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Rural/Urban Water Quality

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Window to falls

Biological Response to Nutrients

Eutrophication, or excess nutrients in streams, is typically one of the top reasons that a stream is listed as impaired on the 303(d) list as part of the Clean Water Act.
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Ohio-Kentucky-Indiana Water Science Center
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Biological Response to Nutrients

Eutrophication, or excess nutrients in streams, is typically one of the top reasons that a stream is listed as impaired on the 303(d) list as part of the Clean Water Act.
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Illustration of the National Water Quality Network on U.S. map

NWQP (National Water Quality Program) Surface Water Monitoring And Assessment

The long-term goals of the National Water Quality Assessment (NAWQA) and National Stream Quality Accounting Network (NASQAN) programs are to describe the status and trends in the quality of a large representative part of the Nation's surface-water and groundwater resources and to provide a sound, scientific understanding of the primary factors affecting the quality of these resources. USGS Water...
By
Ohio-Kentucky-Indiana Water Science Center
link

NWQP (National Water Quality Program) Surface Water Monitoring And Assessment

The long-term goals of the National Water Quality Assessment (NAWQA) and National Stream Quality Accounting Network (NASQAN) programs are to describe the status and trends in the quality of a large representative part of the Nation's surface-water and groundwater resources and to provide a sound, scientific understanding of the primary factors affecting the quality of these resources. USGS Water...
Learn More