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Water Resources
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CEEI documents polluted streams in the United states by publishing on the web all the Clean Water Act 303(d) lists and documentation.
www.wcei.org/
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Online USGS publication describes U.S. ground-water resources by region. Covers the 50 states, Puerto Rico, and the U.S. Virgin Islands.
capp.water.usgs.gov/gwa/gwa.html
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Information about water resources from the U.S. Geological Survey. Topics include ground water, surface water, water use, water quality, acid rain, toxic substances hydrology.
water.usgs.gov/
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