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The top documents tagged [runoff nps pollution]
Water Pollution. Definitions Impaired Waters Section 303(d) of the Clean Water Act requires states to develop lists of impaired waters, those that do
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Water pollution
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∙Less than 1% of the earth's total water supply is suitable for drinking. ∙Dirty water kills 5,000 children per day (United Nations, 2006) and 3 million
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