Mission Areas

Water

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Information about water is fundamental to the 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, and conduct targeted research on the wide range of water resources and conditions, including streamflow, groundwater, water quality, and water use and availability.

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USGS Current Water Data for the Nation

USGS Current Water Data for the Nation

Explore current streamflow conditions for the United 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

Surface Water Information

Water Quality Information

Water Use Information

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News

Tuktu Bluffs of the Alaska North Slope
May 23, 2017

Budget Focuses on Core USGS Science and Efficiency

Housing structure for USGS Stream gage with Clear Fork Mohican River in the background
May 11, 2017

The United States Geological Survey (USGS) operates a network of real-time streamgages that continually record stage and streamflow every 15 to 60 minutes. 

A map of Pennsylvania indicating radon concentrations of water samples collected during a multi-year groundwater radon study. Ma
May 11, 2017

A new U.S. Geological Survey study has discovered high levels of radon in wells across certain areas of Pennsylvania.

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: 86
Large River Science in MO River Basin
April 14, 2018

Expertise in large river research provides science information to inform decisions on river management and restoration in the Midwest Region. Connectivity is a fundamental concept in river ecology and refers to opportunities for water to flow along and through riverine ecosystems. It is considered one of the primary drivers of river productivity, biological diversity and ecosystem health.

Collecting Water Samples fro the Couer d'Alene BEMP
May 26, 2017

We partner with the EPA to conduct long-term water-quality and streamflow monitoring and streamflow measurements in the Coeur d’Alene River Basin, which has been widely impacted by historic mining activities. We collect water-quality samples 2-4 times per year at 20 sites throughout the basin. Our scientists analyze these samples for metals, hardness, sediment,...

Lookout Point Dam
May 18, 2017

Hills Creek, Lookout Point, and Dexter Dams are located on the Middle Fork Willamette River upstream of Eugene in western Oregon, and are important resources managed by the U.S. Army Corps of Engineers (USACE) for flood control, hydroelectric power, recreation, navigation, and irrigation. On the South Santiam River east of Albany in western Oregon, Green Peter and Foster Dams provide functions...

Crooked Canyon spring
May 16, 2017

Groundwater-level monitoring in the upper Deschutes Basin of central Oregon from 1997 to 2008 shows water-level declines in some places that are larger than might be expected from climate variations alone, raising questions regarding the influence of groundwater pumping, canal lining (which decreases recharge), and other human influences. Between the mid-1990s and mid-2000s, water levels in...

Keno reach of the Klamath River
May 9, 2017

The Klamath River from Link River to Keno Dam experiences poor water-quality conditions on a seasonal basis, creating inhospitable conditions for fish and other aquatic organisms. The Link River, the Klamath Straits Drain, and the Klamath River at Keno all were classified as having "very poor" water quality in summer by the Oregon Water Quality Index. The Klamath River in this reach...

McKenzie River
May 1, 2017

Drinking water for the city of Eugene, Oregon, is drawn from the McKenzie River, a high-quality source that is nonetheless threatened by urban, agricultural, and forestry land uses upstream as well as by changes in water management in the watershed. The Eugene Water and Electric Board (EWEB) developed a Drinking Water Source Protection plan for the McKenzie River Watershed that includes...

Shenandoah municipal and industrial discharges
May 1, 2017

A key component to assessing the contaminant exposure pathways in streams and rivers of the Chesapeake Bay is using GIS-based landscape analysis to identify sources of endocrine disrupting chemicals. Municipal and industrial wastewater treatment plant (WWTP) discharges are potentially major sources of EDCs to streams, and therefore understanding the de facto wastewater reuse (represented as...

Old Perpetual Geyser
April 11, 2017

A joint study between the USGS Water and Energy Mission Areas has the main goals of quantifying groundwater resources and geothermal energy potential in much of eastern Oregon, northeastern California, southwestern Idaho, and northernmost Nevada. This study area lies within a broadly-defined Northwest Volcanic Province (NVP) that has been dominated by volcanic eruptions that have shaped the...

Supplemental irrigation well in the Klamath Basin
March 22, 2017

Since the late 1990s the U.S Geological Survey has been working to characterize the regional groundwater hydrology of the Klamath Basin above Iron Gate Dam (referred to here as the upper Klamath Basin) by collecting data to help understand the state of the groundwater system and its response to external stresses, and to develop computer models to provide insights useful for water management....

Agricultural lands in Arizona, thumbnail
March 9, 2017

Because of the predominantly semiarid to arid climate in Arizona, economic development in the State is largely influenced by access to adequate water supplies. Water demand is met by pumping ground water from aquifers or by conveying surface water through a system of reservoirs and canals. Anthropogenic water use is a significant component of the hydrologic cycle in Arizona, and accurate...

Scientist services an automatic sampler, in the snow, that has been installed at the gaging station on Clear Creek in Nevada.
March 9, 2017

The Nevada Department of Transportation is concerned about how historical and ongoing development in the Clear Creek drainage basin has/is affecting Clear Creek and its sediment-transport characteristics. Clear Creek is a small alpine stream that begins near Lake Tahoe. The USGS Nevada Water Science Center, in cooperation with the Nevada Department of Transportation, has been...

Coastal Change Portal Hurricane Matthew 2016
February 22, 2017

As Hurricane Matthew moves up the Atlantic coast of the U.S., the USGS South Atlantic Water Science Center (SAWSC) deployed most of the USGS Storm-Tide Network along the Atlantic coast to monitor the timing, extent, and magnitude of the storm tide during the passage of Hurricane Matthew.

• Go to the USGS Hurricane...

The USGS investigates the occurrence, quantity, quality, distribution, and movement of surface and underground waters and disseminates the data to the public, State and local governments, public and private utilities, and other Federal agencies involved with managing our water resources. Explore our water resources data!

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Water use data for the South Atlantic Water Science Center (NWISWeb)
May 22, 2017

Water use data for the South Atlantic Water Science Center (NWISWeb)

Water-use data are collected by area type (state, county, watershed, or aquifer) and source (rivers or groundwater), and category (such as public supply or irrigation). Water-use data has been reported every five years since 1950. The USGS works with local, State, and Federal agencies as well as other organizations to collect and report withdrawals.

Georgia || North Carolina || South Carolina

Bibiocephala dorsal vent
February 2, 2017

North American Aquatic Macroinvertebrate Digital Reference Collection

Aquatic invertebrates are a key component of freshwater ecosystems, and an understanding of aquatic invertebrate taxonomy is central to freshwater science. The North American Aquatic Macroinvertebrate Digital Reference Collection (NAAMDRC) was created by the USGS Aquatic Experimental Lab (AXL) to provide users with high-quality digital microscopy photographs.

Erosion along the Rio Puerco during the flood of 2006 following herbicide application to control saltcedar in 2003.
January 27, 2017

Lower Rio Puerco geospatial data, 1935 - 2014

A long-term study of the geomorphic history of the lower Rio Puerco arroyo in north-central New Mexico included the collection of high-precision (Real-time kinematic) GPS survey data (2002, 2007, 2010, and 2014), registration and rectification of historical aerial photographs (1935, 1950s, 1970s, and 1996), aerial LiDAR survey (2005) and post-flood (2006) satellite imagery.

USGS Current Water Data for the Nation
October 14, 2016

USGS Water Data Discovery

Are you looking for data for today, in the past, or what might happen in the future? Discover USGS Water Data resources here!

 Logo-Water Census Data Portal
April 18, 2016

National Water Census - Data Portal

At the National Water Census Data Portal you will find national estimates of water budget components for local watersheds, water withdrawal data for counties, tools to calculate statistics of daily streamflow records, modeled daily streamflow at ungaged stations, and access to records of aquatic biology observations.

small excerpt of Yosemite Valley topographic map in shades of green and brown
September 26, 2001

Geological Survey of Alabama - Downloadable GIS datasets

Spatial/GIS data sets for Alabama are available numerous spatial data clearinghouses. Spatial/GIS data sets for USGS studies that include Alabama or include parts of Alabama are also available from USGS.

Downloadable GIS Datasets, OGB GIS Datasets, Digital Raster Graphics (DRG), 1:24000 DRG, 1:100000 DRG, 1:250000 DRG, Hazards GIS Data, Hazards Data Water GIS Data, HUC 11 Watersheds

Downloadable spatial data files for exploration and analysis.

Filter Total Items: 18
Virginia Real-Time Precipitation Network
May 18, 2017

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. 

Map of ongoing project locations in U.S. National Parks, Assessing Endocrine Disrupting Chemicals Risk
January 24, 2017

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.

 

Map of Principal Aquifers of the United States
October 13, 2016

Explore water resources maps and GIS data.

Louisiana
September 30, 2016

River and Coastal Forecast Information

Lower Mississippi River Forecast Center, Slidell, Louisiana—(NWS)

 

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. 

Explore new publications and highlighted collections.

Filter Total Items: 1,411
Bacteria versus selenium: A view from the inside out
Year Published: 2017

Bacteria versus selenium: A view from the inside out

Bacteria and selenium (Se) are closely interlinked as the element serves both essential nutrient requirements and energy generation functions. However, Se can also behave as a powerful toxicant for bacterial homeostasis. Conversely, bacteria play a tremendous role in the cycling of Se between different environmental compartments, and bacterial...

Staicu, Lucian; Oremland, Ronald S.; Tobe, Ryuta; Mihara, Hisaaki
Staicu, L. C.; Oremland, R. S.; Tobe, R.; Mihara, H. Chapter 6: Bacteria Versus Selenium: A View from the Inside Out. In Selenium in plants; Plant Ecophysiology; Springer International Publishing, 2017; Vol. 11, pp 79–108. http://dx.doi.org/10.1007/978-3-319-56249-0_6
Evaluating the impact of irrigation on surface water – groundwater interaction and stream temperature in an agricultural watershed
Year Published: 2017

Evaluating the impact of irrigation on surface water – groundwater interaction and stream temperature in an agricultural watershed

Changes in groundwater discharge to streams caused by irrigation practices can influence stream temperature. Observations along two currently flood-irrigated reaches in the 640-square-kilometer upper Smith River watershed, an important agricultural and recreational fishing area in west-central Montana, showed a downstream temperature decrease...

Essaid, Hedeff I.; Caldwell, Rodney R.
Essaid, H. I., and Caldwell, R. R., 2017, Evaluating the impact of irrigated agriculture on surface water – groundwater interaction and stream temperature in an agricultural watershed: Science of the Total Environment, v. 599-600, pp. 581-596.
U.S. Geological Survey Karst Interest Group Proceedings, San Antonio, Texas, May 16–18, 2017
Year Published: 2017

U.S. Geological Survey Karst Interest Group Proceedings, San Antonio, Texas, May 16–18, 2017

Introduction and AcknowledgmentsKarst aquifer systems are present throughout parts of the United States and some of its territories, and have developed in carbonate rocks (primarily limestone and dolomite) and evaporites (gypsum, anhydrite, and halite) that span an interval of time encompassing more than 550 million years. The depositional...

Kuniansky, E.L., and Spangler, L.E., eds., 2017, U.S. Geological Survey Karst Interest Group Proceedings, San Antonio, Texas, May 16–18, 2017: U.S. Geological Survey Scientific Investigations Report 2017–5023, 245 p., http://doi.org/10.3133/sir20175023.
A practical method for the determination of total selenium in environmental samples using isotope dilution-hydride generation-inductively coupled plasma-mass spectrometry
Year Published: 2017

A practical method for the determination of total selenium in environmental samples using isotope dilution-hydride generation-inductively coupled plasma-mass spectrometry

A safe, practical, and accurate method for the determination of selenium (Se) in range of environmental samples was developed. Small sample masses, 5–20 mg, were amended with 82Se enriched isotope for the isotope dilution (ID), preceding a multi-step wet digestion with nitric acid (HNO3) and hydrogen peroxide (H2O2). Samples were incubated in an...

Kleckner, Amy E.; Kakouros, Evangelos; Stewart, A. Robin
Kleckner, A. E., E. Kakouros, and A. R. Stewart. 2017. A practical method for the determination of total selenium in environmental samples using Isotope Dilution-Hydride Generation-Inductively Coupled Plasma-Mass Spectrometry. Limnol. Oceanogr. Methods 15: 363-371. http://dx.doi.org/10.1002/lom3.10164
Planting richness affects the recovery of vegetation and soil processes in constructed wetlands following disturbance
Year Published: 2017

Planting richness affects the recovery of vegetation and soil processes in constructed wetlands following disturbance

The resilience of constructed wetland ecosystems to severe disturbance, such as a mass herbivory eat-out or soil disturbance, remains poorly understood. In this study, we use a controlled mesocosm experiment to examine how original planting diversity affects the ability of constructed freshwater wetlands to recover structurally and functionally...

Means, Mary M.; Ahn, Changwoo; Noe, Gregory
Means, M.M., C. Ahn, and G.B. Noe. 2017. Planting richness affects the recovery of vegetation and soil processes in created wetlands following disturbance. Science of the Total Environment 579: 1366-1378.
Density-driven free-convection model for isotopically fractionated geogenic nitrate in sabkha brine
Year Published: 2017

Density-driven free-convection model for isotopically fractionated geogenic nitrate in sabkha brine

Subsurface brines with high nitrate (NO3−) concentration are common in desert environments as atmospheric nitrogen is concentrated by the evaporation of precipitation and little nitrogen uptake. However, in addition to having an elevated mean concentration of ∼525 mg/L (as N), NO3− in the coastal sabkhas of Abu Dhabi is enriched in 15N (mean δ15N...

Wood, Warren W.; Bohlke, John Karl
Wood, W.W., and Böhlke, J.K., 2017, Density-driven free-convection model for isotopically fractionated geogenic nitrate in sabkha brine. Groundwater, v. 55(2), p. 199-207, doi: 10.1111/gwat.12463
Stable isotopic composition of perchlorate and nitrate accumulated in plants: Hydroponic experiments and field data
Year Published: 2017

Stable isotopic composition of perchlorate and nitrate accumulated in plants: Hydroponic experiments and field data

Natural perchlorate (ClO4−) in soil and groundwater exhibits a wide range in stable isotopic compositions (δ37Cl, δ18O, and Δ17O), indicating that ClO4− may be formed through more than one pathway and/or undergoes post-depositional isotopic alteration. Plants are known to accumulate ClO4−, but little is known about their ability to alter its...

Estrada, Nubia Luz; Bohlke, John Karl; Sturchio, Neil C.; Gu, Baohua; Harvey, Greg; Burkey, Kent O.; Grantz, David A.; McGrath, Margaret T.; Anderson, Todd A.; Rao, Balaji; Sevanthi, Ritesh; Hatzinger, Paul B.; Jackson, W. Andrew
Estrada, N.L., Böhlke, J.K., Sturchio, N.C., Gu, B., Harvey, G., Burkey, K.O., Grantz, D.A., MacGrath, M.T., Anderson, T.A., Rao, B., Sevanthi, R., Hatzinger, P.B., and Jackson, W.A., 2017, Stable isotopic composition of perchlorate and nitrate accumulated in plants: Hydroponic experiments and field data. Science of the Total Environment, v. 595, p. 556–566, http://dx.doi.org/10.1016/j.scitotenv.2017.03.223.
Final synthesis report for factors controlling DDE dechlorination rates on the palos verdes shelf: A field and laboratory investigation
Year Published: 2017

Final synthesis report for factors controlling DDE dechlorination rates on the palos verdes shelf: A field and laboratory investigation

This project was organized into separate field and laboratory studies aimed at answering “18 questions” in the original Scope of Work (cf., section 2 of this report, Background, for explanation). Because of some early results, certain questions became irrelevant and were, therefore, not pursued. In other cases, there simply was not enough time to...

Eganhouse, Robert P.; Orem, William H.; Reinhard, Martin
Eganhouse, R., Orem, W. and Reinhard, M., Final Synthesis Report for Factors Controlling DDE Dechlorination Rates on the Palos Verdes Shelf: A Field and Laboratory Investigation, submitted to J. Huang, Remedial Project Manager, Region 9, U.S. Environmental Protection Agency, December 19, 2016, 31p.
Final data report for factors controlling DDE dechlorination rates on the Palos Verdes Shelf: A field and laboratory investigation
Year Published: 2017

Final data report for factors controlling DDE dechlorination rates on the Palos Verdes Shelf: A field and laboratory investigation

This data report provides a compilation of information developed over the last 6+ years by a multi-disciplinary, multi-institutional research team. The overall goal of this work has been to identify the biological, chemical, and physical factors that control rates of reductive dechlorination of DDE and DDMU in sediments of the Palos Verdes Shelf (...

Eganhouse, Robert P.; Pontolillo, James; Orem, William H.; Webster, Daniel M.; Hackley, Paul C.; Edwards, Brian D.; Rosenberger, Kurt; Dickhudt, Patrick; Sherwood, Christopher R.; Reinhard, Martin; Qin, Sujie; Dougherty, Jennifer; Hopkins, Gary; Marshall, Ian; Spormann, Alfred
Eganhouse, R., Pontolillo, J., DiFilippo, E., Orem, W., Webster, D., Hackley, P., Edwards, B., Rosenberger, K., Swarzenski, P., Dickhudt, P., Sherwood, C., Reinhard, M., Qin, S., Dougherty, J., Hopkins, G., Marshall, I. and Spormann, A., Final Data Report for Factors Controlling DDE Dechlorination Rates on the Palos Verdes Shelf: A Field and Laboratory Investigation, submitted to J. Huang, Remedial Project Manager, Region 9, U.S. Environmental Protection Agency, July 18, 2016, 1076p
Reversible reduction of estrone to 17β-estradiol by Rhizobium, Sphingopyxis, and Pseudomonas isolates from the Las Vegas Wash
Year Published: 2017

Reversible reduction of estrone to 17β-estradiol by Rhizobium, Sphingopyxis, and Pseudomonas isolates from the Las Vegas Wash

Environmental endocrine-disrupting compounds (EDCs) are a growing concern as studies reveal their persistence and detrimental effects on wildlife. Microorganisms are known to affect the transformation of steroid EDCs; however, the diversity of estrogen-degrading microorganisms and the range of transformations they mediate remain relatively little...

Blunt, Susanna; Benotti, Mark; Rosen, Michael R.; Hedlund, Brian; Moser, Duane
Blunt, S., Benotti, M., Rosen, M.R., Hedlund B., and Moser, 2017, Reversible Reduction of Estrone to 17β -estradiol by Rhizobium, Sphingopyxis, and Pseudomonas Isolates from the Las Vegas Wash. Journal of Environmental Quality, 46 281–287. https://dx.doi:10.2134/jeq2016.08.0286
Extent and persistence of secondary water quality impacts after enhanced reductive bioremediation
Year Published: 2017

Extent and persistence of secondary water quality impacts after enhanced reductive bioremediation

Electron donor (ED) addition can be very effective in stimulating enhanced reductive bioremediation (ERB) of a wide variety of groundwater contaminants. However, ERB can result in Secondary Water Quality Impacts (SWQIs) including decreased levels of dissolved oxygen (O2), nitrate (NO3- ), and sulfate (SO42- ), and elevated levels of dissolved...

Borden, Robert C.; Jason M. Tillotson; Ng, Gene-Hua Crystal.; Bekins, Barbara A.; Kent, Douglas B.; Curtis, Gary P.
Borden, R.C., Tillotson, J.M., Ng, G.C., Bekins, B.A., Kent, D.B., Curtis, G.P., 2015, Extent and Persistence of Secondary Water Quality Impacts after Enhanced Reductive Bioremediation, SERDP Project ER-2131
Ecosystem variability along the estuarine salinity gradient: Examples from long-term study of San Francisco Bay
Year Published: 2017

Ecosystem variability along the estuarine salinity gradient: Examples from long-term study of San Francisco Bay

The salinity gradient of estuaries plays a unique and fundamental role in structuring spatial patterns of physical properties, biota, and biogeochemical processes. We use variability along the salinity gradient of San Francisco Bay to illustrate some lessons about the diversity of spatial structures in estuaries and their variability over time...

Cloern, James E.; Jassby, Alan D.; Schraga, Tara; Kress, Erica S.; Martin, Charles A.
Cloern, J.E. A.D. Jassby, T.S. Schraga, E. Nejad and C.S. Martin. 2017. Ecosystem Variability along the Estuarine Salinity Gradient: Examples from Long-term Study of San Francisco Bay. Limnology and Oceanography. http://dx.doi.org/10.1002/lno.10537

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: 4
Water Use Site Retrieval Page Icon
July 4, 2016

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.

Example visualization of model output
April 14, 2016

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.

Upper Klamath Lake
April 3, 2013

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

Data entry for Calculate Streamflow Depletion by Nearby Pumping Well
May 16, 2008

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

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

Filter Total Items: 731
October 2106 (approx.)
In this video we will outline the process of collecting an open water station in the SonTek RSSL software. Note: Use of trade names is for descriptive purposes only, and does not imply endorsement by the USGS. For additional videos in this series, visit the following link: https://www2.usgs.gov/humancapital/ecd/hydrotube/hydrotube-ADCP.html
October 2106 (approx.)
In this video we will outline the pre-measurement tests conducted prior to a measurement in the SonTek RSSL software. Note: Use of trade names is for descriptive purposes only, and does not imply endorsement by the USGS. For additional videos in this series, visit the following link: https://www2.usgs.gov/humancapital/ecd/hydrotube/hydrotube-ADCP.html
two men in camo-patterned overalls standing next to a boat on the shore of a river with an instrument on the ground.
2017 (approx.)
USGS technicians prepare to board a boat to go out to the center of the channel in the San Joaquin River below Friant Dam to get an accurate measurement of water flow during releases from the Dam for flood control.
Gray metal box standing next to a river with a sign in green and black writing
2017 (approx.)
USGS Streamgaging Station in northern Nevada.
Unmanned Aerial System prior to takeoff
2017 (approx.)
This small unmanned aerial system with digital camera has been used to create digital elevation models to answer questions about erosion, bridge scour, and other hydraulics analyses.
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.
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.
man in yellow slicker standing in rushing river up to his thighs, holding a stick-like instrument in the water
2017 (approx.)
USGS hydrographer measuring streamflow using a handheld Acoustic Doppler Velocimeter in fast moving floodwater Cajon Creek near Keenbrook, California.
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...
Woman standing in middle of stream next to instruments
2017 (approx.)
USGS technician measuring streamflow in northern Nevada.
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.
scientific instruments and platform next to river surrounded by snow
2017 (approx.)
USGS Streamgaging equipment and cableway on the Pit River near Canby, California operates year round.
Filter Total Items: 310
Housing structure for USGS Stream gage with Clear Fork Mohican River in the background
May 11, 2017

The United States Geological Survey (USGS) operates a network of real-time streamgages that continually record stage and streamflow every 15 to 60 minutes. 

A map of Pennsylvania indicating radon concentrations of water samples collected during a multi-year groundwater radon study. Ma
May 11, 2017

A new U.S. Geological Survey study has discovered high levels of radon in wells across certain areas of Pennsylvania.

Measuring Streamflow
May 11, 2017

Gary Moore spent the last three days of 2015 stacking hefty bags of sand in front of a fellow church member’s brick home. With only 1,000 feet between the house and the swelling Mississippi and Meramec Rivers, Moore and other volunteers worked quickly, in frigid temperatures, to assemble a 10-foot high, 1,000-foot-long sandbag wall to ward off floodwaters.

Image: Old Faithful Erupting
May 10, 2017

Despite two centuries of scientific study, basic questions persist about geysers—why do they exist? What determines their behavior?

USGS logo
May 3, 2017

A report published today by the U.S. Geological Survey, in cooperation with the Connecticut Department of Public Health, reveals that water from some private wells across the state has registered high levels of Arsenic and Uranium.

USGS hydrologic technician Christopher Rowden verifies the accuracy of streamgage information at the Jacks Fork River.
April 30, 2017

Reporters: Do you want to interview USGS scientists as they measure flooding? Please contact Jennifer LaVista.

Low-flying helicopter survey
April 27, 2017

Starting on May 2 and lasting for about two days, a helicopter towing a large, cylindrical sensor will make low-level flights over parts of Cedar Rapids as part of a groundwater survey.

Walker Lake on a Spring day
April 24, 2017

USGS model simulations suggest that Walker Lake will rise by as much as 15 to 18 feet this year, the most in a single year in recorded history.

Hydrologic Regions of Alaska
April 14, 2017

While freshwater ecosystems cover only a small amount of the land surface in Alaska, they transport and emit a significant amount of carbon, according to new U.S. Geological Survey research. An invited feature article for Ecological Applications provides the first-ever major aquatic carbon flux assessment for the entire state. Carbon flux refers to the rate of carbon transfer between pools.

This image shows a damaged street sign and flood debris left behind by record flood waters of the Blanco River near Martindale,
April 10, 2017

The new “Water On-the-Go” mobile app gives the public easy access to current conditions in streams across Texas. This product was developed by the U.S. Geological Survey to help raise water awareness during both floods and normal conditions.

Little Plover River Wells
April 6, 2017

Both irrigation wells and municipal wells affect flows in the Little Plover River near Plover, Wisconsin, stretches of which ran dry in past years, according to a new scientific report.