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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

Date published: May 14, 2021

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 learning experiences.

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 presented recent research results and updated stakeholders on USGS groundwater activities at the 2021 Pennsylvania Groundwater Symposium (Virtual) on May 6, 2021.

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

Machine-learning predictions of high arsenic and high manganese at drinking water depths of the glacial aquifer system, northern continental United States

Globally, over 200 million people are chronically exposed to arsenic (As) and/or manganese (Mn) from drinking water. We used machine-learning (ML) boosted regression tree (BRT) models to predict high As (>10 μg/L) and Mn (>300 μg/L) in groundwater from the glacial aquifer system (GLAC), which spans 25 states in the northern United States and...

Erickson, Melinda L.; Elliott, Sarah M.; Brown, Craig J.; Stackelberg, Paul; Ransom, Katherine Marie; Reddy, James E.; Cravotta, Charles A.

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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.