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Surface water quality
Chemical, physical, and biological characteristics of water in lakes, rivers, or streams related to its fitness for use.
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Results 21 - 26 of 26 listed by similarity [list alphabetically]
Long Term Resource Monitoring Program (Upper Mississippi River area): sampling data [New Window]
Downloadable data and other information about the sampling programs used in long-term monitoring of the upper Mississippi River area.
Missouri River InfoLink: a clearinghouse of Missouri River information [New Window]
Portal for Missouri River Infolinks, a clearinghouse to multiple links giving Missouri information, photo gallery, river weather forecast, projects and features, maps, meetings, history, and science research.
Parking-lot sealcoat: A major source of PAHs in urban and suburban environments [New Window]
Explanation of chemical contaminants released into aquatic environments by popular sealcoating compounds used in parking lots, with frequently-asked questions, links, and contact information.
Recent changes in the food web of Lake Erie - the role of phosphorus and zebra mussels [New Window]
Brief overview of the proliferation of zebra mussels and the role of phosphorus in Lake Erie with links to publications related to Lake Erie water quality.
The USGS role in Total Maximum Daily Load (TMDL) assessments [New Window]
Detailed information on Total Maximum Daily Load, the total quantity of a pollutant that a stream can carry and still conform to water quality standards, used as a measurement in the monitoring, assessment, and remediation of polluted waters.
USGS mine drainage activities [New Window]
Listing of USGS research and monitoring projects on mine drainage, in order to promote cooperation and collaboration among scientists working on problems related to mining and the environment.
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