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Coronavirus (COVID-19) Update
We are operating at maximum telework and continue to conduct the important work of the USGS, including maintaining mission essential and critical functions. We have implemented new safety and fieldwork processes to maintain social distancing to ensure the safety of our employees and communities while following all guidance from the White House, Department of the Interior, USGS, Centers for Disease Control and Prevention (CDC), and Pennsylvania state and local authorities.

Follow coronavirus.gov for the latest COVID-19 information from the federal government

News

April 7, 2021

Pennsylvania Waters - Spring 2021 - Issue 4

This issue of our Pennsylvania Water Science Center Newsletter highlights USGS data on the occurrence of PFAS contaminants in surface waters across the Commonwealth, a first-of-its-kind survey, in cooperation with the Pennsylvania Department of Environmental Protection. USGS identified likely causes for changing low-flow statistics for streams in the Delaware River Basin, and there's more.

Date published: April 6, 2021

USGS at the 2021 Pennsylvania Groundwater Symposium (Virtual)

USGS scientists will present recent research results and update stakeholders on USGS groundwater activities at the 2021 Pennsylvania Groundwater Symposium (Virtual) on May 6, 2021.

Date published: April 6, 2021

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 increased along with increased precipitation, although low flows decreased in the Coastal Plain area, in the southern part of the basin, where water use and impervious surface...

Publications

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Year Published: 2021

Geophysical and video logs of selected wells at and near the former Naval Air Warfare Center Warminster, Bucks County, Pennsylvania, 2017-19

The U.S. Geological Survey (USGS) collected borehole geophysical and video logs in 17 open-hole wells in Northampton, Warminster, and Warwick Townships, Bucks County, Pennsylvania during 2017–19 to support detailed groundwater investigations at and near the former Naval Air Warfare Center (NAWC) Warminster, where groundwater contamination with per...

Senior, Lisa A.; Anderson, J. Alton; Bird, Philip H.
Senior, L.A., Anderson, J.A., and Bird, P.H., 2021, Geophysical and video logs of selected wells at and near the former Naval Air Warfare Center Warminster, Bucks County, Pennsylvania, 2017–19: U.S. Geological Survey Open-File Report 2021–1025, 92 p., https://doi.org/10.3133/ofr20211025.

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Year Published: 2021

Evaluating low flow patterns, drivers and trends in the Delaware River Basin

In the humid, temperate Delaware River Basin (DRB) where water availability is generally reliable, summer low flows can cause competition between various human and ecological water uses. As temperatures continue to rise, population increases and development expands, it is critical to understand historical low flow variability to anticipate and...

Hammond, John; Fleming, Brandon J.

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Year Published: 2021

Environmental and anthropogenic drivers of contaminants in agricultural watersheds with implications for land management

If not managed properly, modern agricultural practices can alter surface and groundwater quality and drinking water resources resulting in potential negative effects on aquatic and terrestrial ecosystems. Exposure to agriculturally derived contaminant mixtures has the potential to alter habitat quality and negatively affect fish and other aquatic...

Smalling, Kelly; Devereux, Olivia H.; Gordon, Stephanie; Phillips, Patrick J.; Blazer, Vicki S.; Hladik, Michelle; Kolpin, Dana W.; Meyer, Michael T.; Sperry, Adam; Wagner, Tyler