Eutrophication is a leading cause ... Clean Water and Safe Drinking Water Acts in the 1970s), cultural eutrophication and concomitant HABs continue to be the leading cause of water pollution ...

The Number two causes are baseflow, pollution from septic systems, reclaimed water, and leaky sewer pipes seeping through ... pollution depositing out of the air. The Number 5 cause is sewage plants.

the agency said serious water pollution incidents caused "were at their lowest ever recorded level". However, it added the performance of some companies still gave them "serious cause for concern".

Phosphorus levels at 5.57 milligrams per liter were ... farm drainage is a major cause of the increased runoff pulling pollution into the rivers. Farmers have been working with cities and counties ...

Eutrophication is a leading cause ... Clean Water and Safe Drinking Water Acts in the 1970s), cultural eutrophication and concomitant HABs continue to be the leading cause of water pollution ...