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13/4 1EM and 1EC, 14/4 1EEU,1EV and 1ES, 1EH 15/4 - the students tested the quality of the water as well as use photographs to capture any human activities which may affect the water quality. We saw some boats on the river owned by PUB - they are there to make sure there is no illegal activities or sabotage of the reservoir water. We can also see some boats which are there to clean up the litter. Overall the river is very clean and very little litter are spotted. There is a water monitoring device which is a blue box floating on the water. We could also see the dam in the far end of the Punggol waterway. On the far bank we also saw some construction of buildings.
GI of water quality @ Lorong Halus with the Sec 1 students from 13 to 15 April 2015.
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