Non-point source (NPS) pollution arises from diffuse origins across a catchment, carrying nutrients, sediment, pesticides and other contaminants into surface and groundwater. Unlike point discharges, ...

With global population growth and rising food demand, agriculture ensures food supply while bringing severe environmental problems. Among these, agricultural non-point source pollution (ANPSP) has ...

Agricultural non-point source (NPS) pollution is a major cause of water quality degradation, with pollutants such as nitrogen and phosphorus carried by farmland surface runoff being important sources.

The state Environmental Protection Commission focused on Iowa drinking water at its December meeting with a commemoration of the 50th anniversary of the federal Safe Drinking Water Act and ...