Environmental Impact Assessment (EIA) Ordinance, Cap. 499

Application for Permission to Apply Directly for Environmental Permit

Application No.: DIR-214/2011

 

Project Title: Water Reclamation Facility in Tai Po Sewage Treatment Works

(Application No. DIR - 214/2011)

 

Conditions Imposed under Section 5(12) of the EIA Ordinance

for Permission to Apply Directly for Environmental Permit

 

1.      All measures described in the Project Profile (PP-445/2011) submitted with the application on 29 June 2011 shall be fully implemented for the Project.

 

2.      The reclaimed water quality of this project should meet the requirements set out in Table 1 below:-

 

         Table 1

Water Quality Parameter

Unit

Reclaimed Water Quality of this Project

Make-up Water

Ground and Facility Washing

Toilet Flushing

Polymer Preparation

Landscape Irrigation

pH

-

6-9

6-9

6-9

6.2-8.3

6-9

Colour

HU

N.S.

N.S.

<20

<20

N.S

Turbidity

NTU

≦2

≦2

≦2

≦2

≦2

Total Suspended Solids (TSS)

mg/L

≦10

≦10

≦10

≦5

≦10

Biochemical Oxygen Demand (BOD5)

mg/L

≦10

≦10

≦10

≦10

≦10

E.Coli

No./100mL

Not Detectable

Not Detectable

Not Detectable

Not Detectable

Not Detectable

Total Residual Chlorine (TRC)

mg/L

≧1

≧1

≧1

N.S.

≦1

Total Dissolved Solids (TDS)

mg/L

N.S.

N.S.

N.S.

<500

<500

    

3.      The Applicant shall confirm in writing in the monthly audit report full implementation of all mitigation measures recommended in the Project Profile.

 

4.      Surplus reclaimed water shall be directed back to the sewage treatment works.

 

Note

Under Section 17 of the EIA Ordinance, the Applicant may appeal to the Appeal Board against any of the above conditions within 30 days of the receipt of this notice of the Director’s decision.

 

 

Environmental Protection Department

August 2011