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SubjectsEnvironment & EcologyEnvironmental Issues & PolicyChapter 3 — Pollution3.2 Water Pollution

Topic 3.2 · Environment & Ecology · Pollution

Water Pollution

Water Pollution is studied as part of "Pollution" (Environmental Issues & Policy) in Environment & Ecology. Air, water, soil and noise pollution, and solid waste management, are pressing issues with regulatory questions from the environment acts.

In the examination context, water pollution carries conceptual questions that test both factual recall and analytical understanding. Revise this topic in sequence with the rest of the chapter so that chronological and thematic links are clear.

Important Facts

Eutrophication
Nutrient enrichment of water bodies
BOD
Biological oxygen demand — pollution indicator
Waste segregation
Dry and wet waste for recycling
PM2.5
Fine particulate matter — serious health risk

Key Points

  • PM2.5 — Fine particulate matter — serious health risk
  • Eutrophication — Nutrient enrichment of water bodies
  • BOD — Biological oxygen demand — pollution indicator
  • Waste segregation — Dry and wet waste for recycling

Important Names

Dr. Harsh VardhanBhopal gas tragedy

Important Dates

1986Environment (Protection) Act
1984Bhopal gas tragedy
Exam-Oriented Notes
  • »BOD is a key water-quality parameter. The Environment (Protection) Act, 1986 is the umbrella law.

Related topics

3.1 Air Pollution & Air Quality3.3 Soil & Noise Pollution3.4 Solid Waste Management
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