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USGS Water-Quality Information

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 [Photo: USGS scientist collects water-quality samples.]

USGS scientists deploy SPMD and POCIS samplers to collect waterborne contaminants in Manoa Stream on Oahu, Hawaii.


Press Releases

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Water Quality Data

Today's Water Conditions

Get continuous real-time water-quality measurements from Water-Quality Watch maps.
[Sample Water-Quality Watch Map]

Water Quality Portal (WQP)

Get current and historical USGS and EPA water-quality data at the WQP.


Get stream ecosystem aquatic bioassessment data from BioData.

For More Data

View a complete list of USGS water-quality data resources.

USGS in Your Area

USGS Water Science Centers are located in each state.

 [Map: There is a USGS Water Science Center office in each State.] Washington Oregon California Idaho Nevada Montana Wyoming Utah Colorado Arizona New Mexico North Dakota South Dakota Nebraska Kansas Oklahoma Texas Minnesota Iowa Missouri Arkansas Louisiana Wisconsin Illinois Mississippi Michigan Indiana Ohio Kentucky Tennessee Alabama Pennsylvania West Virginia Georgia Florida Caribbean Alaska Hawaii and Pacific Islands New York Vermont New Hampshire Maine Massachusetts South Carolina North Carolina Rhode Island Virginia Connecticut New Jersey Maryland-Delaware-D.C.

Deepwater Horizon Oil Spill USGS Water-Quality Response Resources and Information

The U.S. Geological Survey (USGS) as part of the U.S. Department of the Interior (DOI) responded to the 2010 Deepwater Horizon Oil Spill in the Gulf of Mexico by establishing baseline conditions in water chemistry and bottom sediments prior to landfall of the oil spill. After the spill reached shore (referred to as "landfall"), the USGS conducted additional sampling. Teams of scientists collected samples in Texas, Louisiana, Mississippi, Alabama, and Florida. These sampling locations include barrier islands and coastal wetlands that are critical to fish and wildlife in the Gulf of Mexico.

For complete information on USGS Deepwater Horizon oil spill response activities, see the main USGS Deepwater Horizon Oil Spill web page.

Maps, Data & Multimedia

For all USGS multimedia pertaining to the Deepwater Hortizon Spill, see the main USGS Deepwater Horizon Oil Spill Response web page.

Map & Data

USGS sampling locations with links to data [15KB KMZ]


Compared to What — A video about USGS sampling procedures along the northern coast of the Gulf of Mexico.

Download the video or view a transcript.


For additional multimedia:

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Selected USGS publications USGS water-quality activities and the Deepwater Horizon Oil Spill.

For additional publications:

  • USGS Deepwater Horizon Oil Spill response: Up-to-date information, including complete list of USGS publications, data, and multimedia from the latest USGS spill response activities
  • U.S. federal government portal for Deepwater BP oil spill response and recovery information, data, news, and resources

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Deepwater Horizon Oil Spill Federal Government Links & Social Media Social Media

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Please note that not all social media networks are accessible from the USGS intranet.

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Page Contact Information: USGS Office of Water Quality
Page Last Modified: Wednesday, 28-Dec-2016 18:46:32 EST