Mission Areas

Water Resources

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Water information is fundamental to national and local economic well-being, protection of life and property, and effective management of the Nation’s water resources. The USGS works with partners to monitor, assess, conduct targeted research, and deliver information on a wide range of water resources and conditions including streamflow, groundwater, water quality, and wateruse and availability.

USGS Water Data for the Nation

USGS Water Data for the Nation

The USGS National Water Information System (NWIS) contains surface-water, groundwater, water-quality, and water-use data collected at approximately 1.5 million sites across all 50 states.

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Water Resources Information

Explore our science by the topical areas that drive the research and projects conducted by our Programs.

Groundwater Information

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Water Quality Information

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News

Date published: October 16, 2018

USGS Measures Flooding Across Texas

Reporters: Do you want to accompany a USGS field crew as they measure flooding? Please contact Jennifer LaVista or Lynne Fahlquist.

Date published: October 15, 2018

Scientists to Measure Wood River Valley Groundwater Levels

Data Will Help to Improve Groundwater-Flow ModelData Will Help to Improve Groundwater-Flow Model

Date published: October 3, 2018

USGS Crews Work Fast to Capture Evidence of Devastating Carolina Floods

To learn more about USGS’ role providing science to decision makers before, during and after #Florence, visit the #USGS Hurricane Florence page at https://www.usgs.gov/florence

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.

Read Science Plan
Filter Total Items: 186
Date published: August 27, 2018
Status: Active

Quality Systems Branch (QSB)

The USGS Quality Systems Branch (QSB) represents the Water Mission Area’s commitment to generating environmental data of known quality. QSB produces water and sediment performance-assessment samples and data to provide the USGS laboratory users, USGS laboratories, and field personnel with quantitative performance information to assess data quality.

Attribution: Water Resources
Date published: August 19, 2018
Status: Active

USGS / National Park Service Water-Quality Partnership

Since 1998, the USGS-National Park Service Water-Quality Partnership has supported 217 projects to protect and improve water quality in 119 national parks. These USGS-NPS collaborative projects support science-based resource management by the National Park Service to address critical water-quality issues for many of our Nation's most highly valued aquatic systems. 

Date published: August 15, 2018
Status: Active

Water-Use Terminology

The following terms have been used in one or more of the water-use publications. The comparison of water-use categories over the history of these reports may also help...

Date published: August 11, 2018
Status: Archived

Sediment Monitoring Instrument and Analysis Research Workshop, Flagstaff, Arizona, 2003

The Sediment Monitoring Instrument and Analysis Research Workshop, sponsored by the Federal Interagency Subcommittee on Sedimentation, was held September 9-11, 2003, in Flagstaff, Arizona. The workshop focused on advanced technologies and analytical techniques for measuring, storing, analyzing, and disseminating suspended-sediment, bedload, bed-material, bedform properties, and water clarity...

Attribution: Water Resources
Date published: August 11, 2018
Status: Archived

Turbidity and Other Sediment Surrogates Workshop, Reno, Nevada, 2002

The Turbidity and Other Sediment Surrogates Workshop, sponsored by the Federal Interagency Subcommittee on Sedimentation, was held April 30-May 2, 2002, in Reno, Nevada. This workshop focused on the use of turbidity and other technologies to infer suspended-sediment concentrations in surface water.

Attribution: Water Resources
Date published: August 11, 2018
Status: Archived

Expanding Sediment Research Capabilities in Today's USGS (workshop), Reston, VA and Harpers Ferry, WV, 1997

Proceedings of the USGS sediment workshop "Expanding Sediment Research Capabilities in Today's USGS", held February 4-7, 1997, in Reston, Virgina, and Harpers Ferry, West Virginia. This workshop drew together the four Divisions of the USGS -- Geologic, National Mapping, Water Resources, and Biological -- to focus on the common denominator of sediment research and monitoring.

Attribution: Water Resources
Date published: August 11, 2018
Status: Archived

Sediment Technology for the 21st Century (workshop), St, Petersburg, Florida, 1998

Proceedings of the "Sediment Technology for the 21st Century" federal interagency workshop, held February 17-19, 1998, in St. Petersburg, Florida. This workshop was held to bring better focus to sediment technology needs and development activities of, or relevant to, the U.S. Government.

Attribution: Water Resources
Date published: August 10, 2018
Status: Active

National Streamflow Information Program

The U.S. Geological Survey (USGS) operates and maintains a national streamgage network of about 8,000 streamgages (2018) to provide long-term, accurate, and unbiased streamflow information (often called discharge) to meet the multiple needs of many diverse users. Streamflow information is fundamental to national and local economic well-being, protection of life and property, and efficient and...

Contacts: Cory Angeroth
Date published: August 10, 2018
Status: Active

Changes in Water-Use Categories

Water-use terminology in the series of USGS water-use circulars, first published for the year 1950, has changed over time as illustrated here. Some categories were re-named but retained essentially the same definition, while other changes split existing categories or shifted components of one category to another. See the entries for these terms in the...

Date published: July 30, 2018
Status: Active

Office of the Delaware River Master

In 1954, the U.S. Supreme Court issued a Decree in State of New Jersey v. State of New York and City of New York in which the Court designated the position of the Delaware River Master.  The Court directed that the River Master perform multiple duties and functions in administering the Decree, including the conserving the waters of the river and the Delaware River watershed; compiling data on...

Attribution: Water Resources
Date published: July 27, 2018
Status: Active

Next Generation Water Observing System: Delaware River Basin

The USGS next-generation water observing system will provide high-fidelity, real-time data on water quantity and quality necessary to support modern water prediction and decision support systems for water emergencies and daily water operations. The Delaware River Basin pilot provides an opportunity to develop the NextGen observing system in a nationally important, complex interstate river...

Date published: July 20, 2018
Status: Active

Hydrologic Instrumentation Facility (HIF)

The USGS Hydrologic Instrumentation Facility (HIF) supports the water-resource monitoring efforts of USGS scientists and other Federal scientists by providing quality-assured hydrologic equipment and instrumentation support.

Attribution: Water Resources

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: 75
Date published: September 26, 2018

Water Budgets Across the United States

In this data visualization, you can see how three major components of the water budget vary across the conterminous US. Precipitation is incoming rain and snow; evapotranspiration is outgoing evaporation from soil and water bodies and transpiration through plants; and runoff is excess water that makes its way to lakes and rivers through streams and spring discharges. 

Date published: September 4, 2018

USGS Water Web Services

This site serves USGS water data (streamflow, groundwater, water quality, site information, and statistics) via automated means using web services and extensible markup language (XML), as well as other popular media types. Services are invoked with the REST protocol. These services designed for high fault tolerance and very high availability.

Attribution: Water Resources
Date published: July 23, 2018

Water Resources NSDI Node

The Water Resources NSDI Node, or "Water Node", contains geospatial datasets related to USGS water-resources analyses. All data on the Water Node are free to the public.

Attribution: Water Resources
Date published: July 5, 2018

Coastal Change Hazards Portal

Interactive access to coastal change science and data for our Nation’s coasts. Information and products are organized within three coastal change hazard themes: 1) extreme storms, 2) shoreline change, and 3) sea-level rise. Each data item represents an individual research product, with some items grouped together as aggregates to show the breadth of the topic and make it easy to explore.

Date published: July 5, 2018

Key Findings for Scenario-Based Assessment for Hurricanes

Percentage of sandy beaches very likely (probability > 0.9) to experience erosion associated with collision, overwash, and inundation during category 1-5 hurricane landfall.

Date published: July 5, 2018

Oblique Aerial Photography Viewer

Obique photos offer a unique perspective of the coast. Features such as beach erosion or accretion, dune erosion and overwash can all be clearly characterized in this imagery. It also documents coastal infrastructure, as well as the damage that infrastructure may incur as the result of an impacting hurricane. 

Date published: July 5, 2018

USGS SWaTH Network

SWaTH is a system of flood-hardened, real-time telemetered tide gages, rapid deployment gages, and storm tide sensors deployed in integrated network configurations along the Northeastern Atlantic Coast from North Carolina to Maine.

Date published: July 5, 2018

USGS Flood Inundation Mapper

USGS Flood Inundation Maps , along with Internet information regarding current stage from the USGS streamgage, provide emergency management personnel and residents with information that is critical for flood-response activities, such as evacuations and road closures, as well as for post-flood recovery efforts.

Date published: July 2, 2018

StreamStats Batch Processor Tool

This tool produces shapefiles that contain the delineated basins, basin characteristics, and flow statistics for multiple sites requested at once by users. Before this tool can be used, the the points of interest will likely need to be edited in GIS so that they are coincident with the stream grid used by StreamStats for delineations and saved to a shapefile. 

Attribution: Water Resources
Date published: March 28, 2018

USGS Flood Event Viewer

The USGS operates an event-based mobile storm-surge sensor network to capture information about coastal and inland storm tides.  View data from all events in the map viewer or download data by event, state, and more.

Date published: January 19, 2018

Total Water Level and Coastal Change Forecast Viewer

Total water level (TWL) at the shoreline is the combination of tides, surge, and wave runup. A forecast of TWL is an estimate of the elevation where the ocean will meet the coast and can provide guidance on potential coastal erosion and flooding hazards.

Downloadable spatial data files for exploration and analysis.

Filter Total Items: 29
Date published: October 1, 2018

Regional Hydrologic Unit Map

Boundary Descriptions and Names of Regions, Subregions, Accounting Units and Cataloging Units

Attribution: Water Resources
Date published: November 2, 2017

Tualatin River Basin Beaver Study Area

Map of intensive sites and rapid sites where data was collected for the Tualatin River Basin Beaver Study.

Date published: August 31, 2017

WaterWatch Flood Map

Current stream conditions and NWS forecast stream conditions.

Date published: August 25, 2017

Texas Water Dashboard

The Texas Water Dashboard presents USGS real-time stream, lake and reservoir, precipitation and groundwater data for more than 850 USGS real-time observation stations in Texas.

Date published: June 4, 2017

Long Island Water Districts

Long Island Water District Areas

Date published: June 3, 2017

Michigan-Ohio Current Water Conditions

The clickable sites, Water Resources Conditions List, and Data Table at the bottom of the map are all connected. Interacting with any of them will activate pop-ups and display the site in both the Map, List and Table. 

Date published: May 18, 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: January 24, 2017

Assessing Endocrine Disrupting Chemicals Risk In U.S. National Parks

Endocrine disrupting chemicals (EDC) threaten the reproductive success and long-term survival of sensitive aquatic populations in the U.S. National Park Service (NPS). The project employs a standardized EDC risk assessment framework to link new and ongoing research efforts in individual Parks and in Park Monitoring Networks, in order to provide a service-wide assessment of EDC risk in the NPS.

 

Date published: October 13, 2016

Maps and GIS Data

Explore water resources maps and GIS data.

Attribution: Water Resources
Filter Total Items: 15,167
Year Published: 2019

Effects of ferric sulfate and polyaluminum chloride coagulation enhanced treatment wetlands on Typha growth, soil and water chemistry

Land surface subsidence is a concern in many deltas worldwide as it contributes to water quality degradation, loss of fertile land and increased potential for levee failure. As a possible solution to these concerns, on-site coagulation enhanced treatment wetlands(CETWs), coagulation water treatment followed by wetland...

Ling Liang, Yan; Kraus, Tamara E. C.; Silva, Lucas C. R.; Bachand, Philip A. M.; Bachand, Sandra M.; Doane, Timothy A.; Horwath, William R.
Liang, Y.L., Kraus, T.E., Silva, L.C., Bachand, P.A., Bachand, S.M., Doane, T.A. and Horwath, W.R., 2018. Effects of ferric sulfate and polyaluminum chloride coagulation enhanced treatment wetlands on Typha growth, soil and water chemistry. Science of The Total Environment, v. 648, p. 116-124. https://doi.org/10.1016/j.scitotenv.2018.07.341 [First online 25-July-2018]

Year Published: 2018

Findings and lessons learned from the assessment of the Mexico-United States transboundary San Pedro and Santa Cruz aquifers: The utility of social science in applied hydrologic research

Study RegionThis study region encompasses the Transboundary San Pedro and Santa Cruz aquifers which are shared between the states of Sonora (Mexico) and Arizona (US). Special regional considerations include a semi-arid climate, basin-fill aquifers with predominantly montane recharge areas, economic drivers in the mining, trade, and military...

Callegary, James B.; Megdal, Sharon B.; Tapia Villaseñor, Elia María; Petersen-Perlman, Jacob D.; Minjárez Sosa, Ismael; Monreal, R.; Gray, F.; Grijalva Noriega, Francisco

Year Published: 2018

Identifying management-relevant research priorities for responding to disease-associated amphibian declines

A research priority can be defined as a knowledge gap that, if resolved, identifies the optimal course of conservation action. We (a group of geographically distributed and multidisciplinary research scientists) used tools from nominal group theory and decision analysis to collaboratively identify and prioritize information...

Campbell Grant, Evan H.; Adams, Michael J.; Fisher, Robert N.; Grear, Daniel A.; Halstead, Brian J.; Hossack, Blake R.; Muths, Erin L.; Richgels, Katherine L. D.; Russell, Robin E.; Smalling, Kelly; Waddle, J. Hardin; Walls, Susan C.; White, C. LeAnn
Grant, E. H. C., Adams, M. J., Fisher, R. N., Grear, D. A., Halstead, B. J., Hossack, B. R., Muths, E., Richgels, K. L. D., Russell, R. E., Smalling, K. L., Waddle, J. H., Walls, S. C., and White, C. L., 2018, Identifying management-relevant research priorities for responding to disease-associated amphibian declines: Global Ecology and Conservation, v. 16, article e00441, 9 p. https://doi.org/10.1016/j.gecco.2018.e00441

Year Published: 2018

Determination of representative uranium and selenium concentrations from groundwater, 2016, Homestake Mining Company Superfund site, Milan, New Mexico

In 2016, the U.S. Geological Survey, in cooperation with the U.S. Environmental Protection Agency, collected data on isotopes, age dating, and geochemistry including aqueous uranium concentrations of samples from 20 locations in the vicinity of the Homestake Mining Company Superfund site near Milan, New Mexico. The 20 sampled locations include 19...

Harte, Philip T.; Blake, Johanna M.; Becher, Kent D.
Harte, P.T., Blake, J.M., and Becher, K.D., 2018, Determination of representative uranium and selenium concentrations from groundwater, 2016, Homestake Mining Company Superfund site, Milan, New Mexico: U.S. Geological Survey Open-File Report 2018–1055, 40 p., appendixes, https://doi.org/10.3133/ofr20181055.

Year Published: 2018

Groundwater-level, groundwater-temperature, and barometric-pressure data, July 2017 to February 2018, Hālawa Area, Oʻahu, Hawaiʻi

The Red Hill Bulk Fuel Storage Facility, operated by the U.S. Navy and located in the Hālawa area, Oʻahu, Hawaiʻi, includes 20 underground storage tanks that can hold a total of 250 million gallons of fuel. In January 2014, the U.S. Navy notified the Hawaiʻi Department of Health and U.S. Environmental Protection Agency of release of an estimated...

Mitchell, Jackson N.; Oki, Delwyn S.
Mitchell, J.N., and Oki, D.S., 2018, Groundwater-level, groundwater-temperature, and barometric-pressure data, July 2017 to February 2018, Hālawa Area, O‘ahu, Hawai‘i: U.S. Geological Survey Open-File Report 2018–1147, 35 p., https://doi.org/10.3133/ofr20181147.

Year Published: 2018

Flood-inundation maps for the South Platte River at Fort Morgan, Colorado, 2018

In 2017, the U.S. Geological Survey (USGS), in cooperation with the Colorado Water Conservation Board (CWCB), studied floods in the historic record to produce a library of flood-inundation maps for the South Platte River at Fort Morgan, Colorado. Digital flood-inundation maps for a 4.5-mile (7.2-kilometers) reach of the South Platte River at Fort...

Kohn, Michael S.; Patton, Thuy T.
Kohn, M.S., and Patton, T.T., 2018, Flood-inundation maps for the South Platte River at Fort Morgan, Colorado, 2018: U.S. Geological Survey Scientific Investigations Report 2018–5114, 14 p., https://doi.org/10.3133/sir20185114.

Year Published: 2018

Variability of organic carbon content and the retention and release of trichloroethene in the rock matrix of a mudstone aquifer

Contaminants diffusing from fractures into the immobile porosity of the rock matrix are subject to prolonged residence times. Organic contaminants can adsorb onto organic carbonaceous materials in the matrix extending contaminant retention. An investigation of spatial variability of the fraction of organic carbon...

Shapiro, Allen M.; Brenneis, Rebecca J.
Shapiro, A. M. and Brenneis, R. J. 2018. Variability of organic carbon content and the retention and release of trichloroethene in the rock matrix of a mudstone aquifer. Journal of Contaminant Hydrology 217: 32-42. https://doi.org/10.1016/j.jconhyd.2018.09.001.

Year Published: 2018

Dissolved pesticide concentrations in the lower Sacramento River and its source waters, California, 2016

As part of a collaborative study designed to better understand water-quality conditions in the Sacramento River, surface-water samples were collected from the lower Sacramento River and five of its tributaries and then analyzed by the U.S. Geological Survey for a suite of 162 current-use pesticides and pesticide degradates. Samples were collected...

Stout, Sean M.; Orlando, James L.; McWayne-Holmes, Megan; Sanders, Corey; Hladik, Michelle
Stout, S.M., Orlando, J.L., McWayne, M., Sanders, C., and Hladik, M., 2018, Dissolved pesticide concentrations in the lower Sacramento River and its source waters, California, 2016: U.S. Geological Survey Open-File Report 2018–1153, 24 p., https://doi.org/10.3133/ofr20181153.

Year Published: 2018

Completion summary for borehole TAN-2312 at Test Area North, Idaho National Laboratory, Idaho

In 2017, the U.S. Geological Survey, in cooperation with the U.S. Department of Energy, drilled and constructed borehole TAN-2312 for stratigraphic framework analyses and long-term groundwater monitoring of the eastern Snake River Plain aquifer at the Idaho National Laboratory in southeast Idaho. The location of borehole TAN-2312 was selected...

Twining, Brian V.; Bartholomay, Roy C.; Hodges, Mary K. V.
Twining, B.V., Bartholomay, R.C., and Hodges, M.K.V., 2018, Completion summary for borehole TAN-2312 at Test Area North, Idaho National Laboratory, Idaho: U.S. Geological Survey Scientific Investigations Report 2018-5118, DOE/ID-22247, 29 p., plus appendixes, https://doi.org/10.3133/sir20185118.

Year Published: 2018

Geologic framework and hydrostratigraphy of the Edwards and Trinity aquifers within Hays County, Texas

The Edwards and Trinity aquifers are classified as major aquifers by the Texas Water Development Board and are major sources of water in south-central Texas, where Hays County is located. Detailed maps and descriptions of the geologic framework and hydrostratigraphic units (HSUs) of these karstic aquifers in Hays County are needed for water...

Clark, Allan K.; Pedraza, Diana E.; Morris, Robert R.
Clark, A.K., Pedraza, D.E., and Morris, R.R., 2018, Geologic framework and hydrostratigraphy of the Edwards and Trinity aquifers within Hays County, Texas: U.S. Geological Survey Scientific Investigations Map 3418, 1 sheet, scale 1:24,000, pamphlet, https://doi.org/10.3133/sim3418.

Year Published: 2018

Distribution of mining-related trace elements in streambed and flood-plain sediment along the middle Big River and tributaries in the Southeast Missouri Barite District, 2012–15

Lead mining first began in the Big River watershed during the 1700s. Lead was the primary metal mined throughout most of the 1700s and early 1800s and it continued to be mined until the mid-1900s. Barite mining began in the middle part of the watershed in the mid- to late 1800s. Although considerable attention has been given to concentrations of...

Smith, David C.; Schumacher, John G.
Smith, D.C., and Schumacher, J.G., 2018, Distribution of mining-related trace elements in streambed and flood-plain sediment along the middle Big River and tributaries in the Southeast Missouri Barite District, 2012–15: U.S. Geological Survey Scientific Investigations Report 2018–5103, 89 p., https://doi.org/10.3133/sir20185103.

Year Published: 2018

Assessment of environmental flows in the middle Verde River watershed, Arizona

This report summarizes analyses of middle Verde River watershed environmental flows detailed in U.S. Geological Survey Scientific Investigations Report 2017-5100, “Preliminary synthesis and assessment of environmental flows in the middle Verde River watershed, Arizona," by N.V. Paretti, A.M.D. Brasher, S.L. Pearlstein, D.M. Skow, B. Gungle, and B....

Gungle, Bruce W.; Paretti, Nicholas V.
Gungle, B., and Paretti, N.V., 2018, Assessment of environmental flows in the middle Verde River watershed, Arizona: U.S. Geological Survey Fact Sheet 2018-3062, 6 p., https://doi.org/10.3133/fs20183062.

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: 24
Date published: August 13, 2018

SWToolbox Software Information

USGS and the U.S. Environmental Protection Agency (EPA) have combined their SWSTAT and DFLOW software programs into a new tool for the low-flow anlaysis, the SWToolbox.

Attribution: Water Resources
Date published: June 21, 2018

VS2DRTI Version 1.4

VS2DRTI is a graphical software package for simulating water flow, heat transport, and reactive solute transport in variably saturated porous media.

Attribution: Water Resources
Date published: March 14, 2018

Water, Energy, and Biogeochemical Model (WEBMOD)

The Water, Energy, and Biogeochemical Model (WEBMOD) uses the framework of the U.S. Geological Survey (USGS) Modular Modeling System (MMS) to simulate fluxes of water and solutes through watersheds. WEBMOD divides watersheds into model response units (MRU) where fluxes and reactions are simulated for several hillslope reservoir types.

Attribution: Water Resources
Date published: January 25, 2018

SPARROW modeling: Estimating contaminant transport

 

What’s New: A new version of the SPARROW code is being developed in the R programming language. The advantage of R is that it is non-proprietary and does not require a license or software cost. The R – SPARROW code is now being completed and should be available early in CY18. Stay Tuned.

Date published: November 30, 2017

Stochastic Empirical Loading and Dilution Model (SELDM)

SELDM is a database application where users can easily create and run highway-runoff simulations. SELDM simulates storm flows, concentrations, and loads. SELDM calculates the risk of exceeding water-quality criteria with and without user-defined BMPs. SELDM calculates annual runoff loads and is able to do a simple annual lake-loading analysis.

Date published: November 2, 2017

CE-QUAL-W2 - Hydrodynamic and Water Quality Model

CE-QUAL-W2 is a water quality and hydrodynamic model in 2D (longitudinal-vertical) for rivers, estuaries, lakes, reservoirs and river basin systems. W2 models basic eutrophication processes such as temperature-nutrient-algae-dissolved oxygen-organic matter and sediment relationships.

Date published: June 20, 2017

GCLAS (Graphical Constituent Loading Analysis System)

GCLAS is a program designed primarily to compute daily and annual loadings of constituents transported in streamflow.

Date published: August 30, 2016

HYDROTHERM

The HYDROTHERM computer program simulates multi-phase ground-water flow and associated thermal energy transport in three dimensions. It can handle high fluid pressures, up to 1 x 10^9 Pa (104 atm), and high temperatures, up to 1,200 °C. 

Date published: August 22, 2016

MODFLOW-USG model of groundwater flow in the Wood River Valley aquifer system in Blaine County, Idaho

Model archive for Wood River Valley groundwater-flow model

Date published: August 22, 2016

wrv R package repository

The R package wrv is for processing the groundwater-flow model of the Wood River Valley (WRV) aquifer system, south-central Idaho. The groundwater-flow model is described in the associated model report and model archive. Included in the package is MODFLOW-USG version 1.3, a U.S. Geological Survey (USGS) computer code that solves the groundwater-flow equation.

Date published: July 4, 2016

Water Use Site Retrieval - Lower Mississippi Gulf Arkansas

In 1977, the Congress of the United States recognized the need for uniform, current, and reliable information on water use and directed the U.S. Geological Survey (USGS) to establish a National Water-Use Information Program (NWUIP) to complement the Survey's data on the availability and quality of the Nations water resources.

Date published: June 29, 2016

Groundwater Age Mixtures and Contaminant Trends Tool (GAMACTT)

The USGS Groundwater Age Mixtures and Contaminant Trends Tool (GAMACTT) can be used to explore the effects of basic aquifer properties and well configurations on groundwater age mixtures in groundwater discharge and on contaminant trends from varying nonpoint-source contaminant input scenarios.

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: 1,239
USGS WAUSP Water Census: Map of Regional Groundwater Availability Stud
December 31, 2018

USGS WAUSP Water Census: Map of Regional Groundwater Availability Stud

USGS WAUSP Water Census: Map of Regional Groundwater Availability Studies

Brackish water desalination facility in Harlingen, Texas.
December 31, 2018

Brackish water desalination facility in Harlingen, Texas.

Brackish water desalination facility in Harlingen, Texas. The plant was built in 2007 and has a capacity of 2.25 million gallons per day. Source: North Cameron Regional Water Supply Corporation

Trends in population and freshwater withdrawals by source, 1950–2015
December 31, 2018

Trends in population and freshwater withdrawals by source, 1950–2015

Trends in population and freshwater withdrawals by source, 1950–2015

Regulation in StreamStats screenshot
December 31, 2018

Regulation in StreamStats screenshot

Regulation in StreamStats screenshot

Attribution: Water Resources
USGS WAUSP Water Census: Map of National Brackish Groundwater Assessment
December 31, 2018

USGS WAUSP Water Census: Map of National Brackish Groundwater Assessme

USGS WAUSP Water Census: Map of National Brackish Groundwater Assessment from USGS professional paper 1833 "Brackish Groundwater In The United States."

Attribution: Water Resources
Power Generation Plant
December 31, 2018

Power Generation Plant

Source: U.S. Nuclear Regulatory Commission

Trends in total water withdrawals by water-use category, 1950–2015
December 31, 2018

Trends in total water withdrawals by water-use category, 1950–2015

Trends in total water withdrawals by water-use category, 1950–2015

Upstream Network Trace in StreamStats screenshot
December 31, 2018

Upstream Network Trace in StreamStats screenshot

Upstream Network Trace in StreamStats screenshot

Attribution: Water Resources
Elements of the water budget for the Nation Water Census
December 31, 2018

Elements of the water budget for the Nation Water Census

Elements of the Water Availability and Use Science Program water budget for the Nation Water Census.

Brackish Groundwater discharge through a spring in Death Valley, CA
December 31, 2018

Brackish Groundwater discharge through a spring in Death Valley, CA

Groundwater in basin-fill aquifers of the Southwest often increases in dissolved-solids content as it travels along its flow path as a result of geochemical interactions with the aquifer matrix and through evaporative processes. At the end of its flowpath, groundwater may be brackish or saline and discharges to the surface through springs such this one in Death Valley

...
Attribution: Water Resources
Saline Groundwater Use in the U.S.
December 31, 2018

Saline Groundwater Use in the U.S.

Data show that use of saline groundwater has been increasing since 1985.

Mining water withdrawals in 2015
December 31, 2018

Mining water withdrawals in 2015

Mining water withdrawals in 2015

Filter Total Items: 376
Date published: October 16, 2018

USGS Measures Flooding Across Texas

Reporters: Do you want to accompany a USGS field crew as they measure flooding? Please contact Jennifer LaVista or Lynne Fahlquist.

Date published: October 15, 2018

Scientists to Measure Wood River Valley Groundwater Levels

Data Will Help to Improve Groundwater-Flow ModelData Will Help to Improve Groundwater-Flow Model

Date published: October 3, 2018

USGS Crews Work Fast to Capture Evidence of Devastating Carolina Floods

To learn more about USGS’ role providing science to decision makers before, during and after #Florence, visit the #USGS Hurricane Florence page at https://www.usgs.gov/florence

Date published: October 2, 2018

USGS Prepares to Measure Flooding Across Arizona

Reporters: Do you want to accompany a USGS field crew as they measure flooding? Please contact Jennifer LaVista or Jim Leenhouts

Date published: September 18, 2018

USGS Keeps Vital Information Flowing in Carolina Flood Catastrophe

To learn more about USGS’ role providing science to decision makers before, during and after #Florence, visit the #USGS Hurricane Florence page at https://www.usgs.gov/florence

Date published: September 14, 2018

Big Thompson Floods of 1976 and 2013 - A Visual Comparison

The Big Thompson Floods of 1976 and 2013 shown visually. The inundation images reflect the location and peak streamflows at certain points between Estes Park and Loveland, Colorado.

Date published: September 10, 2018

USGS Is Installing About 160 Sensors Along NC, SC Coasts For Florence

To learn more about USGS’ role providing science to decision makers before, during and after Hurricane Florence, visit the USGS Hurricane Florence page at https://www.usgs.gov/florence.

Date published: September 10, 2018

USGS Installing About 160 Storm-Tide Sensors Along North and South Carolina Coasts Before Hurricane Florence Arrives

Reporters: Do you want to accompany a USGS crew as they work in the field to install storm-tide sensors before Hurricane Florence’s arrival?

If so, please contact John Shelton for NC and SC at 803-750-6112 or jmshelto@usgs.gov

Attribution: Water Resources
Date published: August 24, 2018

USGS Responds to Hurricane Lane

Editor’s note: This article will be updated online with more information on the USGS response to Hurricane Lane as it becomes available.

Date published: July 9, 2018

Post-Harvey Report Provides Inundation Maps and Flood Details on “Largest Rainfall Event Recorded in US History”

Nineteen inundation maps and detailed flood information from Hurricane Harvey are now available from the U.S. Geological Survey, in cooperation with the Federal Emergency Management Agency. Hurricane Harvey was the most significant rainfall event in U.S. history, both in scope and peak rainfall amounts, since records began in the 1880s.

Date published: June 26, 2018

Media Advisory: Witness Groundbreaking River Measurements Collected from the Sky

This Thursday, scientists with the U.S. Geological Survey and NASA will test new technologies near Parkdale, Colorado, located west of Cañon City, to better understand how unmanned aerial systems (UAS), or drones, may be used to measure water depth, water levels and velocity from the sky. 

Date published: May 31, 2018

USGS Hurricane Response Met Challenges in 2017, Prepares for 2018

No one has a crystal ball to foresee what will happen during the 2018 hurricane season that begins June 1, but NOAA forecasters say there’s a 75 percent chance this hurricane season will be at least as busy as a normal year, or busier.

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