Annex B - Research Data

Imported water from Malaysia [40%]
Desalinated water [10%]
Catchment water [10 %]
NEWater [30%]
Much cheaper to clean than desalination water.
Not needed
Electricity to power to treatment machine
Electricity to power to treatment machine
Electricity to power the treatment machine
Men needed to be stationed at the reservoirs in Malaysia to check if the water is being poisoned.
Professional training for the operating and management staff
of desalination plants
To make reservoirs and canals for ‘catching’ rain water
Malaysia intends to bear pressure on Singapore by threatening to turn off the water.
If there are weather issues in Malaysia, the water imported might be dirtier or, because of a drought problems might occur.
It is highly dependent on the amount of rainfall required. If there is a large amount of rainfall, the amount of clear water will be greater.
Needs to be raining in order for water to be collected.
Land area/ Location

Mount Pulai and the Tebrau and Skudai rivers;Johor river and Linggui reservoir.
Singapore's far south-western edge, in Tuas. There is said to be poisoned water, in the water at a point at Tuas. So, the plant is built farther from that area to avoid deeper cleansing of the water, which would be more costly.
Covers two thirds of Singapore. 17 raw reservoirs are connected by a series of canals, some underground.
Takes up an average amount of land. Government plans to build more plants. Is located where the sewage pipes meet.
A pipeline that runs along a 1km bridge. 250 million imperial gallons (1,100,000 m3) imported per day
1. Source water extraction and delivery to the treatment plant (could be imported or nearby)
2. The treatment/purification process
3. Distribution of drinking water.
4. Residuals management, treatment, and discharge
Land area, Treatment machines ( is the same as the imported water machine)
Uses a water fabrication process that requires reverse osmosis.
Social acceptance
Currently, people accept it as it accounts for a major portion of our need, so, they don’t have a choice.
Usually perceived as environmentally unfriendly, and  as a public health hazard. However, due to the lack of water, we have to accept this another alternative.
The treatment is clean enough so most people will accept Local catchment waters
Most people, regarding it as disgusting, refuse to drink it. Male hormones are killed in the process, causing drinkers to become more ‘girly’.

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