Many sewer systems are frequently overwhelmed, with sewage spilling into waterways and polluting them with excrement and industrial chemicals.
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Sewers at Capacity, Waste Poisons WaterwaysCourtesy NYT > Business Sun, 11/22/2009 - 21:20
Many sewer systems are frequently overwhelmed, with sewage spilling into waterways and polluting them with excrement and industrial chemicals. Related itemsCleansing the Air at the Expense of Waterways
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