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to
provide wastewater treatment and disposal
for all
sew erage
wastewaters collected in the public
system at standards
which will
ensure that water quality ob jectives are
achieved and maintained;
to put in p la ce and enforce legislation
aimed at safeguarding the health and welf are
of
community from
the
the
adverse
environmental effects associated with the
discharge of toxic chemicals and bacteria.
3.8
Current
of
s ew era ge and
and the
enforce ment
discharges
to
environment.
CURRENT PROGRAMMES
programmes
mainly comprise the provision
sewage treat ment and disposal facilities,
of legislation to control wastewater
the sewerage system or direct to the
3.9
During
invested in
facilities.
the
past decade $5 billion has been
s ew era ge and sewage treat ment and disposal
The wastewater collected in the foul sew erage
system passes either to
the eight secondary treat ment
work s,
at Shatin, Tai po,
Yuen Long, Shek Wu Hui, Sai
Kung, Sha Tau Kok, Hei Ling Chau and Mui Wo,
the
-
or to one of
screening plants, before passing to inland or marine
outfalls.
These sewage facilities are to be operated and
maintained by the new Drainage Services Department. In
addition, in places with little or no main sewerage,
Middle Bay and Clearwater Bay, new developments have been
required to install biological treat ment plants, in which
disinfection of effluents may be required.
like
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