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LEED Green Associate

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The Environmental Protection Agency states that nonpoint source pollution is one of the biggest threats to surface water quality and aquatic ecosystems. Nonpoint source pollution is water pollution that:
  1. Controls sediments, nutrients, and pesticides from directly entering into the water bodies
  2. Affects a water body from diffuse sources, such as polluted runoff from agricultural areas draining into the river
  3. Contains salmonella pathogens in the faulty septic systems
  4. Is high in phosphorus and nitrogen transported to watersheds
Explanation
Answer - B - Nonpoint source pollution is water pollution that affects a water body from diffuse sources, such as polluted runoff from agricultural areas draining into the river. Nonpoint source pollution is the leading cause of water pollution in the United States today with polluted runoff from agriculture as the primary cause.
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