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What’s the difference?

Water Supply Service Level I vs. Level II vs. Level III

Level I (point source) is a protected well or a developed spring with an outlet but without a distribution system, generally adaptable for rural areas where the houses are thinly scattered.A Level I facility normally serves an average of 15 households.

Level II (communal faucet system or standposts) is a system composed of a source, a reservoir, a piped distribution network,and communal faucets. Usually, one faucet serves 4 to 6 households. Generally suitable for rural and urban fringe areas where houses are clustered densely to justify a simple piped system.

Level III (waterworks system or individual house connections) – a system with a source, a reservoir, a piped distribution network and household taps. It is generally suited for densely populated urban areas.

Sewer vs. Sewage vs. Sewerage

Sewer is a pipe, conduit or channel intended to convey sewage.

Sewage is a combination of the liquid or water-carried wastes from residences, business buildings, and institutions, together with those from industrial establishments, and with such ground water, surface water, and storm water may be present; also called wastewater.

Sewerage is system of pipes, pumps, devices and other appurtenant structures for the collection, transportation and final disposal of wastewater.
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