Mission Areas

Water Resources

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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: 167
Sprague river floodplain
Date Published: December 1, 2017
Status: Active

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
highway
Date Published: November 30, 2017
Status: Active

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

Scientists measuring depth and flow on Silver Creek, Idaho
Date Published: November 20, 2017
Status: Completed

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
With property owner's permission, a USGS hydrologist collects a water sample from a private well in Gem County, Idaho
Date Published: November 20, 2017
Status: Active

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
USGS technician sampling for dissolved gases
Date Published: November 2, 2017
Status: Active

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

Water samples are collected...

muddy Willamette River
Date Published: November 2, 2017
Status: Active

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
Sunset at Big Meadows in Shenandoah National Park
Date Published: October 21, 2017
Status: Active

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...

The Toxics Emerging Contaminants Project’s nation-wide effort assesses the ecological risk associated with EDC in National Parks
Date Published: October 12, 2017
Status: Active

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
Roanoke River Valley
Date Published: October 8, 2017
Status: Active

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
Map of the Colorado Plateau, including the San Juan River pilot study area.
Date Published: October 3, 2017

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 (...

Depiction of the 3D aquifer model - Idaho National Laboratory
Date Published: September 23, 2017
Status: Active

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
Dissolved gas water sample
Date Published: September 22, 2017
Status: Active

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: 54
USGS
December 13, 2017

Oregon Streamflow Table

Table of current streamflow conditions for 245 site(s) in Oregon.
 

USGS
December 12, 2017

Flood Inundation Mapper

The USGS Flood Inundation Mapping Program has two main functions: 1) partner with local communities to assist with the development and validation of flood inundation map libraries; and 2) provide online access to flood inundation maps along with real-time streamflow data, flood forecasts, and potential loss estimates. 

hydra rainfall map portland
December 12, 2017

Portland HYDRA Rainfall Network

The HYDRA rainfall network is operated and maintained by the City of Portland Bureau of Environmental Services. Rainfall data are provided with their permission and cooperation.

USGS
December 12, 2017

National Water Information System (NWIS) - Oregon

National Water Information System: Mapper (Oregon)

USGS
December 11, 2017

Dissolved Organic Matter in the Upper Klamath River, Lost River, and Klamath Straits Drain

Data from an Analysis of Dissolved Organic Matter in the Upper Klamath River, Lost River, and Klamath Straits Drain, Oregon and California, 2013–16

Goldman, J.H., 2017, Data from an analysis of dissolved organic matter in the Upper Klamath River, Lost River, and Klamath Straits Drain, Oregon and California, 2013–16: U.S. Geological Survey data release, https://doi.org/10.5066/F71Z42V4.

Virginia Water-Monitoring-Site Mapper
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, hydrologic unit code (HUC), and exporting spatial and tabular data.

West Virginia Water-Monitoring-Sites Mapper
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, hydrologic unit code (HUC), and exporting spatial and tabular data.

West Virginia Real-time Precipitation Network
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.

 

Virginia Real-Time Precipitation Network
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. 

Shenandoah municipal and industrial discharges
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 developed.

USGS
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.

USGS
November 30, 2017

Johnson Creek Basin Stream Sites

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

Downloadable spatial data files for exploration and analysis.

Filter Total Items: 26
North Platte, Nebraska US Topo quadrangle: 2014
September 26, 2016

Network wells depicted on the Climate Response Network location map
Note: Color shading in the table below indicates multiple wells that plot as a single point on the state location map above.
Note: BLS = Water Level in Feet Below Land Surface, RVD = Water Level referenced to a vertical datum

Aerial photograph of Pleasant Valley
September 26, 2016

Alabama Counties depicted on the state location map with active wells

Mobile River Basin Study
September 22, 2016

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.

Screenshot of the Michigan Lake Water Clarity Interactive Map Viewer
September 15, 2016

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. 

Buffalo River Map Screen Capture
September 14, 2016

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

Low Flow Map
May 1, 2014

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).

Arkansas Map Thumbnail
January 1, 2014

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. 

NWIS Mapper Screen Shot
May 21, 2013

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. 

a large map of the Fort Collins area
September 22, 2012

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, 

Black Warrior River Map
September 4, 2012

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).

small excerpt of Yosemite Valley topographic map in shades of green and brown
September 30, 2005

River and Coastal Forecast Information

Mississippi and Ohio River 7-Day Summary and Forecast

 

Water use, by county, in Alabama, 2005
September 28, 2005

Water is one of the most important of Alabama's natural resources. Water is not only a vital component of human existence, it is critical to the overall quality of life. In order to protect and preserve this resource for future generations, we must have a baseline of information to make decisions. Decision and policy makers must know the answers to three fundamental questions: where is the water u

Filter Total Items: 1,555
Year Published: 2018

Association between degradation of pharmaceuticals and endocrine-disrupting compounds and microbial communities along a treated wastewater effluent gradient in Lake Mead

The role of microbial communities in the degradation of trace organic contaminants in the environment is little understood. In this study, the biotransformation potential of 27 pharmaceuticals and endocrine-disrupting compounds was examined in parallel with a characterization of the native microbial community in water samples from four sites...

Blunt, Susanna M.; Sackett, Joshua D.; Rosen, Michael R.; Benotti, Mark J.; Trenholm, Rebecca A.; Vanderford, Brett J.; Hedlund, Brian P.; Moser, Duane P.
Attribution: Water Resources
Blunt, S.M., Beckett, J.D., Rosen, M.R., Benotti, M.J., Trenholm, R.A., Vanderford, B.J., Hedlund B.P., and Moser, D.P., 2017, Association between microbial degradation of pharmaceuticals and endocrine-disrupting compounds and microbial communities along a treated wastewater effluent gradient in Lake Mead. Science of the Total Environment. https://doi.org/10.1016/j.scitotenv.2017.10.052

Year Published: 2018

International Limnogeology Congress (ILIC6), Reno USA, special issue on new limnogeological research focused on pre-Holocene lake systems

No abstract available.

Rosen, Michael R.; Starratt, Scott W.
Attribution: Water Resources
198 Rosen, M.R. and Starratt, S., 2017, International Limnogeology Congress (ILIC6), Reno USA, special issue on new limnogeological research focused on pre-Holocene lake systems. Journal of Paleolimnology https://dx.doi:10.1007/s10933-017-9990-y

Year Published: 2018

The origin of shallow lakes in the Khorezm Province, Uzbekistan, and the history of pesticide use around these lakes

The economy of the Khorezm Province in Uzbekistan relies on the large-scale agricultural production of cotton. To sustain their staple crop, water from the Amu Darya is diverted for irrigation through canal systems constructed during the early to mid-twentieth century when this region was part of the Soviet Union. These diversions severely reduce...

Rosen, Michael R.; Crootof, Arica; Reidy, Liam; Saito, Laurel; Nishonov, Bakhriddin; Scott, Julian A.
Attribution: Water Resources

Year Published: 2017

Visualization of groundwater withdrawals

Generating an informative display of groundwater withdrawals can sometimes be difficult because the symbols for closely spaced wells can overlap. An alternative method for displaying groundwater withdrawals is to generate a “footprint” of the withdrawals. WellFootprint version 1.0 implements the Footprint algorithm with two optional variations...

Winston, Richard B.; Goode, Daniel J.
Attribution: Water Resources
Winston, R.B., and Goode, D.J., 2017, Visualization of groundwater withdrawals: U.S. Geological Survey Open-File Report 2017–1137, 8 p., https://doi.org/10.3133/ofr20171137.

Year Published: 2017

Groundwater quality in the Cambrian-Ordovician aquifer system, midwestern United States

Groundwater provides nearly 50 percent of the Nation’s drinking water. To help protect this vital resource, the U.S. Geological Survey (USGS) National Water-Quality Assessment (NAWQA) Project assesses groundwater quality in aquifers that are important sources of drinking water (Burow and Belitz, 2014). The Cambrian-Ordovician aquifer system...

Stackelberg, Paul E.
Attribution: Water Resources
Stackelberg, Paul, 2017, Groundwater quality in the Cambrian-Ordovician aquifer system, midwestern United States: U.S. Geological Survey Fact Sheet 2017–3056, 4 p., https://doi.org/10.3133/fs20173056.

Year Published: 2017

Groundwater quality in the Piedmont and Blue Ridge crystalline-rock aquifers, eastern United States

Groundwater provides nearly 50 percent of the Nation’s drinking water. To help protect this vital resource, the U.S. Geological Survey (USGS) National Water-Quality Assessment (NAWQA) Project assesses groundwater quality in aquifers that are important sources of drinking water (Burow and Belitz, 2014). The Piedmont and Blue Ridge crystalline-rock...

Lindsey, Bruce
Attribution: Water Resources
Lindsey, Bruce, 2017, Groundwater quality in the Piedmont and Blue Ridge crystalline-rock aquifers, eastern United States: U.S. Geological Survey Fact Sheet 2017–3040, 4 p., https://doi.org/10.3133/fs20173040.

Year Published: 2017

Groundwater quality in the Rio Grande aquifer system, southwestern United States

Groundwater provides nearly 50 percent of the Nation’s drinking water. To help protect this vital resource, the U.S. Geological Survey (USGS) National Water-Quality Assessment (NAWQA) Project assesses groundwater quality in aquifers that are important sources of drinking water (Burow and Belitz, 2014). The Rio Grande aquifer system...

Musgrove, MaryLynn; Bexfield, Laura M.
Attribution: Water Resources
Musgrove, MaryLynn, 2017, Groundwater quality in the Rio Grande aquifer system, southwestern United States: U.S. Geological Survey Fact Sheet 2017–3047, 4 p., https://doi.org/10.3133/fs20173047.

Year Published: 2017

Groundwater quality in the glacial aquifer system, United States

Groundwater provides nearly 50 percent of the Nation’s drinking water. To help protect this vital resource, the U.S. Geological Survey (USGS) National Water-Quality Assessment (NAWQA) Project assesses groundwater quality in aquifers that are important sources of drinking water (Burow and Belitz, 2014). The glacial aquifer system constitutes one of...

Stackelberg, Paul E.
Attribution: Water Resources
Stackelberg, Paul, 2017, Groundwater quality in the glacial aquifer system, United States: U.S. Geological Survey Fact Sheet 2017–3055, 4 p., https://doi.org/10.3133/fs20173055.

Year Published: 2017

Crustal permeability

Permeability is the dominant parameter in most hydrogeologic studies. There is abundant evidence for dynamic variations in permeability in time as well as space, and throughout the crust. Whether this dynamic behavior should be included in quantitative models depends on the problem at hand.

Ingebritsen, Steven E.; Gleeson, Tom
Attribution: Water Resources

Year Published: 2017

Northern hemisphere jet stream positions indices as diagnostic tools for climate and ecosystem dynamics

The latitudinal position of the Northern Hemisphere jet stream (NHJ) modulates the occurrence and frequency of extreme weather events. Precipitation anomalies in particular are associated with NHJ variability; the resulting floods and droughts can have considerable societal and economic impacts. This study develops a new climatology of the 300-hPa...

Belmecheri, Soumaya; Babst, Flurin; Hudson, Amy R.; Betancourt, Julio L.; Trouet, Valerie
Attribution: Water Resources
Belmecheri, S., Babst, F., Hudson, A., Betancourt, J.L., and Trouet, V. 2017. Northern Hemisphere jet stream positions indices as diagnostic tools for climate and ecosystem dynamics. Earth Interactions 21(8), 1-23 https://doi.org/10.1175/EI-D-16-0023.1

Year Published: 2017

Combining remote sensing and water-balance evapotranspiration estimates for the conterminous United States

Evapotranspiration (ET) is a key component of the hydrologic cycle, accounting for ~70% of precipitation in the conterminous U.S. (CONUS), but it has been a challenge to predict accurately across different spatio-temporal scales. The increasing availability of remotely sensed data has led to significant advances in the frequency and spatial...

Reitz, Meredith; Senay, Gabriel; Sanford, Ward E.
Attribution: Water Resources
Reitz, M., G.B. Senay, and W.E. Sanford (2017), Combining remote sensing and water-balance evapotranspiration estimates for the conterminous United States. Remote Sens. 2017, 9(12), 1181; doi:10.3390/rs9121181.

Year Published: 2017

Conceptual model for invasive bivalve control on wetland productivity

Tidal wetlands were the historically dominant features of many coastal regions around the world, including the San Francisco Estuary (Callaway et al. 2011; Whipple et al. 2012). These mosaics of varied interconnected habitats (Mitsch and Gosselink 1993) provide a host of ecosystem services, including biodiversity maintenance, fish and wildlife...

Hartman, Rosemary; Brown, Larry R.; Thompson, Janet K.; Parchaso, Francis
Attribution: Water Resources
Hartman R, L Brown, J Thompson, F Parchaso. 2017 Conceptual Model for Invasive Bivalve Control on Wetland Productivity. In Effects of Tidal Wetland Restoration on Fish: A Suite of Conceptual Models. Sherman, S., R. Hartman, and D. Contreras, editors, IEP Technical Report 91. Department of Water Resources, Sacramento, California, p 225-257 http://www.water.ca.gov/iep/products/technicalrpts.cfm

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: 886
Digital elevation model created by an Unmanned Aerial System
2017 (approx.)
This digital elevation model was created using structure from motion software mounted to an Unmanned Aerial System (UAS) to analyze bridge scour. Studies using UAS have included stream temperature analyses, bird and mammal surveys, coastal change mapping, sandbar habitat surveys, fluvial erosion rates, microclimate mapping, air quality analysis, plant stress assessment, and sediment erosion and...
2017 (approx.)
This video provides an overvew of the USGS Scenario Evaluator for Electrical Resistivity (SEER). Today’s environmental site managers have many tools to choose from when conducting site characterization and remediation. Geophysical tools can provide noninvasive ways to see inside the earth, much like how medical imaging lets us see inside the human body. The USGS Scenario Evaluator for Electrical...
man in yellow shirt and camo coveralls standing in thigh-high water with instrument.
2017 (approx.)
USGS technician measuring streamflow in the Sisquoc River near Garey, California, upstream of the Santa Maria Mesa Road Bridge.
Unmanned Aerial System takes images in Arizona
2017 (approx.)
Small Unmanned Aerial System (UAS) collecting digital photos to create digital elevation models. UAS are an increasingly important tool for monitoring, assessing, and conducting targeted scientific research for the nation.
Two technicians in a cablecar over a river, with an instrument hanging below them
2017 (approx.)
USGS technicians preparing for a streamflow measurement by lowering an acoustic Doppler current profiler from a cable way on the American River near Fair Oaks, California.
Filter Total Items: 357
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

Upstream view of Fountain Creek in Colorado
December 1, 2017

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.

A muddy river in the background flows into a clear river in the foreground.
November 1, 2017

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.

Stan Musial bridge in St. Louis, Missouri
October 5, 2017

A new assessment of channel bed erosion near 13 highway bridges in the greater St. Louis, Missouri, area is now available in an online report from the U.S. Geological Survey, produced in cooperation with the Missouri Department of Transportation.

Map showing decline of a potential human carcinogen, 1,4-dioxane, in the Tucson International Airport Area Superfund Site
September 27, 2017

Levels of a potential human carcinogen, 1,4-dioxane, have mostly declined in wells in the commercial and residential areas of the Tucson International Airport Area Superfund Site during 2002-2017, according to a new map published by the U.S. Geological Survey.

USGS visual identity - green
September 26, 2017

MODFLOW 6, the newest version of the world’s most widely used groundwater modeling software, is now available for download from the U.S. Geological Survey

A USGS hydrologic technician installs a Rapid-Deployment Gauge on a bridge in Norfolk, Virginia.
September 22, 2017

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

A USGS specialist installs a storm-tide sensor in Massachusetts before Hurricane Jose's arrival.
September 19, 2017

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

Barometric pressure sensor deployment, Puerto Rico
September 18, 2017

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

Aerial view of red dye in the Kootenai River
September 18, 2017

BONNERS FERRY, Idaho — From Sept. 24 through 29, scientists from the U.S. Geological Survey will conduct dye tracer and aerial mapping studies on northern Idaho’s Kootenai River. Data from the studies will support Idaho Department of Fish and Game and Kootenai Tribe of Idaho fisheries and river restoration projects.

USGS scientists J. Alton Anderson and Carole D. Johnson prepare to collect a Nuclear Magnetic Resonance (NMR) log at a well.
September 13, 2017

Digital borehole geophysical logs and related data files are now easily accessible through GeoLog Locator a new web-based, map view and retrieval tool developed by the U.S. Geological Survey.

Flooding on Atlantic Avenue in Garden City, SC
September 13, 2017

When a major storm is on the horizon, the USGS uses its water monitoring, coastal change, mapping, and modeling expertise to help prepare for, respond to, and recover from hurricanes and tropical storms.