Section 303(d) of the Clean Water Act requires states to develop lists of impaired waters , those that do not meet water quality standards that states have set for them .
Total Maximum Daily Load
The law requires that states establish priority rankings for impaired waters and develop total maximum daily loads (TMDLs) for them. A TMDL specifies the maximum amount of a pollutant that a body of water can receive and still meet water quality standards .
Point Source Pollution vs. Nonpoint Source Pollution What’s the difference? Slides by Christopher C. Obropta, Rutgers University