Images

NWQL scientist loading vials into an analysis system at the National Water Quality Laboratory.

NWQL scientist operates a water chemistry device to analyze water quality.

NWQL scientist adjusting instrumentation on an analyzer during a water‑quality testing procedure.

NWQL scientist preparing a volumetric flask solution for analysis using precise pipetting techniques.

This map represents the average amount of water withdrawn each month for industrial use for all subwatersheds (12-digit Hydrologic Unit Codes or HUC12s) in the conterminous United States (CONUS).

This map represents the average amount of water withdrawn each month for domestic self-supply use for all subwatersheds (12-digit Hydrologic Unit Codes or HUC12s) in the conterminous United States (CONUS).

This map represents the average amount of water withdrawn each month for livestock use for all subwatersheds (12-digit Hydrologic Unit Codes or HUC12s) in the conterminous United States (CONUS).

Vintage-style poster of the Colorado River with a USGS water quality monitor portrayed on pulleys across the canyon. Poster created for WMA Great American Waterways Campaign. 

Illustration by Althea A. Archer, USGS 

Vintage-style poster of the Columbia River flowing alongside Mount Hood with a USGS streamgage featured in the foreground. Poster created for WMA Great American Waterways Campaign. Illustration by Althea A. Archer, USGS

Vintage-style poster of St. Anthony Falls on the Mississippi River showing a streamgage in the foreground. Illustration by Althea A. Archer, USGS. Poster created for WMA Great American Waterways Campaign.

Illustration by Althea A. Archer, USGS

Vintage-style poster of the Delaware River near the Delaware Water Gap with a USGS gage on the bridge in the foreground. Poster created for WMA Great American Waterways Campaign.

Illustration by Althea A. Archer, USGS

Vintage-style poster of Chesapeake Bay with a USGS gage and blue crab on the shoreline in the foreground and estuaries feeding the bay the background. Illustration by Althea A. Archer, USGS  Poster created for WMA Great American Waterways Campaign.

Illustration by Althea A. Archer, USGS

Vintage-style poster of a Great Lake during sunset with a USGS streamgage in the foreground on the shore. Poster created for WMA Great American Waterways Campaign.

Illustration by Althea A. Archer, USGS

This model computes the amount of water withdrawn for public supply each month over the period from 2000 to 2020 for all subwatersheds (12-digit Hydrologic Unit Codes or HUC12s) in the conterminous United States (CONUS).

This model computes the amount of water withdrawn and consumed by thermoelectric power plants each month over the period from 2008 to 2020 for all subwatersheds (12-digit Hydrologic Unit Codes or HUC12s) in the conterminous United Sta

This model computes the amount of crop irrigation withdrawals each month over the period from 2000 to 2020 for all subwatersheds (12-digit Hydrologic Unit Codes or HUC12s) in the conterminous United States (CONUS).

Heather Hutchcraft, a University of Alabama engineering student, receiving hands-on training at the HIF with the BLZZRD water sampling system through a collaborative USGS and University of Maryland research partnership.

Tyler Bowser, Physical Scientist with the USGS Maryland-Delaware-D.C. Water Science Center, collecting water samples during 6PPD-quinone (6PPD-Q) transport experiments in the HIF tilting flume.

Tyler Bowser, Physical Scientist with the USGS Maryland-Delaware-D.C. Water Science Center, introducing sediment into the HIF tilting flume to establish controlled sediment transport conditions for laboratory experimentation.

Jeremy Malen, Hydrologic Technician with the USGS Maryland-Delaware-D.C. Water Science Center, applying his field sampling expertise to laboratory experiments aboard the HIF tilting flume carriage.

Sample bottles containing suspended sediment collected during tilting flume experiments at the Hydrologic Instrumentation Facility (HIF).