Learn about the comparison between conservancy and water-carriage systems of sanitation.
Comparison # Conservancy System of Sanitation:
1. Conservancy system is very cheap in initial cost.
2. Due to foul smell from the latrines, they are to be constructed away from the living room, so building cannot be constructed as compact units.
3. The aesthetic appearance of the city cannot be increased.
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4. For burying of excremental matter, large area is required.
5. Excrete is not removed immediately hence its decomposition starts before its removal, causing nuisance of smell.
6. Storm water is carried in usually surface drains, hence no problem of pumping the storm water.
7. The quantity of waste liquid reaching the disposed point is less, hence it can be disposed of without any treatment.
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8. The conservancy system is fully dependent on the human agency. In case of strike by the sweepers, there is danger of insanitary conditions in the city, which may cause spreading of disease.
9. As sewage is disposed of without any treatment, it may pollute the natural water courses.
Comparison # Water-Carriage System of Sanitation:
1. Water-carriage systems involves high initial cost.
2. As there is no foul smell, latrines remain clean and neat hence are constructed with rooms.
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3. Good aesthetic appearance of the city can be obtained.
4. Less area is required as compared with the conservancy system.
5. Excreta is immediately removed with water, no problem of foul smell or hygienic trouble.
6. Sewage is treated before disposing off, it may or may not require pumping, it depends on the topography of the town.
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7. Large quantity of sewage highly polluted in nature, it requires its treatment before disposal. So it is costlier in operation and maintenance.
8. As no human agency is involved in this system, there is no such problem as in case of conservancy system.
9. Sewage is treated up to required degree of sanitation.