Mission Areas

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Water is one of seven science mission areas of the U.S. Geological Survey (USGS). Water's mission is to collect and disseminate reliable, impartial, and timely information that is needed to understand the Nation's water resources.

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Filter Total Items: 161
Date published: December 1, 2017
Status: Active

Sediment Fingerprinting in the Upper Klamath Basin

Sediment fingerprinting has been used successfully to identify land uses that are the major sources of sediment. This study will apply these techniques in a predominantly rural, volcanic landscape.

Contacts: Liam Schenk
Date published: November 30, 2017
Status: Active

Effects of Highway Runoff on Water Quality

"SELDM facilitates analysis by providing precipitation, pre-storm streamflow, and other variables by region or from hydrologically similar sites."

Date published: November 20, 2017
Status: Completed

Macroinvertebrate Communities Evaluated Before and After a Channel Restoration Project in Silver Creek, Blaine County

The U.S. Geological Survey, in cooperation with Blaine County and The Nature Conservancy, evaluated the status of macroinvertebrate1 communities prior to and following a channel restoration project in Silver Creek, Blaine County, Idaho. The objective of the evaluation was to determine whether 2014 remediation efforts to restore natural channel conditions in an impounded area of Silver Creek...

Contacts: Dorene MacCoy
Date published: November 20, 2017
Status: Active

Water Quality in Aquifers Used for Drinking-Water Supplies, Gem County

The U.S. Geological Survey, in cooperation with Gem County and the Idaho Department of Environmental Quality, is assessing the quality of groundwater from freshwater aquifers used for drinking-water supplies.

Contacts: Erin M Murray
Date published: November 2, 2017
Status: Active

Water Monitoring - Idaho National Laboratory

We monitor groundwater and surface-water quality as well as streamflow and reservoir levels at nine surface-water sites.

Water samples are collected...

Date published: November 2, 2017
Status: Active

Water Quality in the Willamette River at Portland, Oregon

The U.S. Geological Survey (USGS) has been monitoring water quality in the Willamette River for many years. The USGS National Water-Quality Assessment Program (NAWQA) collects water samples from the Willamette River at Portland, as well as from select sites upstream, as part of a continuing effort to assess the quality of the Nation's waters. The USGS Oregon Water Science Center has multiple...

Contacts: Stewart Rounds
Date published: October 21, 2017
Status: Active

Modeling summer month hydrological drought probabilities in the United States using antecedent flow conditions

Climate change raises concern that risks of hydrological drought may be increasing. We estimate hydrological drought probabilities for rivers and streams in the United States (U.S.) using maximum likelihood logistic regression (MLLR). Streamflow data from winter months are used to estimate the chance of hydrological drought during summer months. Daily streamflow data collected from 9,144...

Date published: October 12, 2017
Status: Active

Widespread occurrence and potential for biodegradation of bioactive contaminants in Congaree National Park, South Carolina

Organic contaminants with designed molecular bioactivity, such as pesticides and pharmaceuticals, originate from human and agricultural sources, occur frequently in surface waters, and threaten the structure and function of aquatic and terrestrial ecosystems. Congaree National Park in South Carolina (USA) is a vulnerable park unit due to its location downstream of multiple urban and...

Contacts: Paul Bradley
Date published: October 8, 2017
Status: Active

Monitoring High-Priority Stream Crossings Along Proposed Natural Gas Pipeline Routes

The U.S. Geological Survey (USGS), in cooperation with the Virginia Department of Environmental Quality (DEQ), is monitoring the water quality of multiple high-priority streams where natural gas pipeline crossings have been proposed. The purpose of the monitoring effort is to collect baseline water-quality data and, if the pipeline construction is approved, to monitor water quality in these...

Contacts: Ethan Geisler
Date published: October 3, 2017

Colorado Plateaus Regional Groundwater Availability

Pilot phase

This study is in a pilot phase during fiscal years 2017 and 2018. The purpose of the pilot phase is to identify possible technical challenges of using the USGS code GSFLOW for simulating groundwater and surface-water flow in the Colorado Plateau principal aquifer system. During the pilot phase, the project will evaluate GSFLOW in the San Juan River Basin (...

Date published: September 23, 2017
Status: Active

Groundwater Flow Modeling - Idaho National Laboratory

Numerical models are being used to better understand the flow of groundwater and the transport of radiochemical and chemical constituents in the eastern Snake River Plain aquifer system.

The models, developed at the INL, afford scientists a framework to organize their knowledge and concepts of groundwater systems and to provide insights for water-resource managers for future water...

Contacts: Jason C Fisher
Date published: September 22, 2017
Status: Active

Geochemical Modeling - Idaho National Laboratory

Geochemical models for the eastern Snake River Plain aquifer system are being used to better understand the flow of groundwater beneath the INL and, ultimately, to better understand the fate and transport of radiochemical and chemical constituents. As water moves through the ground, it picks up chemicals from the gases and rocks it comes in contact with.

Contacts: Gordon Rattray

The USGS collects, analyzes, and distributes data on a wide variety of water-related issues and resources. Much of our data is publicly available through the National Water Information System (NWIS), but additional datasets and analytical tools are also available.

Access NWISWeb
Filter Total Items: 51
Date published: December 11, 2017

Virginia Water-Monitoring-Site Mapper

The Water-Monitoring-Sites Mapper is an interactive map of Virginia water monitoring-site locations from the USGS National Water Information System (NWIS). It provides access to surface water, groundwater, and water quality monitoring data for active sites. The functionality includes query, select, tabular display by county,...

Date published: December 11, 2017

West Virginia Water-Monitoring-Site Mapper

The Water-Monitoring-Sites Mapper is an interactive map of West Virginia water monitoring-site locations from the USGS National Water Information System (NWIS). It provides access to surface water, groundwater, and water quality monitoring data for active sites. The functionality includes query, select, tabular display by county,...

Date published: December 8, 2017

West Virginia Real-Time Precipitation Network

This interactive map shows current and cumulative rainfall total for precipitation sites in West Virginia.  Map provides real-time precipitation radar image to overlay from National Weather Service.

 

Date published: December 8, 2017

Virginia Real-Time Precipitation Network

This interactive map shows current and cumulative rainfall total for precipitation sites in Virginia.  Map provides real-time precipitation radar image to overlay from National Weather Service. 

Date published: December 8, 2017

GIS-based landscape analysis to identify sources of endocrine disrupting chemicals

De facto wastewater reuse from Wastewater Treatment Facilities (WWTF) has the potential to contribute unregulated Endocrine Disrupting Chemicals. To visualize the typical contributions of treated effluent into Shenandoah River watershed streams, an ArcGIS model of WWTFs, NHDPlus Version 2 (USGS and EPA 2012) stream networks, and USGS Streamgages across the Shenandoah River watershed was...

Date published: December 7, 2017

A Baseline Assessment of Contaminant Concentrations in Sediment and Biota in Proximity to Coal Transport Tracks in the Pacific Northwest (2014)

This dataset provides baseline concentrations of polycyclic aromatic hydrocarbon (PAH), other aromatic organic compounds, mercury (Hg), and trace metal concentrations in sediment and biota collected from two sites along an existing rail line used for coal transport in the Columbia River Gorge, Washington.

Date published: November 30, 2017

Johnson Creek Basin Stream Sites

Find stream data (streamflow, level, and water quality) for Johnson Creek, OR, using a map.

Date published: November 21, 2017

USGS Streamstats (Oregon)

StreamStats is a Web-based tool that provides streamflow statistics, drainage-basin characteristics, and other information for USGS streamgaging stations and for user-selected ungaged sites on streams.

Date published: November 2, 2017

Willamette River in Portland Water-Quality Site

Willamette River at Portland, OR, is one of the most extensively monitoring streams in the US. The monitor located at the Morrsion Bridge in downtown Portland measures thirteen real-time parameters.

Date published: October 31, 2017

Current Conditions for Arkansas - Streamflow

To view current streamflow conditions for Arkansas click here

Date published: October 31, 2017

Clackamas River Basin Water-Quality Sites

Recent and historical data for USGS Clackamas River Basin water-quality monitors.

Date published: September 1, 2017

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.

Attribution: Water Resources

Downloadable spatial data files for exploration and analysis.

Filter Total Items: 27
Date published: September 26, 2016

Alabama Active Water Level Network

Alabama Counties depicted on the state location map with active wells

Date published: September 22, 2016

Mobile River Basin Study

The Mobile River Basin in Alabama, Georgia, Mississippi, and Tennessee is one of the 59 study units that are part of the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program.

Date published: September 15, 2016

Michigan Lake Water Clarity Interactive Map Viewer

Available online are estimated Secchi-disk transparency (eSDT) and corresponding estimated trophic state index (eTSI) values for Michigan inland lakes. To view available eSDT for Michigan inland lakes greater than 20 acres without interference from clouds, cloud shadows, dense vegetation or shoreline, go to the Michigan Lake Water Clarity Interactive Map Viewer. 

Date published: September 14, 2016

Buffalo National River Services and River Level Guide

Real-time displays of current floating conditions at various sites along the Arkansas Buffalo River. 

Date published: May 7, 2014

How much water do we use?

Map viewer used to visualize water use by region and date for U.S. freshwater withdrawals, 1950-present (created by USGS VIZLAB)

Date published: May 1, 2014

Major rivers and tributaries in Alabama (taken from Hutson and others, 2009)

As part of their mission to protect public health and aquatic ecosystems, Alabama state agencies need accurate and representative streamflow statistics to establish realistic and applicable criteria for both water quality and water quantity (fig. 1).

Date published: January 1, 2014

Arkansas Groundwater - Quality Network

The Arkansas Groundwater - Quality Network is a web map interface that provides rapid access to the U.S. Geological Survey's (USGS) NWIS and the U.S. Environmental Protection Agency's (EPA) STORET databases of ambient groundwater information. The interface enables users to perform simple graphical analysis and download selected water-quality data. 

Date published: May 21, 2013

StreamStats Alabama

Beta version 4 is now available for most states on a trial basis, and version 3 remains available. Beta version 4 provides a single user interface (at http://streamstatsags.cr.usgs.gov/streamstats/) for all states that are implemented, rather than separate applications for each state, as in versions 2 and 3, and the user interface is more user friendly than previous versions. 

Date published: September 22, 2012

USGS StreamStats

StreamStats is a Web-based tool that provides streamflow statistics, drainage-basin characteristics, and other information for USGS streamgaging stations and for user-selected ungaged sites on streams. When users select the location of a streamgaging station, StreamStats provides previously published information from a database. When users select a site on an ungaged stream, 

Date published: September 4, 2012

U.S. Geological Survey Flood Inundation Mapping Science

Static flood-inundation map libraries consist of maps that have been created in advance of a flood that are ready to be served through the Internet. Each library consists of a set of flood extent and depth maps developed for predetermined stream stage intervals (for example, a map for each one foot of stage).

Date published: September 30, 2005

Mississippi and Ohio River 7-Day Summary and Forecast

River and Coastal Forecast Information

Mississippi and Ohio River 7-Day Summary and Forecast

 

Filter Total Items: 14,123
Year Published: 2018

Managing salinity in Upper Colorado River Basin streams: Selecting catchments for sediment control efforts using watershed characteristics and random forests models

Elevated concentrations of dissolved-solids (salinity) including calcium, sodium, sulfate, and chloride, among others, in the Colorado River cause substantial problems for its water users. Previous efforts to reduce dissolved solids in upper Colorado River basin (UCRB) streams often focused on reducing suspended-sediment transport to streams, but...

Tillman, Fred; Anning, David W.; Heilman, Julian A.; Buto, Susan G.; Miller, Matthew P.
Tillman, F.D, Anning, D.W., Heilman, J.A, Buto, S.G., and Miller, M.P., 2018, Managing salinity in upper Colorado River basin streams: Selecting catchments for sediment control efforts using watershed characteristics and random forests models: Water, 10, 676, https://doi.org/10.3390/w10060676

Year Published: 2018

Rio Grande transboundary integrated hydrologic model and water-availability analysis, New Mexico and Texas, United States, and Northern Chihuahua, Mexico

Changes in population, agricultural development and practices (including shifts to more water-intensive crops), and climate variability are increasing demands on available water resources, particularly groundwater, in one of the most productive agricultural regions in the Southwest—the Rincon and Mesilla Valley parts of Rio Grande Valley, Doña Ana...

Hanson, Randall T.; Ritchie, Andre; Boyce, Scott E.; Ferguson, Ian; Galanter, Amy; Flint, Lorraine E.; Henson, Wesley
Hanson, R.T., Ritchie, A.B., Boyce, S.E., Galanter, A.E., Ferguson, I.A., Flint, L.E., and Henson, W.R., 2018, Rio Grande transboundary integrated hydrologic model and water-availability analysis, New Mexico and Texas, United States, and Northern Chihuahua, Mexico: U.S Geological Survey Open-File Report 2018–1091, 185 p., https://doi.org/10.3133/ofr20181091.

Year Published: 2018

Geochemistry of groundwater in the eastern Snake River Plain aquifer, Idaho National Laboratory and vicinity, eastern Idaho

Nuclear research activities at the U.S. Department of Energy (DOE) Idaho National Laboratory (INL) in eastern Idaho produced radiochemical and chemical wastes that were discharged to the subsurface, resulting in detectable concentrations of some waste constituents in the eastern Snake River Plain (ESRP) aquifer. These waste constituents may pose...

Rattray, Gordon W.
Rattray, G.W., 2018, Geochemistry of groundwater in the eastern Snake River Plain aquifer, Idaho National Laboratory and vicinity, eastern Idaho: U.S. Geological Survey Professional Paper 1837-A (DOE/ID-22246), 198 p., https://doi.org/10.3133/pp1837A.

Year Published: 2018

Groundwater quality in the shallow aquifers of the Monterey Bay, Salinas Valley, and adjacent highland areas, California

The Monterey-Salinas Shallow Aquifer study unit covers approximately 7,820 square kilometers (km2) in Santa Cruz, Monterey, and San Luis Obispo Counties in the Central Coast Hydrologic Region of California. The study unit was divided into four study areas—Santa Cruz, Pajaro Valley, Salinas Valley, and Highlands. More than 75 percent of the water...

Burton, Carmen
Burton, C.A., 2018, Groundwater quality in the shallow aquifers of the Monterey Bay, Salinas Valley, and adjacent highland areas, California (ver. 1.1, June 2018): U.S. Geological Survey Fact Sheet 2018–3026, 4 p., https://doi.org/10.3133/fs20183026.

Year Published: 2018

Status and understanding of groundwater quality in the Monterey-Salinas Shallow Aquifer Study Unit, 2012–13: California GAMA Priority Basin Project

Groundwater quality in the approximately 7,820-square-kilometer (km2) Monterey-Salinas Shallow Aquifer (MS-SA) study unit was investigated from October 2012 to May 2013 as part of the second phase of the Priority Basin Project of the Groundwater Ambient Monitoring and Assessment (GAMA) Program. The study unit is in the central coast region of...

Burton, Carmen; Wright, Michael
Burton, C.A., and Wright, M.T., 2018, Status and understanding of groundwater quality in the Monterey-Salinas Shallow Aquifer study unit, 2012–13: California GAMA Priority Basin Project: U.S. Geological Survey Scientific Investigations Report 2018–5057, 116 p., https://doi.org/10.3133/sir20185057.

Year Published: 2018

Concentrations of nitrate in drinking water in the lower Yakima River Basin, Groundwater Management Area, Yakima County, Washington, 2017

The U.S. Geological Survey, in cooperation with the lower Yakima River Basin Groundwater Management Area (GWMA) group, conducted an intensive groundwater sampling collection effort of collecting nitrate concentration data in drinking water to provide a baseline for future nitrate assessments within the GWMA. About every 6 weeks from April through...

Huffman, Raegan L.
Huffman, R.L., 2018, Concentrations of nitrate in drinking water in the lower Yakima River Basin, Groundwater Management Area, Yakima County, Washington, 2017: U.S. Geological Survey Data Series 1084, 18 p., https://doi.org/10.3133/ds1084.

Year Published: 2018

Klamath River Basin water-quality data

The Klamath River Basin stretches from the mountains and inland basins of south-central Oregon and northern California to the Pacific Ocean, spanning multiple climatic regions and encompassing a variety of ecosystems. Water quantity and water quality are important topics in the basin, because water is a critical resource for farming and municipal...

Sobieszczyk, Steven; Smith, Cassandra D.; Rounds, Stewart A.; Orzol, Leonard L.
Smith, C.D., Rounds, S.A., and Orzol, L.L., 2018, Klamath River Basin water-quality data: U.S. Geological Survey Fact Sheet 2018-3031, 4 p., https://doi.org/10.3133/fs20183031.

Year Published: 2018

Comparability among four invertebrate sampling methods and two multimetric indexes, Fountain Creek Basin, Colorado, 2010–2012

The U.S. Geological Survey (USGS), in cooperation with Colorado Springs City Engineering and Colorado Springs Utilities, analyzed previously collected invertebrate data to determine the comparability among four sampling methods and two versions (2010 and 2017) of the Colorado Benthic Macroinvertebrate Multimetric Index (MMI). For this study,...

Bruce, James F.; Roberts, James J.; Zuellig, Robert E.
Bruce, J.F., Roberts, J.J., and Zuellig, R.E., 2018, Comparability among four invertebrate sampling methods and two multimetric indexes, Fountain Creek Basin, Colorado, 2010–2012: U.S. Geological Survey Scientific Investigations Report 2018–5061, 11 p., https://doi.org/10.3133/sir20185061.

Year Published: 2018

Aligning environmental management with ecosystem resilience: a First Foods example from the Confederated Tribes of the Umatilla Indian Reservation, Oregon, USA

The concept of “reciprocity” between humans and other biota arises from the creation belief of the Confederated Tribes of the Umatilla Indian Reservation (CTUIR). The concept acknowledges a moral and practical obligation for humans and biota to care for and sustain one another, and arises from human gratitude and reverence for the contributions...

Quaempts, Eric J; Jones, Krista; O'Daniel, Scott J.; Beechie, Timothy J.; Poole, Geoffrey C.
Quaempts, E. J., K. L. Jones, S. J. O'Daniel, T. J. Beechie, and G. C. Poole. 2018. Aligning environmental management with ecosystem resilience: a First Foods example from the Confederated Tribes of the Umatilla Indian Reservation, Oregon, USA. Ecology and Society 23(2):29. https://doi.org/10.5751/ES-10080-230229

Year Published: 2018

Unprecedented biological shifts in the global ocean

Beaugrand, G.; Conversi, A.; Atkinson, A.; Cloern, James E.; Chiba, S.; Fonda-Umani, S.; Kirby, R.R.; Greene, C.H.; Mantua, N.; Goberville, E.; Otto, S.A.; Reid, P.C.; Stemmann, L.; Sugisaki, H.; Edwards, M.

Year Published: 2018

A biodynamic understanding of dietborne and waterborne Ag uptake from Ag NPs in the sediment-dwelling oligochaete, Tubifex tubifex

Metal nanoparticles (Me-NPs) are increasingly used in various products, such as inks and cosmetics, enhancing the likelihood of their release into aquatic environments. An understanding of the mechanisms controlling their bioaccumulation and ecotoxicity in aquatic biota will help support environmental risk...

Tangaa, Stine Rosendal; Winther-Nielsen, Margrethe; Selck, Henriette; Croteau, Marie-Noele

Year Published: 2018

Blurred lines: Multiple freshwater and marine algal toxins at the land-sea interface of San Francisco Bay, California

San Francisco Bay (SFB) is a eutrophic estuary that harbors both freshwater and marine toxigenic organisms that are responsible for harmful algal blooms. While there are few commercial fishery harvests within SFB, recreational and subsistence harvesting for shellfish is common. Coastal shellfish are monitored for domoic acid and...

Peacock, Melissa B.; Gibble, Corinne M.; Senn, David B.; Cloern, James E.; Kudela, Raphael M.

Software and related material (data and documentation) are made available by the USGS to be used in the public interest and the advancement of science.

Filter Total Items: 13
Date published: May 16, 2008

Calculate Streamflow Depletion by Nearby Pumping Well - STRMDEPL08

STRMDEPL08—An Extended Version of STRMDEPL with Additional Analytical Solutions to Calculate Streamflow Depletion by Nearby Pumping Well

The USGS produces many types of multimedia products. Use the links below to browse our offerings of photograph galleries, podcasts and sound files, videos, aerial photos, and posters related to water. The USGS Newsroom has a Web page that highlights the main collection of multimedia products.

Filter Total Items: 944
Reston stable isotope lab RSIL Reference Caps
April 20, 2018

Reston stable isotope lab RSIL Reference Caps

Reston stable isotope lab RSIL Reference Caps

Reston stable isotope lab RSIL Reference Hair
April 20, 2018

Reston stable isotope lab RSIL Reference Hair

Reston stable isotope lab RSIL Reference Hair

Reston stable isotope lab RSIL Reference Oil
April 20, 2018

Reston stable isotope lab RSIL Reference Oil

Reston stable isotope lab RSIL Reference Oil

USGS Storm-Tide Sensor
March 31, 2018

USGS Storm-Tide Sensor

USGS storm-tide sensor bolted to a cement jetty on the Atlantic Ocean coast at Fire Island, New York. USGS scientists deployed over 50 sensors along the coast of Maine, New Hampshire, Massachusetts, Rhode Island, Connecticut, New York, New Jersey and Delaware to study a Nor'easter that affected the Northeast in March of 2018.

Research Vessel (R/V) Polaris pilot house interior view.
March 23, 2018

Research Vessel (R/V) Polaris Pilot House

A view of the Research Vessel (R/V) Polaris' pilot house and wheel.

Attribution: Water Resources
USGS Active Groundwater Level Network 3.12.18
March 12, 2018

USGS Active Groundwater Level Network 3.12.18

USGS Active Groundwater Level Network 3.12.18

Attribution: Water Resources
USGS HUC Region Map
March 8, 2018

USGS HUC Region Map

USGS HUC Region Map

Attribution: Water Resources
aquarium
March 2, 2018

Atlanta Aquarium, Georgia

This million gallon aquarium in Atlanta, Georgia is home to thousands of saltwater fish, a couple of stingrays, giant grouper, and a whale shark!

February 27, 2018

Survey Requirements - Road Overflow/Broad-Crested Weir

This video describes how and where to flag high water marks for a road overflow or broad-crested weir indirect measurement of peak discharge. 
 

Blackfeet Reservation Groundwater Monitoring Program Study Area Map
February 9, 2018

Blackfeet Reservation Groundwater Monitoring Program Study Area Map

Blackfeet Reservation Groundwater Monitoring Program Study Area Map

Reston Microbiology Laboratory 2016
January 31, 2018

Reston Microbiology Laboratory 2016

The Reston Microbiology Laboratory Group headed by Denise Akob. 2016

Attribution: Water Resources
January 25, 2018

Welcome to the USGS GeoLog Locator

Welcome to the USGS GeoLog Locator, an online tool for viewing and downloading digital borehole geophysical logs. These borehole logs are used to answer scientific questions about things like groundwater availability, geologic structure of the Earth, and certain characteristics of the structure of the soil and rock formations. The Geolog map viewer allows users to zoom and click on individual...

Filter Total Items: 365
Date published: January 30, 2018

January 23, 2018 M7.9 Gulf of Alaska Earthquake and Tsunami

One week ago, on January 23rd at 12:31 a.m. local time, Alaskans were rocked by a magnitude 7.9 earthquake, with an epicenter in the Gulf of Alaska, about 350 miles southwest of Anchorage, and about 175 miles southeast of Kodiak Island.

Date published: January 25, 2018

Salinity Decreased throughout Upper Colorado River Basin Over Time

Salinity loads that originate from groundwater within the Upper Colorado River Basin have decreased from 1986-2011, according to a new U.S. Geological Survey study done in cooperation with the Colorado River Basin Salinity Control Program.

Date published: January 24, 2018

Alaska Earthquake Rattles Florida’s Groundwater Plumbing

At 12:32 am Alaska time on January 23, 2018, a magnitude 7.9 earthquake shook Alaska residents out of their beds and set off fears of a tsunami all down the West Coast. Fortunately, the tsunami was only a few inches in height, but within an hour of the earthquake in Alaska, waves of a different sort were hitting far away in Florida. 

Date published: January 9, 2018

USGS gages assist Georgia, Alabama and Florida water management efforts

Fayette County Georgia, Water System Director, Lee Pope, discusses water management efforts to alleviate issues downstream.

Video link.

Date published: December 7, 2017

Groundwater Quality in the North: The Glacial Aquifer System

A regional assessment of untreated groundwater in the Glacial aquifer system, which includes parts of 25 states across the northern contiguous United States, is now available from the U.S. Geological Survey.

Date published: December 7, 2017

Groundwater Quality in the Southwest: The Rio Grande Aquifer System

A regional assessment of untreated groundwater in the Rio Grande aquifer system, which includes parts of Colorado, New Mexico and Texas, is now available from the U.S. Geological Survey.

Date published: December 7, 2017

Groundwater Quality in the East: The Piedmont and Blue Ridge Crystalline-Rock Aquifers

A regional assessment of untreated groundwater in the Piedmont and Blue Ridge crystalline-rock aquifers, which includes parts of 11 states across the contiguous United States, is now available from the U.S. Geological Survey.

Date published: December 7, 2017

The Quality of the Nation’s Groundwater: Progress on a National Survey

This story was updated on December 7, 2017.
The U.S. Geological Survey is near the midpoint of a complex undertaking to survey the quality of the nation’s largest drinking-water resource.

Date published: December 7, 2017

Groundwater Quality in the Midwest: The Cambrian-Ordovician Aquifer System

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.

Date published: December 6, 2017

Scientists Home in on Causes of High Radium Levels in Key Midwestern Aquifer

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

Date published: December 1, 2017

Hundreds of Biological Data Available for Fountain Creek Basin, Colorado 

The U.S. Geological Survey just added more than 800 fish and macroinvertebrate data samples from Fountain Creek, Colorado, to the USGS BioData Retrieval system.

Date published: November 1, 2017

New USGS Study Tracks Millions of Tons of Rocks, Gravel and Silt Carried by the Sauk River

TACOMA, Wash. — The U.S. Geological Survey recently published the results of a new five-year suspended-sediment and water temperature study from the Sauk River. The purpose of this study is to improve understanding of the magnitude and timing of suspended sediment from the Sauk River and its tributaries to the Skagit River.