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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.


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.
 [image: beaker]

National Field Manual for the Collection of Water-Quality Data

Techniques of Water-Resources Investigations
Book 9
Handbooks for Water-Resources Investigations

Instructions for downloading (43MB ZIP) (43MB ZIP) contains pdf files of the most up-to-date version of each chapter of the USGS National Field Manual for the Collection of Water-Quality Data as of the date shown, and an "NFM_Contents" file that includes a Table of Contents for this field manual with a brief description of each of its chapters.

To download this NFM version to your computer:
(1) Save this zip file to your computer's desktop or other hard drive of choice,
(2) Unzip the file to the directory and folder of your choice.

To create a CD-ROM of this Field Manual version, copy each of the unzipped files or folders to a CD disk, using your available CD-writer software.

PLEASE NOTE: This zip file is updated periodically; therefore, check the zip-file date to be sure that you have the most current version. The individual chapters or chapter sections contained within also are labeled with a date so that you can determine which of the files to replace.

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Page Last Modified: Wednesday, 28-Dec-2016 18:46:33 EST