environmental Quality

A USGS fieldwork photo was recently featured on the cover of the July/August 2024 issue of Journal of Environmental Quality*. 

The issue includes the...

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USGS Updates Philadelphia Water Resources Monitoring Web Tool

USGS Updates Philadelphia Water Resources Monitoring Web Tool

USGS, in cooperation with the Philadelphia Water Department, updated the Philadelphia Water Resources Monitoring Web Tool.

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USGS Updates Pennsylvania Drought Condition Web Tool

USGS Updates Pennsylvania Drought Condition Web Tool

USGS, in cooperation with the Pennsylvania Department of Environmental Protection, updated the Pennsylvania Drought Condition Web Tool.

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