Conservancy System
1. This system does not permit compact design of buildings.
2. This system is non-hygienic.
3. A large area is required for treatment and disposal.
4. Labour force required is much more
5. There are chances for the out break of epidemic.
6. Underground sources of water may be polluted.
7. It requires a small quantity of water.
8. It is cheap in initial cost.
9. No skilled labor and technical persons are required for the maintenance of this system.
10. This system is considered suitable for rural and undeveloped areas.
Water Carriage System
1. This system permits compact design of buildings.
2. This system is hygienic.
3. Less area is required for treatment and disposal.
4. Only a few labours are required.
5. The risk of outbreak of epidemic is greatly reduced.
6. There are no chances of nuisance on the streets.
7. It requires a large quantity of water.
8. The initial cost is very high.
9. Highly skilled labour and technical persons are required for the maintenance of this system.
10. This system is considered suitable for urban area.
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