Sustainable Watersheds and Nutrient Pollution

wooded stream covered in algae

EPA develops the models and tools needed to achieve sustainable solutions for managing nutrients in our watersheds – from freshwater streams to marine coastal environments. Research helps to:

  • Identify the appropriate nutrient levels for water bodies and use those levels as targets for resource protection and nutrient reductions
  • Use new technologies to monitor nutrient levels and water quality
  • Evaluate the public health and environmental effects originating from waters with excess nitrogen and phosphorus
  • Predict how management decisions and future climate change impacts will alter nutrient levels and affect aquatic ecosystems
  • Assess the effectiveness of a range of management practices for achieving sustainable reductions in nutrient pollution of water resources

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