Using Weep Berms to Improve Water Quality

  title={Using Weep Berms to Improve Water Quality},
  author={Richard C. Warner and Carmen T. Agouridis and Ross Guffey},
N source pollution (NPS) occurs when rainfall and snowmelt flows over the ground, picking up pollutants such as pathogens, sediments, and nutrients on its way to streams, rivers, lakes, and other bodies of water (Figure 1). More than 50 percent of the nation’s rivers and streams and nearly 70 percent of the nation’s lakes are impacted by NPS. Pathogens, sediments, and nutrients are the biggest contributors to impairment of rivers and streams while mercury, nutrients, and PCBs (polychlorinated… CONTINUE READING


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