Regions

Wisconsin

States L2 Landing Page Tabs

Through advanced research and long-term monitoring, three Wisconsin-based USGS centers-the National Wildlife Health Center, the Upper Midwest Environmental Sciences Center, and the Upper Midwest Water Science Center-provide the scientific information needed by managers, decision makers, and the public to protect, enhance, and restore ecosystems, water resources, and wildlife health in the Midwest.

National Wildlife Health Center

National Wildlife Health Center

Science Center Link

Upper Midwest Environmental Sciences Center

Upper Midwest Environmental Sciences Center

Science Center Link

Upper Midwest Water Science Center - Wisconsin

Upper Midwest Water Science Center - Wisconsin

Science Center Link

News

Phragmites australis on the Shore of Lake St. Clair
April 12, 2019

Phragmites Adaptive Management Framework (PAMF) 

Photo of a rural wadeable stream in Wisconsin
February 19, 2019

Two types of human-associated bacteria and three types of human viruses were detected in Milwaukee streams within the Menomonee River watershed, according to a recent study led by the U.S. Geological Survey.

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Application to explore US Oil and Gas Assessments
Date Published: April 19, 2019
Status: Active

United States Assessments of Undiscovered Oil and Gas Resources

USGS Energy Resources Program provides periodic assessments of the oil and natural gas endowment of the United States and the World (click here for information about World Oil and Gas Assessments).  This website provides access to new, prioritized, assessment results and supporting data for the United States, as part...

Photo of a typical edge-of-field surface site
Date Published: April 12, 2019
Status: Active

Edge-of-field monitoring

Edge-of-field monitoring focuses on identifying and reducing agricultural sources of excess nutrients which can threaten the health of streams, rivers, and lakes. Edge-of-field monitoring assesses the quantity and quality of agricultural runoff and evaluates the effectiveness of conservation practices that aim to reduce nutrient loss.

Parents and children enjoying the beach in Macomb County, Michigan with seagulls.
Date Published: April 8, 2019
Status: Active

Enhance Great Lakes Beach Recreational Water Quality Decision Making

Important questions about beach closures and management remain unanswered in the Great Lakes where over 500 beaches are routinely used along the nearly 11,000 miles of coastline. The economies of coastal areas are dependent on public confidence in the quality of water at the shoreline, and beach managers need reliable science-based information to make beach closure and beach management...

Contacts: Carrie Givens
Image showing an optical sensor system used to test wastewater.
Date Published: April 6, 2019
Status: Active

Using optical sensors to detect sewage contamination in the Great Lakes

In the Great Lakes, large volumes of sewage never make it to wastewater treatment plants due to illicit discharges and leaking sewer infrastructure, but contamination can be difficult to detect. This study will define the utility and practicality of using optical sensors to identify the sources and timing of sewage contamination in surface water and storm sewers in real-time field settings....

Contacts: Steven R Corsi
FluEgg Theory
Date Published: April 5, 2019
Status: Active

Development of a FluEgg Model for the St. Croix River

The USGS partnered with the Minnesota Department of Natural Resources to collect hydraulic and water chemistry data in the lower St. Croix River for development of a model that predicts the probability of successful egg hatching and survival of juvenile invasive carp over a range of water temperature and streamflow conditions.

Locations of sites sampled along US tributaries to the Great Lakes
Date Published: April 4, 2019
Status: Active

Chemicals of Concern in the Great Lakes Basin

The Great Lakes are an important freshwater source of drinking water, fisheries, and habitat. Chemicals of concern are introduced to the environment by human activities, but resulting ecological consequences are little understood. With federal and University partners, we are characterizing the presence of contaminants and potential effects to fish in Great Lakes tributaries.

Contacts: Sarah M Elliott, Stephanie Hummel
Streamgage mounted to bridge, view facing downstream river at dusk
Date Published: April 3, 2019
Status: Active

Measuring Suspended-Sediment Concentrations, Grain Sizes and Bedload using Acoustic Doppler Velocity Meters and Echologgers in the Lower Chippewa River, Wisconsin

Sediment from the Chippewa River deposits in the Mississippi River navigation channel, sometimes disrupting commercial barge traffic and resulting in expensive and ecologically disruptive dredging operations. The USGS is using new applications of hydroacoustic technologies to better understand sediment transport in the Chippewa River and associated effects on commercial navigation.

Photo of a tree-lined street in Fond du Lac, Wisconsin
Date Published: April 3, 2019
Status: Active

Monitoring and predicting the impacts of trees on urban stormwater volume reduction

Much has been learned about how effectively individual green infrastructure practices can reduce stormwater volume, however, the role of urban trees in stormwater detention is poorly understood. This study will quantify the effect of tree removal on the urban hydrologic cycle and measure the impact that trees have on stormwater runoff volume.

Contacts: William R Selbig, Steve Loheid, Bill Shuster, Dave Nowak
Photo of fall leaves clogging a storm sewer outfall
Date Published: April 2, 2019
Status: Active

Using leaf collection and street cleaning to reduce nutrients in urban stormwater

Decaying organic materials, like leaf litter, can release excess nutrients into local streams and lakes, causing eutrophication and algal blooms. To determine if a municipal leaf collection and street cleaning program can reduce nutrients in stormwater runoff, the USGS measured phosphorus and nitrogen in stormwater from residential areas in Madison, Wis.

Contacts: William R Selbig, Greg Fries, Phil Gaebler, Paul Dearlove, Christal Campbell, Casey Eggelston, Stephen McCracken
Photos show change in water clarity in agricultural runoff before and after a grassed waterway was installed
Date Published: March 23, 2019
Status: Active

Edge-of-field monitoring: Great Lakes Restoration Initiative (GLRI)

Great Lakes Restoration Initiative edge-of-field monitoring focuses on identifying and reducing agricultural sources of excess nutrients which threaten the health of the Great Lakes. The USGS supports these efforts by utilizing edge-of-field monitoring to assess the quantity and quality of agricultural runoff and evaluate conservation practices that aim to reduce sediment and nutrient loss....

Final installation of permeable pavement study test plots
Date Published: March 18, 2019
Status: Completed

Evaluating the potential benefits of permeable pavement on the quantity and quality of stormwater runoff

Permeable pavement is a porous urban surface which catches precipitation and surface runoff, storing it in the reservoir while slowly allowing it to infiltrate into the soil below. This study will evaluate how well different types of permeable pavement reduces the amount of pollutants and runoff volume.

Photgraph of USGS employee surveying snowbanks at General Mitchell International Airport
Date Published: March 17, 2019
Status: Completed

Evaluating the impacts of aircraft deicers in runoff from General Mitchell International Airport, Milwaukee, Wis.

Chemicals used to deice planes at General Mitchell International Airport in Milwaukee may be entering nearby streams in concentrations that may be harmful to aquatic life. This project will investigate the toxicity of decing chemicals, evaluate their impact on receiving streams, and assess changes in water quality in response to the implementation of deicer management at General Mitchell...

Contacts: Steven R Corsi
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Web Application
/data-tools/national-water-information-system-nwis-mapper

National Water Information System (NWIS) Mapper

NWIS Mapper screenshot
March 5, 2019

The NWIS mapper provides access to over 1.5 million sites contained in the USGS National Water Information System (NWIS), including sites where current and historical surface-water, groundwater, springs, and atmospheric data has been collected. Users can search by site type, data type, site number, or place.

Web Application
/data-tools/national-ground-water-monitoring-network-ngwmn-data-portal

National Ground-Water Monitoring Network (NGWMN) Data Portal

Screenshot of National Ground-Water Monitoring Network (NGWMN) data portal
March 4, 2019

The NGWMN Data Portal provides access to groundwater data from multiple, dispersed databases in a web-based mapping application. The Portal contains current and historical data including water levels, water quality, lithology, and well construction.

GIS Data
/data-tools/downloadable-data-superior-oil-and-gas-assessments

Downloadable Data for Superior Oil and Gas Assessments

Image of data download web page
December 6, 2018

GIS Data for Superior Province Oil and Gas Assessments

GIS Data
/data-tools/downloadable-data-michigan-basin-oil-and-gas-assessments

Downloadable Data for Michigan Basin Oil and Gas Assessments

Image of data download web page
November 30, 2018

GIS Data for Michigan Basin Oil and Gas Assessments 

Web Application
/data-tools/usgs-domestic-continuous-unconventional-oil-gas-assessments-2000-present

USGS Domestic Continuous (Unconventional) Oil & Gas Assessments, 2000-Present

Interactive map and chart highlighting USGS Domestic Continuous (Unconventional) Oil & Gas Assessments, 2000-Present
August 28, 2018

Interactively explore assessment summary information for continuous (unconventional) assessments conducted at the USGS from 2000-2018. The assessment results data used to generate this visualization can be downloaded here in Excel Format.  These data represent all assessment results for Continuous Assessments only from 2000-2018.

Science Datasets
/data-tools/updated-aeromagnetic-and-gravity-anomaly-compilations-and-elevation-bathymetry-models

Updated aeromagnetic and gravity anomaly compilations and elevation-bathymetry models over Lake Superior

USGS
January 1, 2018

New gravity and magnetic compilations and elevation-bathymetry models have been compiled for the Lake Superior region. These data provide continuous sets of observations for geologic interpretations spanning political boundaries such as US States and the US-Canada border where bedrock geology is largely concealed beneath glacial deposits and surface water. These data are providing constraints for

Water
/data-tools/national-water-information-system-web-interface-nwisweb-0

National Water Information System web interface (NWISweb)

Application screenshot thumbnail
September 1, 2017

The National Water Information System (NWIS) web application provides access to real-time and historical surface-water, groundwater, water-quality, and water-use data collected at approximately 1.5 million sites across all 50 states.

GIS Data
/data-tools/application-wind-fetch-and-wave-models-habitat-rehabilitation-and-enhancement-projects

Application of Wind Fetch and Wave Models for Habitat Rehabilitation and Enhancement Projects - 2012 Update

Screen shot of Wind Fetch Model
March 8, 2017

Models based upon coastal engineering equations have been developed to quantify wind fetch length and several physical wave characteristics including significant height, length, peak period, maximum orbital velocity, and shear stress.

GIS Data
/data-tools/structures-data

Structures Data

Structure datasets for the nation from The National Map
April 20, 2016

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.

GIS Data
/data-tools/boundaries

Boundaries Data

Boundaries datasets for the nation from The National Map.
April 19, 2016

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.

GIS Data
/data-tools/hydrography-data

Hydrography Data

Illustration related to the the river corridor
April 19, 2016

The National Hydrography Dataset (NHD) and Watershed Boundary Dataset (WBD) are used to portray surface water on The National Map.

GIS Data
/data-tools/united-states-interagency-elevation-inventory-usiei

The United States Interagency Elevation Inventory (USIEI)

3D Lidar Point Cloud Image of San Francisco Bay and Golden Gate Bridge
April 19, 2016

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.

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Application to explore US Oil and Gas Assessments
March 19, 2019

This map shows the provinces assessed by the USGS for undiscovered oil and gas resources. 

 Grayscale Scanned 100K USGS Quadrangles
March 8, 2017

Grayscale Scanned 100K USGS Quadrangles

Screenshot of the FishVis mapper
November 19, 2016

The FishVis Mapper is the product of an Upper Midwest and Great Lakes LCC project, “A Regional Decision Support Tool for Identifying Vulnerabilities of Riverine Habitat and Fishes to Climate Change” that developed an approach for predicting fish species occurrence under current climate conditions and project how fish species occurrence may change under future climate conditions.

Digital Elevation Model in the Atchafalaya Basin, LA
April 19, 2016

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.

Bad River mapper
April 10, 2016

The Bad River Groundwater Model Mapper accompanies the report "Groundwater-Surface Water Interactions in the Bad River Watershed, Wisconsin". The mapper displays model inputs such as aquifer recharge and hydraulic conductivity; outputs including water-table elevations, groundwater-flow directions, and stream baseflows; and the results of an analysis evaluating potential monitoring well locations.

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Year Published: 2017

Sedimentology, sequence-stratigraphy, and geochemical variations in the Mesoproterozoic Nonesuch Formation, northern Wisconsin, USA

We use core descriptions and portable X-ray fluorescence analyses to identify lithofacies and stratigraphic surfaces for the Mesoproterozoic Nonesuch Formation within the Ashland syncline, Wisconsin. We group lithofacies into facies associations and construct a sequence stratigraphic framework based on lithofacies stacking and stratigraphic...

Kingsbury Stewart, Esther; Mauk, Jeffrey L.
Stewart, E. K., and Mauk, J. L., 2017, Sedimentology, sequence-stratigraphy, and geochemical variations in the Mesoproterozoic Nonesuch Formation, northern Wisconsin, USA: Precambrian Research, v. 294, p. 111-132.

Year Published: 2017

Constraining the thermal history of the North American Midcontinent Rift System using carbonate clumped isotopes and organic thermal maturity indices

The Midcontinent Rift System (MRS) is a Late Mesoproterozoic (∼1.1 Ga) sequence of volcanic and sedimentary rocks exposed in the Lake Superior Region of North America. The MRS continues to be the focus of much research due to its economic mineral deposits as well as its archive of Precambrian life and tectonic processes. In order to constrain...

Gallagher, Timothy M.; Sheldon, Nathan D.; Mauk, Jeffrey L.; Petersen, Sierra V.; Gueneli, Nur; Brocks, Jochen J.
Gallagher, T.M., Sheldon, N.D., Mauk, J.L., Petersen, S.V., Gueneli, N., and Brocks, J.J., 2016, Constraining the thermal history of the North American Midcontinent Rift System using carbonate clumped isotopes and organic thermal maturity indices: Precambrian Research, v. 294, p. 53-66.

Year Published: 2016

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.
Frank, D.G., 2016, Historical files from Federal Government mineral exploration-assistance programs, 1950 to 1974: U.S. Geological Survey Data Series 1004, http://dx.doi.org/10.3133/ds1004.

Year Published: 2015

A random-walk algorithm for modeling lithospheric density and the role of body forces in the evolution of the Midcontinent Rift

This paper develops a Monte Carlo algorithm for extracting three-dimensional lithospheric density models from geophysical data. Empirical scaling relationships between velocity and density create a 3D starting density model, which is then iteratively refined until it reproduces observed gravity and topography. This approach permits deviations from...

Levandowski, William Brower; Boyd, Oliver S.; Briggs, Richard W.; Gold, Ryan D.
Levandowski, W., Boyd, O., Briggs, R. and Gold, R. (2015), A random-walk algorithm for modeling lithospheric density and the role of body forces in the evolution of the Midcontinent Rift. Geochem. Geophys. Geosyst.. Accepted Author Manuscript. doi:10.1002/2015GC005961

Year Published: 2014

Isolation and molecular characterization of a novel picornavirus from baitfish in the USA

During both regulatory and routine surveillance sampling of baitfish from the states of Illinois, Minnesota, Montana, and Wisconsin, USA, isolates (n = 20) of a previously unknown picornavirus were obtained from kidney/spleen or entire viscera of fathead minnows (Pimephales promelas) and brassy minnows (Hybognathus hankinsoni). Following the...

Phelps, Nicholas B.D.; Mor, Sunil K.; Armien, Anibal G.; Batts, William N.; Goodwin, Andrew E.; Hopper, Lacey; McCann, Rebekah; Ng, Terry Fei Fan; Puzach, Corey; Waltzek, Thomas B.; Delwart, Eric; Winton, James; Goyal, Sagar M.

Year Published: 2011

Assessment of nutrient enrichment by use of algal-, invertebrate-, and fish-community attributes in wadeable streams in ecoregions surrounding the Great Lakes

The algal, invertebrate, and fish taxa and community attributes that best reflect the effects of nutrients along a gradient of low to high nutrient concentrations in wadeable, primarily midwestern streams were determined as part of the U.S. Geological Suvey's National Water-Quality Assessment (NAWQA) Program. Nutrient data collected from 64...

Frey, Jeffrey W.; Bell, Amanda H.; Hambrook Berkman, Julie A.; Lorenz, David L.
Assessment of nutrient enrichment by use of algal-, invertebrate-, and fish-community attributes in wadeable streams in ecoregions surrounding the Great Lakes; 2011; SIR; 2011-5009; Frey, Jeffrey W.; Bell, Amanda H.; Hambrook Berkman, Julie A.; Lorenz, David L.

Year Published: 2011

Grassland bird use of oak barrens and dry prairies in Wisconsin

Grassland bird populations have declined more than any other group of birds in North America and are of conservation concern to state and federal agencies. We determined relative abundances of grassland birds in oak barrens and dry sand prairies—native habitat types rare in the state of Wisconsin. We also investigated the association of...

Vos, Susan M.; Ribic, Christine A.
Grassland bird use of oak barrens and dry prairies in Wisconsin; 2011; Article; Journal; Natural Areas Journal; Susan, M. V.; Ribic, C. A.

Year Published: 2011

Northern goshawk monitoring in the western Great Lakes bioregion

Uncertainties about factors affecting Northern Goshawk (Accipiter gentilis) ecology and the status of populations have added to the challenge of managing this species. To address data needs for determining the status of goshawk populations, Hargis and Woodbridge (2006) developed a bioregional monitoring protocol based on estimating occupancy. The...

Bruggeman, Jason E.; Andersen, David E.; Woodford, James E.
Northern goshawk monitoring in the western great lakes bioregion; 2011; Article; Journal; Journal of Raptor Research; Bruggeman, J. E.; Andersen, D. E.; Woodford, J. E.

Year Published: 2010

Estimation of groundwater use for a groundwater-flow model of the Lake Michigan Basin and adjacent areas, 1864-2005

The U.S. Geological Survey, at the request of Congress, is assessing the availability and use of the Nation's water resources to help characterize how much water is available now, how water availability is changing, and how much water can be expected to be available in the future. The Great Lakes Basin Pilot project of the U.S. Geological Survey...

Buchwald, Cheryl A.; Luukkonen, Carol L.; Rachol, Cynthia M.
Estimation of groundwater use for a groundwater-flow model of the Lake Michigan Basin and adjacent areas, 1864-2005; 2010; SIR; 2010-5068; Buchwald, Cheryl A.; Luukkonen, Carol L.; Rachol, Cynthia M.

Year Published: 2010

Estimated Withdrawals and Other Elements of Water Use in the Great Lakes Basin of the United States in 2005

Estimates of water withdrawals in the United States part of the Great Lakes Basin and 107 of its watersheds designated by the 8-digit hydrologic unit code (HUCs) indicate that about 30.3 billion gallons per day (Bgal/d) were withdrawn for practically all categories of use in 2005. Virtually all water withdrawn was freshwater. Surface-water...

Mills, P.C.; Sharpe, Jennifer B.
Estimated Withdrawals and Other Elements of Water Use in the Great Lakes Basin of the United States in 2005; 2010; SIR; 2010-5031; Mills, Patrick C.; Sharpe, Jennifer B.

Year Published: 2010

Comparative morphology among northern populations of breeding Cooper's Hawks

Few studies at a broad geographical scale have characterized intraspecific variation in morphology of woodland hawks in the genus Accipiter. From 1999 to 2007 we investigated morphological variation in large samples of live Cooper's Hawks (A. cooperii) nesting in four study areas: coniferous woodland around Victoria, British Columbia, Canada...

Rosenfield, Robert N.; Rosenfield, Laura J.; Bielefeldt, John; Murphy, Robert K.; Stewart, Andrew C.; Stout, William E.; Driscoll, Timothy G.; Bozek, Michael A.

Year Published: 2010

Habitat selection and abundance of young-of-year smallmouth bass in north temperate lakes

Habitat use during early life history plays an important role in the ecology of smallmouth bass Micropterus dolomieu in north temperate lakes. The highest levels of mortality occur during the first year of life, and the habitat selected probably affects mortality. We used resource selection functions and abundance data from two northern...

Brown, Peter James; Bozek, Michael A.

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Screen shot of The Random Landscape Tool’s interface.
March 8, 2017

Random Landscape Tool uses a raster data source and a table of classifications to create a random landscape. The classification table allows the user to weight the probability of occurrence to certain classes and to spatially restrict the distribution of classes to certain areas (zones).  

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Image from an application that navigates users through USGS National Oil and Gas Assessment Provinces
November 14, 2018

National Oil and Gas Assessment Provinces

This is a graphic from the USGS National Oil and Gas Assessment Explorer application, which allows user to drill into 70 oil and gas assessment provinces throughout the United States.

June 1, 2018

PAMF Participation Cycle

This video describes the annual participation cycle for those enrolled in the Phragmites Adaptive Management Framework (PAMF). PAMF encompasses three annual steps including enrolling, monitoring and managing. As participants employ management actions and submit monitoring reports they will receive management guidance generated by the PAMF model, which provides the most

...
June 1, 2018

PAMF Participation Cycle (Audio-Described)

This video describes the annual participation cycle for those enrolled in the Phragmites Adaptive Management Framework (PAMF). PAMF encompasses three annual steps including enrolling, monitoring and managing. As participants employ management actions and submit monitoring reports they will receive management guidance generated by the PAMF model, which provides the most

...
Digestive gland from a freshwater snail (Lymnaea stagnalis)
December 31, 2017

Digestive gland from a freshwater snail (Lymnaea stagnalis)

National Wildlife Health Center — Madison, Wisconsin. Digestive gland from a freshwater snail (Lymnaea stagnalis)

USGS scientist collecting samples of aquatic species from the Pike River, Wis., for later analysis of mercury contamination
December 31, 2017

USGS scientist collecting samples of aquatic species from Pike River

USGS scientist collecting samples of aquatic species from the Pike River, Wis., for later analysis of mercury contamination

Chelonid herpesvirus 5 replication
December 31, 2017

Chelonid herpesvirus 5 replication

This microscopic image shows a sun-shaped area within turtle skin cells where chelonid herpesvirus 5 replicates. The virus capsids, or protein shells, are arrayed like a corona around the circle. ChHV5 is associated with fibropapillomatosisa tumor disease affecting endangered green turtles. (Credit: Thierry Work,

...
Monarch on Joe Pyeweed plant
December 31, 2017

Monarch on Joe Pyeweed plant

Monarch butterfly on a Joe Pyeweed plant.

Monarch on hairy puccoon
December 31, 2017

Monarch on hairy puccoon

A monarch butterfly on a hairy puccoon plant.

Frog liver with SPI
December 31, 2017

Frog liver with SPI

This photomicrograph shows a liver of a frog with a severe Perkinsea infection.

R/V Arcticus at Sturgeon Bay
September 21, 2017

R/V Arcticus at Sturgeon Bay

Fog surrounds the USGS Research Vessel Arcticus as it comes into port at Sturgeon Bay, Wisconsin.

Thirsty cow drinking water at Sassy Cow Creamery, WI
June 26, 2017

Thirsty cow drinking water at Sassy Cow Creamery, WI

Thirsty cow drinking water from a water tank in a barn at Sassy Cow Creamery in Columbus, WI

October 10, 2016

Detecting Invasive Species in the Field: Portable eDNA Screening Tool

The USGS field tested the use of a portable hand-held kit for the detection of the environmental DNA (eDNA) of Asian carps (bighead carp and silver carp) in water samples as part of on-going invasive species detection research. The goals of the USGS-led research are to develop a method and kit that can be used on-site to detect Asian carp eDNA within one hour. Developing

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Photo of a rural wadeable stream in Wisconsin
February 19, 2019

Two types of human-associated bacteria and three types of human viruses were detected in Milwaukee streams within the Menomonee River watershed, according to a recent study led by the U.S. Geological Survey.

Image shows a screenshot of the Mid-Continent Rift Story Map
January 25, 2018

The first great geologic expeditions of the United States set off in the mid-1800s, equipped with mules, rifles, and early scientific instruments. Their goal: to uncover the great mineral wealth of the United States and learn about its earliest geologic history.

Photo of a young girl drinking water, which likely originated from groundwater sources. 
December 7, 2017

A regional assessment of untreated groundwater in the Cambrian-Ordovician aquifer system, which includes parts of Minnesota, Wisconsin, Michigan, Iowa, Illinois, Missouri and Indiana, is now available from the U.S. Geological Survey.

Exterior of a municipal water pumping station
December 6, 2017

Oxygen levels, dissolved minerals among factors responsible for high concentrations of radium in untreated water from aquifer that underlies six states

Tadpole with SPI
September 19, 2017

A deadly amphibian disease called severe Perkinsea infections, or SPI, is the cause of many large-scale frog die-offs in the United States, according to a new study by the U.S. Geological Survey

UMESC Building
September 5, 2017

The public is invited to attend a free, family-friendly open house at a local U.S. Geological Survey center for ecology research on Saturday, September 9.  

Image shows a geologic map of the Lower 48
August 21, 2017

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.

Lake Michigan at Sunset
August 16, 2017

Invasive mussels and less nutrients from tributaries have altered the Lake Michigan ecosystem making it more conducive to the stocking of lake trout and steelhead than Chinook salmon, according to a recent U.S. Geological Survey and Michigan State University study.

Hibernating little brown bat with white muzzle and spots on wings typical of white-nose syndrome. (Photo by Greg Turner, Pennsyl
August 1, 2017

The cold-loving fungus (Pseudogymnoascus destructans, or Pd) that causes white-nose syndrome, a disease that has killed millions of North American bats during hibernation, could also spread in summer months. Bats and humans visiting contaminated caves and mines can inadvertently contribute to the spread of the fungus, according to a recently published study by the U.S. Geological Survey.

Southeastern myotis with Pd - thumb
June 1, 2017

Biologists have confirmed white-nose syndrome in the southeastern bat, or Myotis austroriparius, for the first time. The species joins eight other hibernating bat species in North America that are afflicted with the deadly bat fungal disease.

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