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Water quality
The chemical, physical, and biological characteristics of water, usually in respect to its suitability for a particular purpose.
Subtopics:
Ground-water quality (23 items)
Marine water quality (11 items)
Surface water quality (26 items)

Water-quality data (84 items)
Related topics:


Results 131 - 140 of 251 listed by similarity [list alphabetically]
Wastewater Indicators Shown to Degrade in Streams [New Window]
Research findings and examples of application to real problems--the stability of contaminants that indicate human wastewater needs to be considered.
Water Resources Inventory Area 1 (WRIA1) Watershed Management Project [New Window]
Hydrologic data web page for the Water Resources Inventory Area 1 (WRIA 1) Watershed Management Project studying surface and ground water in the Nooksack watershed in northwest Washington. Links to environmental data and maps.
Water resources activities in Texas - cooperating agencies [New Window]
List of federal, state, regional, city and county agencies that cooperate with the USGS in water resources studies in Texas. Most have links to the agency's own website.
Water resources applications software [New Window]
Archive of USGS water resources software and associated data with documentation available to the public without any fee or cost.
Water resources for Maryland, Delaware, and Washington, D.C. [New Window]
USGS water resources home page with links to detailed hydrologic information for Maryland, Delaware, and District of Columbia on ground and surface water, water quality, real-time records, news releases, local weather, and reservoir levels.
Water resources for Maryland, Delaware, and Washington, D.C. - District projects [New Window]
List of current water resources projects being conducted by the U.S. Geological Survey in Maryland, Delaware, and the District of Columbia with links to dedicated websites, contacts, and project descriptions.
Water resources for Mississippi - local projects [New Window]
Local projects of the Mississippi District Office on water resources of Mississippi including studies relating to erosion, floods, water data collection, ground water flow, Geographic Information Systems (GIS) techniques, and others.
Water resources of Alabama [New Window]
USGS water resources home page for Alabama with links to hydrologic studies and real-time and long-term data on streamflow, surface water, drought conditions, rain, and water quality.
Water resources of Alaska [New Window]
USGS water resources home page for Alaska with links to detailed hydrologic studies and real-time and historic data on streamflow, ground and surface water, glaciers, and water quality plus research activities, publications, and contacts.
Water resources of Arizona [New Window]
USGS water resources home page for Arizona with detailed hydrologic studies and real-time and long-term data on streamflow, ground and surface water, water quality, and well levels plus current conditions, publications, and projects.
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