sewage treatment works and relevant new works (Designated Projects)
are regulated by EPD under the Water Pollution Control Ordinance
and Environmental Impact Assessment Ordinance respectively,
in addition to other relevant pollution control legislations.
DSD directly holds 26 discharge licences under the WPCO and
19 various Environmental Permits under the EIA Ordinance.
4.2 Percentage Compliance in 2003 for CEPT and Secondary
To measure performance and to guard against pollution, DSD has
an intensive programme to monitor the quality of discharge at
all of the Sewage Treatment Works. Effluent is sampled and tested.
Anomalies are immediately identified, reported to EPD and corrective
action made. Data are compiled and sent to EPD for reference
every month. Some major sewage works such as Shatin, Tai Po
and Sai Kung also have online sensors to monitor TSS, NH3-N,
NOx-N of the final effluent.
DSD thoroughly complied with the EIA Ordinance in 2003. We carried
out Environmental Monitoring and Audit work associated with
Environmental Permits issued under the EIA Ordinance for new
Our contractors had 14 convicted environmental offences in
2003 - 12 related to irregularities in dust control at construction
sites, one on construction site drainage and one on noise
Tai Po STW has acquired ISO 14001 since 2001. We hope to extend
such certification progressively to other works once experience
We also designate a Green Manager to oversee environmental