Shale Gas Drilling Rig
States L2 Landing Page Tabs
USGS's Pennsylvania water-resources roots date back to the late 1800's, with the initiation of streamflow gaging on the Delaware and Susquehanna Rivers and evaluation of groundwater resources in various parts of the Commonwealth. Today Pennsylvania Water Science Center's cadre of nearly100 scientists, technicians and support staff throughout the state collect scientific data to inform the public.
This habitat system is characterized as tidally influenced freshwater systems, which provide critical habitat for many migratory (diadromous) fish species. Characteristic species that inhabit this zone include mussels, sturgeon, shad, herring, alewife, American eel, striped bass, and perch.
Freshwater mussels are considered ecosystems engineers benefiting the streams and rivers they inhabit through filtration, biodeposition, and nutrient cycling, thereby influencing water quality. However, many of these species are rapidly declining due to shifting environmental conditions and habitat loss. Researchers at Leetown Science Center are evaluating how different species of mussels...
Floodplain and wetland areas provide critical ecosystem services to local and downstream communities by retaining sediments, nutrients, and floodwaters. The loss of floodplain functionality due to land use conversion and degradation reduces the provisioning of these services. Assessing, quantifying, and valuing floodplain ecosystem services provide a framework to estimate how floodplain...
This research seeks to objectively determine the relative risks due to future sea-level rise for the U.S. Atlantic, Pacific, and Gulf of Mexico coasts. Research is part of National Assessment of Coastal Change Hazards project.
Goals of this project include developing and improving coastal-change assessments and supporting long-term planning and decision making to ensure sustainable coastal economies, infrastructure, and ecosystems. Research is part of the National Assessment of Coastal Change Hazards...
Research to identify areas that are most vulnerable to coastal change hazards including beach and dune erosion, long-term shoreline change, and sea-level rise.
The Conowingo Dam on the Susquehanna River is at about 92 percent capacity for sediment storage according to new U.S. Geological Survey research.
The federal agencies leading the watershed-wide effort to restore the Chesapeake Bay have released a progress report highlighting work completed in the 2015 fiscal year.
National Water Information System (NWIS)
The National Water Information System (NWIS) web application provides access to surface-water, groundwater, water-quality, and water-use data collected at approximately 1.5 million sites across all 50 states.
National Water Information System (NWIS) Mapper
The National Water Information System (NWIS) Mapper provides access to water-resources data at over 1.5 million sites across the U.S., including current and historical data. Users can search by site type, data type, site number, or place.
USGS data portray selected structures data, including the location and characteristics of manmade facilities. Characteristics consist of a structure's physical form (footprint), function, name, location, and detailed information about the structure. The types of structures collected are largely determined by the needs of the disaster planning and response and homeland security organizations.
Boundaries data or governmental units represent major civil areas including states, counties, Federal, and Native American lands, and incorporated places such as cities and towns.
The National Hydrography Dataset (NHD) and Watershed Boundary Dataset (WBD) are used to portray surface water on The National Map.
The United States Interagency Elevation Inventory (USIEI)
The USIEI is a comprehensive, nationwide listing of known high-accuracy topographic and bathymetric data for the United States and its territories. The project is a collaborative effort of the USGS and NOAA with contributions from other federal agencies. The inventory supports the 3D Elevation Program and the Integrated Ocean and Coastal Mapping effort. This resource is updated in Spring and Fall.
The 3DEP products and services available through The National Map consist of lidar point clouds (LPC), standard digital elevation models (DEMs) at various horizontal resolutions, elevation source and associated datasets, an elevation point query service and bulk point query service. All 3DEP products are available, free of charge and without use restrictions.
Orthoimagery data typically are high resolution aerial images that combine the visual attributes of an aerial photograph with the spatial accuracy and reliability of a planimetric map. The National Map offers public domain, 1-meter orthoimagery for the conterminous United States with many urban areas and other locations at 2-foot or finer resolution.
The National Map Small-Scale Collection
The National Map offers a collection of small-scale datasets, most of which are at 1:1,000,000. The National Map publishes two data collections at one million-scale: one for Global Map users and one for National Map users. In terms of vector geometry, the lines, points, and areas in these data collections are identical. The difference is in the attributes assigned to these features.
2002 Total Phosphorus Model for the Chesapeake Bay Watershed
2002 Total Nitrogen Model for the Chesapeake Bay Watershed
The 3DEP products and services available through The National Map consist of standard digital elevation models (DEMs) at various horizontal resolutions, elevation source and associated datasets, an elevation point query service and bulk point query service. All 3DEP products are available, free of charge and without use restrictions.
The USGS Storm Tide Mapper is a tool for viewing, analyzing, and accessing storm tide data collected during and after hurricanes and Nor’easters. The USGS Storm Tide Mapper will continue to provide a unified and consistent source of real-time and archived storm-tide data.
Historical files from Federal Government mineral exploration-assistance programs, 1950 to 1974
The Defense Minerals Administration (DMA), Defense Minerals Exploration Administration (DMEA), and Office of Minerals Exploration (OME) mineral exploration programs were active over the period 1950–1974. Under these programs, the Federal Government contributed financial assistance in the exploration for certain strategic and critical minerals. The...Frank, David G.
U.S. Geological Survey Chesapeake science strategy, 2015-2025—Informing ecosystem management of America’s largest estuary
Executive Summary The U.S. Geological Survey (USGS) has the critical role of providing scientific information to improve the understanding and management of the Chesapeake Bay ecosystem. The USGS works with Federal, State, and academic science partners to provide research and monitoring, and communicate results of these activities to enhance...Phillips, Scott; Blomquist, Joel D.; Phillips, Scott; Blomquist, Joel D.; Bennett, Mark; Berlin, Alicia; Blazer, Vicki; Claggett, Peter; Faulkner, Stephen; Hyer, Kenneth; Ladino, Cassandra; Moyer, Douglas; Muir, Rachel; Noe, Gregory; Phillips, Patrick J.
Drilling and geophysical logs of the tophole at an oil-and-gas well site, Central Venango County, Pennsylvania
In a study conducted by the U.S. Geological Survey, in cooperation with the Pennsylvania Department of Conservation and Natural Resources, Bureau of Topographic and Geologic Survey, drilling and geophysical logs were used to characterize the geohydrologic framework and the freshwater and saline-water zones penetrated by the tophole at an oil-and-...Williams, John H.; Bird, Philip H.; Conger, Randall W.; Anderson, J. Alton
Areal distribution and concentrations of contaminants of concern in surficial streambed and lakebed sediments, Lake Erie-Lake Saint Clair Drainages, 1990-97
Concerns about elevated concentrations of contaminants such as polychlorinated biphenyls and mercury in aquatic bed sediments throughout the Great Lakes Basin have resulted in a need for better understanding of the scope and severity of the problem. Various organochlorine pesticides, polychlorinated biphenyls, trace metals, and polycyclic aromatic...Rheaume, S.J.; Button, D.T.; Myers, Donna N.; Hubbell, D.L.
Water quality in the Lake Erie-Lake Saint Clair Drainages; Michigan, Ohio, Indiana, New York, and Pennsylvania, 1996-98
This report summarizes major findings about water quality in the Lake Erie-Lake Saint Clair Drainages that emerged from an assessment conducted between 1996 and 1998 by the U.S. Geological Survey (USGS) National Water-Quality Assessment (NAWQA) Program. Water quality is discussed in terms of local and regional issues and compared to conditions...Myers, Donna N.; Thomas, Mary Ann; Frey, Jeffrey W.; Rheaume, Stephen J.; Button, Daniel T.
Estimation of Baseline Daily Mean Streamflows for Ungaged Locations on Pennsylvania Streams, Water Years 1960–2008
This is an introductory video to an adaptive management approach for the invasive plant Phragmites australis in the Great Lakes basin. An adaptive management framework is an iterative process of robust decision making aimed at reducing uncertainty over time, for a variety of stakeholders with differing backgrounds and interests, via system monitoring.
A typical rural scene in Lycoming County, Pennsylvania, with farms, forests and rolling hills.
Brian Selck, a USGS National Association of Geoscience Teachers intern, collects a water level measurement from a domestic well at a site north of Jersey Shore in Lycoming County, Pennsylvania, June 2014.
A carbonatite here, a glacial moraine there, a zig-zagging fault or two, even a behemoth of a batholith. The geology of the 50 States is an enormous patchwork of varied forms, beautiful in their variance but challenging to present as a single map.
Low- and no-oxygen area threatens crabs, oysters, fish
A new U.S. Geological Survey study has discovered high levels of radon in wells across certain areas of Pennsylvania.
Tests of 75 private drinking water wells in Lycoming County, in north-central Pennsylvania, found water from most of the sampled wells contained concentrations of radon that exceeded a proposed, nonbinding health standard for drinking water. Smaller percentages of the wells contained concentrations of arsenic or methane that exceed existing drinking water standards.
Human and bovine, or cattle, viruses were detected in a small percentage of some Great Lakes Basin streams, with human viruses more prevalent in urban streams and bovine viruses more common in streams in agricultural areas, according to a recent U.S. Geological Survey-led study.
Philadelphia communities along the Schuylkill River and Darby Creek now have new tools to help inform residents of impending flooding. The U.S. Geological Survey recently installed three new streamgages in Manayunk, Eastwick, and downtown near 30th St., which will monitor water levels, and provide vital data used by emergency managers and flood forecasters to help protect lives and property.
A regional assessment of untreated groundwater in the combined Valley and Ridge and Piedmont and Blue Ridge aquifers in the eastern United States is now available from the U.S. Geological Survey.
The local home page, "Wellsboro Home Page", did a nice write-up on NARL in Wellsboro, PA on November 18, 2016, The famous "fish hatchery" is more than meets the eye!
When a moving barge encounters small fish in the Illinois Waterway there is a possibility that the fish will become trapped in the gap between barges, according to a new study by the U.S. Fish and Wildlife Service and the U.S. Geological Survey.
First-of-its-kind survey shows that algal toxins are found nationwide
A new study from the USGS assesses water quality data for the Juniata River Basin in Western Blair County, Pennsylvania.