Sewage Disposal and Domestic Wastes
Sewage as wel as domestic and farm wastes were often allowed to pollute rivers and dams.
Control Measures
The following measures can be used to stop water pollution:
every intelligent people should be wise enough not to pollute water in any way;
by research and legislation the pollution of water bodies, even though not entirely prevented, must be effectively controlled.
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Pollution is the introduction of contaminants into the natural environment that cause adverse change.[1] Pollution can take the form of chemical substances or energy, such as noise, heat or light. Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants. Pollution is often classed as point source or nonpoint source pollution.