The document discusses various sources and effects of water pollution. It notes that water pollution can come from both point sources like pipes discharging municipal or industrial waste, and non-point sources like agricultural runoff. Water pollution increases levels of bacteria and nutrients which can cause diseases and eutrophication. It also discusses how pollutants biomagnify up the food chain. Various types of pollutants from urban, industrial and agricultural activities are listed that can contaminate both surface and groundwater sources.

1. Water Pollution Dr. Geetanjali Kaushik AIES