Notes Physical and Health Education

Sewage and Refuse Disposal

Meaning of sewage and refuse

Refuse refers to all solid wastes such as pieces of paper leaves, garbage, ashes and dead animals while sewage refers to liquid wastes such as urine, kitchen wastes of water from laundry

Methods Of Sewage Disposal

  1. Open dump.
  2.  water system
  3. Vip latrine,
  4.  bucket latrine
  5. Pit hot latrine

Methods Of Refuse Disposal

Open dump

Advantage:      It is  cheap to water system


Advantage:   Decomposed materials (without toxic materials) may serve as fertilizers

Disadvantage: – Turning may be laborious and odour offensive


 There are modern and local ones and are of different types principally

Advantage: Local technology can be used

Disadvantages: If not properly managed surrounding air may be polluted

Sanitary land fills

An excavated or land depression area is needed wherein refuse gabage are thrown and covered up with solid or dust.

Advantage: Help to reclaim waste land

Does not require high technology

It is not expensive

Disadvantage: Land to be used may be difficult to come by


1. Differentiate sewage disposal from refuse disposal.

2. What are the methods of sewage disposal?

3. Why do you think open dump should not be recommended as a method of refuse disposal?


Find out some refuse disposal in your schools premisesSewage and Refuse Disposal

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