Types of pollutants and sources of water pollution

Water Pollutants:


Natural causes: rainwater runs under and through the soils, dissolving soluble chemical substances and becoming easier the contact between reactive substances (for example: acids) and minerals of soils and rocks. Besides, it removes products of reactions that occurred in soil.

• Decomposition of animals and aquatic plants;   

• Acid rains;  

• Surface water that have solids from sand to colloidal particles.

Human causes:

• Municipal and industrial discharges which have chlorides, ammonia, etc.;

• Floating garbage and foams; 

• Drainages from gases emitted by industries.

Sources of pollution: