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Summary: Waste Water Pollutes The Chesapeake Bay

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Wastewater contributes about the third most nitrogen and phosphorus that pollutes the Chesapeake Bay. Wastewater comes from sewage treatment plants, which are point sources. Several factories and power plants also release pollutants into the water. They also release chemicals into the air, where they can fall down onto the bay and affect the organisms. Non-point source pollution harms many organisms from the substances the runoff picks up. Some non-point source pollution is from runoff which carries soil (which is packed with nutrients) into the Chesapeake Bay. Although nutrients are good for the organisms, excess nutrients cause algal blooms. This lowers the oxygen levels and causes many organisms to die. The algae also blocks sunlight

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