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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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.
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."
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...
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.
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...
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...
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...
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...
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...
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 (...
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...
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.
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
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,...
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,...
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
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.
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...
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.
Johnson Creek Basin Stream Sites
Find stream data (streamflow, level, and water quality) for Johnson Creek, OR, using a map.
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.
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.
Current Conditions for Arkansas - Streamflow
To view current streamflow conditions for Arkansas click here
Clackamas River Basin Water-Quality Sites
Recent and historical data for USGS Clackamas River Basin water-quality monitors.
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.
Downloadable spatial data files for exploration and analysis.
Alabama Active Water Level Network
Alabama Counties depicted on the state location map with active wells
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.
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.
Buffalo National River Services and River Level Guide
Real-time displays of current floating conditions at various sites along the Arkansas Buffalo River.
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)
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).
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.
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.
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,
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).
Mississippi and Ohio River 7-Day Summary and Forecast
River and Coastal Forecast Information
Mississippi and Ohio River 7-Day Summary and Forecast
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.
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
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.
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
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
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.
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.
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. 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. 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. 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 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.
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.
Reston stable isotope lab RSIL Reference Caps
Reston stable isotope lab RSIL Reference Caps
Reston stable isotope lab RSIL Reference Hair
Reston stable isotope lab RSIL Reference Hair
Reston stable isotope lab RSIL Reference Oil
Reston stable isotope lab RSIL Reference Oil
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
A view of the Research Vessel (R/V) Polaris' pilot house and wheel.
USGS Active Groundwater Level Network 3.12.18
USGS Active Groundwater Level Network 3.12.18
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!
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
Blackfeet Reservation Groundwater Monitoring Program Study Area Map
Reston Microbiology Laboratory 2016
The Reston Microbiology Laboratory Group headed by Denise Akob. 2016
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...
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.
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.
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.
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.
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.
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.
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.
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.
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.
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
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.
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.
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Locations
New York Water Science Center - Coram Program Office
saterrac@usgs.gov
Phone: (631) 736-0783
Fax: (631) 736-4283
Fork Polk Project Office
Phone: (337) 531-4522 Fax:
Fax: (337) 531-6039
Alaska Science Center
Phone: (907) 786-7000
Fax: (907) 786-7020
Chesapeake Bay Activities
Phone: 443-498-5552
Fax: 443-498-5510
Wisconsin Water Science Center - Main Office
Phone: 608-828-9901
Fax: 608-821-3817
Colorado Water Science Center - Main Office
Phone: 303-236-6900
Fax: 303-236-4912
South Atlantic Water Science Center - Raleigh, NC Office
Phone: (919) 571-4000
Fax: (919) 571-4041
MD-DE-DC Water Science Center
information@usgs.gov
Phone: 443-498-5500
Fax: 442-498-5510
Kansas Water Science Center
Phone: (785)-760-0187
Fax: (785) 832-3500
South Atlantic Water Science Center - Columbia, SC Office
Phone: (803) 750-6100
Fax: (803) 750-6181
California Water Science Center - Sacramento Projects Office
Phone: (916) 278-3000
Fax: (916) 278-3070
Illinois Water Science Center
Phone: 217-328-8747
Fax: 217-328-9770
South Atlantic Water Science Center - Norcross, GA Office
Phone: (678) 924-6700
Fax: (678) 924-6710
Arizona Water Science Center, Tucson Office
Phone: (520) 670-6671
Fax: (520) 670-5592
Dakota Water Science Center- Bismarck
Phone: (701) 250-7400
Fax: (701) 250-7429
Caribbean-Florida Water Science Center - Florida Office
Phone: (813) 498-5000
Fax: (813) 498-5002
New England Water Science Center - Connecticut Office
Phone: 860-291-6740
Fax: 860-291-6799
Indiana - Indianapolis Office
mgriffin@usgs.gov
Phone: (317) 290-3333
Fax: (317) 290-3313
Virginia Water Science Center
Phone: (804) 261-2600
Fax: (804) 261-2657
Idaho Water Science Center
Phone: Phone: (208) 387-1300
Fax: (208) 387-1372
Iowa Water Science Center
Phone: 319-337-4191
Fax: (319) 358-3606
West Virginia Water Science Center
Phone: (304) 347-5130
Fax: (304) 347-5133
Nebraska Water Science Center
Phone: (402) 328-4100
Fax: (402) 437-5139
Kentucky Water Science Center
Phone: (502) 493-1900
Fax: (502) 493-1909
New England Water Science Center - Massachusetts/Rhode Island Office
Phone: (508) 490-5000
Fax: (508) 490-5068
Upper Midwest Environmental Sciences Center
Phone: (608) 783-6451
Lower Mississippi-Gulf Water Science Center - Nashville, TN Office
GS-W-TNnsh Webmaster@usgs.gov
Phone: (615) 837-4700
Fax: (615) 837-4799
Michigan-Ohio Water Science Center - Michigan Office
Phone: 517-887-8903
Fax: 517-887-8937
New England Water Science Center - Maine Office
Phone: 207 622-8201
Pennsylvania Water Science Center
Phone: (717) 730-6900
Fax: (717) 730-6997
Missouri Water Science Center
Phone: 573-308-3667
Fax: (573) 308-3645
Pacific Islands Water Science Center, Main Office
Phone: 808-690-9600
Fax: 808-690-9599
New Jersey Water Science Center
Phone: (609) 771-3900
Fax: (609) 771-3915
Minnesota Water Science Center
Phone: (763) 783-3100
Fax: (763) 783-3103
New England Water Science Center - New Hampshire/Vermont Office
Phone: (603) 226-7800
Fax: (603) 226-7894
Lower Mississippi-Gulf Water Science Center - Montgomery, AL Office
Phone: (334) 395-4140
Fax: (334) 395-4168
Ruston Program Office
Phone: (318) 251-9630
Fax: (318) 251-0372
Washington Water Science Center
Phone: (253) 552-1600
Fax: (253) 552-1581
Lower Mississippi-Gulf Water Science Center - Jackson, MS Office
Phone: (601) 933-2900
Fax: (601) 933-2901
Kentucky - Louisville Office
mgriffin@usgs.gov
Phone: (502) 493-1900
Fax: (502) 493-1909
Nevada Water Science Center
Phone: (775) 887-7600
Fax: (775) 887-7629
Ohio - Columbus Office
mgriffin@usgs.gov
Phone: 614-430-7700
Fax: 614-430-7777
Oregon Water Science Center
info-or@usgs.gov
Phone: (503) 251-3200
Fax: (503) 251-3470
Arkansas Water Science Center
Phone: (501) 228-3600
Fax: (501) 228-3601
Kentucky - Williamsburg Field Office
mgriffin@usgs.gov
Phone: (606) 549-2406
Fax: (606) 549-5400
Utah Water Science Center
angeroth@usgs.gov
Phone: (801) 908-5000
Fax: (801) 908-5001
Lower Mississippi-Gulf Water Science Center - Baton Rouge, LA Office
Phone: (225) 298-5481
Fax: (225) 298-5490
Kentucky - Murray Field Office
mgriffin@usgs.gov
Phone: (270) 759-2460
Fax: (270) 649-2461
Texas Water Science Center
Phone: (512) 927-3500
Fax: (512) 927-3590
Caribbean-Florida Water Science Center - Puerto Rico Office
Phone: (787) 749-7400
Reston Stable Isotope Laboratory (RSIL)
Phone: 703-648-5859
Lower Mississippi-Gulf Water Science Center - Fayetteville, AR Office
Phone: (479) 442-4888
Michigan-Ohio Water Science Center - Escanaba Field Office
Phone: 906-786-0714
Fax: 906-786-5461
Michigan-Ohio Water Science Center - Grayling Field Office
Phone: 989-348-8291
Fax: 989-348-6866
Lower Mississippi-Gulf Water Science Center - Ruston, LA Office
Phone: (318) 251-9630
New York Water Science Center - Potsdam Field Office
Phone: (315) 265-4410 / (518) 285-5602
Fax: (315) 265-2166
Northwest Washington Field Office
Phone: (360) 312-8155 x2001
Fax: (360) 312-8565
Medford Field Office
Phone: 541-776-4256
Fax: 541-776-4257
Pacific Islands Water Science Center, Maui Field Office
Phone: 808-877-6135
Klamath Falls Field Office
Phone: 541-273-8689
Wichita Field Office
Phone: (316) 773-3225
Hays Field Office
Phone: (785) 623-2848
