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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.


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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.


BioData

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.

Water-Quality Information -- Field Procedures

  • Guidelines and Standard Procedures for Continuous Water-Quality Monitors: Station Operation, Record Computation, and Data Reporting, Techniques and Methods 1-D3.
  • USGS Protocol for the Collection of Processing of Surface-Water Samples for the Subsequent Determination of Inorganic Constituents in Filtered Water, Open-File Report 94-539

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URL: https://water.usgs.gov/owq/Fieldprocedures.html
Page Contact Information: USGS Office of Water Quality
Page Last Modified: Wednesday, 28-Dec-2016 18:43:51 EST