At downstream area, river covered and
domestic sewage cause tributary turn into contaminated.
And when river is blocked, it may bring out flood.
a)
Domestic sewage from community is discharged into Plum
Tree Creek directly that makes severely pollution.
b)
Sewage from hospitals is released into Plum Tree Creek,
therefore, river is polluted.
c) The biggest tributary of Plum Tree Creek is from Xiao
Baliben Brook. At the upstream of Xiao Baliben Brook,
there is a large community called Feng Dan Bai Lu. Domestic sewage from community flows
through high population density community and then
through markets. This tributary is more polluted than
Plum Tree Creek.
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