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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Oregon Water Use Program
With the ever-increasing rate of utilization of and competition for water (particularly during periods of drought) accurate, current water-use information is of considerable value. This is particularly so in determining future water availability in hydrologically critical areas and for making sound resource-management decisions. For the Oregon Water Science Center, a viable water-use data-...
SPARROW Model Assessments of Nutrients and Suspended Sediment in the Pacific Northwest and California
SPARROW can be used to relate water-quality data to landscape characteristics, such as natural properties and human activities
Malheur Lake Light Transmission Study
The Malheur National Wildlife Refuge provides habitat for a variety of highly valued ecosystem services, including shorebirds, waterfowl, and a diversity of other wildlife species.
Future Climate Effects on Columbia and Willamette River Levees
USGS research directly helps local public agencies that are responsible for the design and maintenance of the levees that surround the northern Portland metropolitan area with the goal of protecting life and property in the event of flooding from the Columbia and Willamette Rivers that surround the city.
Upper Klamath River Basin Forecasts
"Determining water availability in the Upper Klamath Basin has always had a degree of uncertainty as a result of the complex hydrology and geology in the region and limited streamflow data."
Spring Vulnerability Study for Southeastern Oregon
Evaluating Spring Vulnerability to Climate Change on BLM Priority Management Areas in Southeastern Oregon
Harney Basin Groundwater Study
This study will characterize and quantify the groundwater system in the Harney Basin to address gaps in our present understanding.
Willamette River Basin Dissolved Gas Monitoring Network
USGS total dissolved gas (TDG) data help guide spill and discharge management from dams operated along tributaries of the Willamette River.
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.
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.
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Computed instantaneous suspended-sediment concentration in Williamson River
Suspended-sediment concentration data from National Real-Time Water Quality (NRTWQ) website.
Tualatin River Basin Water-Quality Sites
Map of currently active monitors in the Tualatin River Basin, Oregon.
Tualatin River Basin Water-Quality Samples
Real-time compilation of water quality samples for Tualatin River Basin from USGS National Water Information System (NWIS).
Harney Basin Data Mapper
Map viewer of groundwater sites in the Harney Basin, Oregon
Oregon Streamflow Table
Table of current streamflow conditions for 245 site(s) in Oregon.
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.
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.
National Water Information System (NWIS) - Oregon
National Water Information System: Mapper (Oregon)
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,...
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.
Downloadable spatial data files for exploration and analysis.
Alabama Climate Response Network
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
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).
Linking transit times to catchment sensitivity to atmospheric deposition of acidity and nitrogen in mountains of the western United States
Transit times are hypothesized to influence catchment sensitivity to atmospheric deposition of acidity and nitrogen (N) because they help determine the amount of time available for infiltrating precipitation to interact with catchment soil and biota. Transit time metrics, including fraction of young water (Fyw) and mean transit time (MTT), were...
Clow, David W.; Mast, M. Alisa; Sickman, James O.
Detections of current-use pesticides at 12 surface water sites in California during a 2-year period beginning in 2015
Surface water samples were collected by the U.S. Geological Survey and multiple cooperators during base flow/irrigation runoff and storm runoff conditions from 12 sites throughout California, over 2 consecutive years beginning in April 2015, from both urban and agriculturally dominated watersheds. Water samples were analyzed by gas chromatography/...
Sanders, Corey J.; Orlando, James L. ; Hladik, Michelle L.
Rating stability, and frequency and magnitude of shifts, for streamgages in Virginia through water year 2013
The U.S. Geological Survey, in cooperation with the Virginia Department of Environmental Quality, has quantified several measures of rating stability and the frequency and magnitude of changes to ratings through time for 174 real-time continuous streamgages active in Virginia as of September 30, 2013. Generalized additive models (GAMs) were fitted...
Messinger, Terence; Burgholzer, Robert W.
Spatial and temporal trends in selenium in the upper Blackfoot River watershed, southeastern Idaho, 2001–16
Phosphate mining in southeastern Idaho has been an important economic driver for the region and State for over 100 years, but weathering of mining waste rock has also released selenium into the Blackfoot River. This report analyzes and presents data from three separate but complementary studies monitoring selenium in streams in the region. The U.S...
Zinsser, Lauren M.; Mebane, Christopher A.; Mladenka, Greg C.; Van Every, Lynn R.; Williams, Marshall L.
Comparison of regression relations of bankfull discharge and channel geometry for the glaciated and nonglaciated settings of Pennsylvania and southern New York
Streambank erosion in areas of past glacial deposition has been shown to be a dominant source of sediment to streams. Water resource managers are faced with the challenge of developing long and short term (emergency) stream restoration efforts that rely on the most suitable channel geometry for project design. A geomorphic dataset of new (2016, n=...
Clune, John W.; Chaplin, Jeffrey J.; White, Kirk E.
Groundwater discharge characteristics for selected streams within the Loup River Basin, Nebraska, 2014–16
Streams in the Loup River Basin are sensitive to groundwater withdrawals because of the close hydrologic connection between groundwater and surface water. Groundwater discharge is the primary component of streamflow in the Loup River Basin and constitutes more than 90 percent of streamflow in the central part of the Sand Hills. To improve the...
Hobza, Christopher M.; Schepers, Aaron R.
Preliminary groundwater salinity mapping near selected oil fields using historical water-sample data, central and southern California
The distribution of groundwater salinity was mapped for 31 oil fields and adjacent aquifers and summarized by 8 subregions across major oil-producing areas of central and southern California. The objectives of this study were to describe the distribution of groundwater near oil fields having total dissolved solids less than 10,000 milligrams per...
Metzger, Loren F.; Landon, Matthew K.
Refinement of a regression-based method for prediction of flow-duration curves of daily streamflow in the conterminous United States
Regional regression is a common tool used to estimate daily flow-duration curves (FDCs) at ungaged locations. In this report, several refinements to a particular implementation of the regional regression method for estimating FDCs are evaluated by consideration of different methodological options through a leave-one-out cross-validation procedure...
Over, Thomas M.; Farmer, William H.; Russell, Amy M.
Coeur d’Alene Basin Environmental Monitoring Program, surface water, northern Idaho—Annual data summary, water year 2017
Streams within the Coeur d’Alene River drainage basin in northern Idaho have been extensively affected by historical mining activities and are subject to ongoing remedial actions as part of the Bunker Hill Mining & Metallurgical Complex Superfund Site. The U.S. Geological Survey (USGS) operates 12 real-time streamgages and collects surface-...
Zinsser, Lauren M.
Prioritization of oil and gas fields for regional groundwater monitoring based on a preliminary assessment of petroleum resource development and proximity to California’s groundwater resources
The California State Water Resources Control Board initiated a regional monitoring program in July 2015 to determine where and to what degree groundwater quality may be adversely impacted by oil and gas development activities. A key issue in the implementation of the regional groundwater monitoring program is that each year, detailed...
Davis, Tracy; Landon, Matthew K.; Bennett, George L.
Geohydrology, geochemistry, and numerical simulation of groundwater flow and land subsidence in the Bicycle Basin, Fort Irwin National Training Center, California
Groundwater pumping from Bicycle Groundwater Basin (referred to as Bicycle Basin) in the Fort Irwin National Training Center, California, began in 1967. From 1967 to December 2010, about 46,000 acre-feet of water had been pumped from the basin and transported to the Irwin Basin. During this time, not only did water levels in the basin decline by...
Densmore, Jill N.; Woolfenden, Linda R.; Rewis, Diane L.; Martin, Peter M.; Sneed, Michelle; Ellett, Kevin M.; Solt, Michael; Miller, David M.
Modeling managed flows in the Sacramento/San Joaquin watershed, California, under scenarios of future change for CASCaDE2
Projections of managed flows from the Sacramento River/San Joaquin River watershed, California, into the San Francisco Bay and Sacramento-San Joaquin Delta under scenarios of future climate change are needed for evaluations of potential impacts on water supply and estuarine ecosystems. A new, multiple-model approach for achieving this is described...
Knowles, Noah; Cronkite-Ratcliff, CollinSoftware and related material (data and documentation) are made available by the USGS to be used in the public interest and the advancement of science.
Exploration and Graphics for RivEr Trends (EGRET)
Exploration and Graphics for RivEr Trends (EGRET) is an R-package for the analysis of long-term changes in water quality and streamflow, including the water-quality method Weighted Regressions on Time, Discharge, and Season (WRTDS).
Water Resources Applications Software
Software and related material (data and documentation) are made available by the U.S. Geological Survey (USGS) to be used in the public interest and the advancement of science.
Shoreline Management Tool
The Shoreline Management Tool—An ArcMap Tool for Analyzing Water Depth, Inundated Area, Volume, and Selected Habitats, with an Example for the Lower Wood River Valley, Oregon
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.
USGS scientists on the Colorado River in the Grand Canyon, AZ
USGS scientists on the Colorado River in the Grand Canyon, AZ
Grand Canyon bank Erosion.
Comparing 2009 vs 2014 Bank surface after erosion, Grand Canyon AZ.
Understanding Floods | Long-term Streamflow Data Collection (AD)
The USGS is developing methods to improve data collection during floods to gain new insight into the rise and fall of flood waters. In the past, the only data left behind after a flood was how high the water got, or the peak of the flood. This video presents the methodology that hydrologists are using to set up a Continuous Slope-area Reach in remote areas that are
...
Understanding Floods | Long-term Streamflow Data Collection
The USGS is developing methods to improve data collection during floods to gain new insight into the rise and fall of flood waters. In the past, the only data left behind after a flood was how high the water got, or the peak of the flood. This video presents the methodology that hydrologists are using to set up a Continuous Slope-area Reach in remote areas that are
...
Arial Image of the 2011 Missouri River Flood
Arial Image of the 2011 Missouri River Flood
Water Sampling on the Floodplain of the Missouri River
Water Sampling on the Floodplain of the Missouri River
Arial Image of the Deposits of the 2011 Missouri River Flood
Arial Image of the Effects of the 2011 Missouri River Flood
Map of the U.S. by state, showing total water withdrawals, 2015
Map of the U.S. by state, showing total water withdrawals, 2015
Indirect Measurement Field Notes and Metadata
This video describes the notes and other metadata that need to be recorded during indirect measurement surveys.
June 2018 "People" category winner Molly Schreiner
Molly Schreiner water quality sampling at Bound Brook in Middlesex, NJ
Not All Arsenic Tests are Created Equal
The reliability of arsenic testing for drinking water in Minnesota depends on how and when well water samples are collected, according to a new U.S. Geological Survey and the Minnesota Department of Health study, which highlights ways to improve the accuracy of arsenic tests for private wells.
Water-Quality Monitoring Program Aids Restoration of Great Lakes
A new water-quality monitoring program, established by the U.S. Geological Survey, can provide scientists and managers with the best available data to help evaluate the health of Great Lakes ecosystems and improve water quality for recreation and commercial fishing.
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
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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
Wisconsin Water Science Center - Main Office
Phone: 608-828-9901
Fax: 608-821-3817
Kansas Water Science Center
Phone: (785) 842-9909
Fax: (785) 832-3500
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
Illinois Water Science Center
Phone: 217-328-8747
Fax: 217-328-9770
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
Dakota Water Science Center- Bismarck
Phone: (701) 250-7400
Fax: (701) 250-7429
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
Indiana - Indianapolis Office
mgriffin@usgs.gov
Phone: (317) 290-3333
Fax: (317) 290-3313
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
Iowa Water Science Center
Phone: 319-337-4191
Fax: (319) 358-3606
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
Kentucky Water Science Center
Phone: (502) 493-1900
Fax: (502) 493-1909
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
Michigan-Ohio Water Science Center - Michigan Office
Phone: 517-887-8903
Fax: 517-887-8937
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
Missouri Water Science Center
Phone: 573-308-3667
Fax: (573) 308-3645
New England Water Science Center - Maine Office
Phone: 207 622-8201
Pennsylvania Water Science Center
Phone: (717) 730-6900
Fax: (717) 730-6997
Minnesota Water Science Center
Phone: (763) 783-3100
Fax: (763) 783-3103
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
Lower Mississippi-Gulf Water Science Center - Montgomery, AL Office
Phone: (334) 395-4131
Fax: (334) 395-4168
Ruston Program Office
Phone: (318) 251-9630
Fax: (318) 251-0372
New England Water Science Center - New Hampshire/Vermont Office
Phone: (603) 226-7800
Fax: (603) 226-7894
Lower Mississippi-Gulf Water Science Center - Jackson, MS Office
Phone: (601) 933-2900
Fax: (601) 933-2901
Washington Water Science Center
Phone: (253) 552-1600
Fax: (253) 552-1581
Ohio - Columbus Office
mgriffin@usgs.gov
Phone: 614-430-7700
Fax: 614-430-7777
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
Arkansas Water Science Center
Phone: (501) 228-3600
Fax: (501) 228-3601
Oregon Water Science Center
info-or@usgs.gov
Phone: (503) 251-3200
Fax: (503) 251-3470
Lower Mississippi-Gulf Water Science Center - Baton Rouge, LA Office
Phone: (225) 298-5481
Fax: (225) 298-5490
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
Caribbean-Florida Water Science Center - Puerto Rico Office
Phone: (787) 749-7400
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
Alaska Science Center
Phone: (907) 786-7000
Fax: (907) 786-7020
Chesapeake Bay Activities
Phone: 443-498-5552
Fax: 443-498-5510
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
