Sha Tin Sewage Treatment Works

Shatin Sewage Treatment Works Aerial view 201712

Sha Tin Sewage Treatment Works is a major sewage treatment facility located in Sha Tin, Hong Kong. It is one of the largest sewage treatment plants in the region and plays a crucial role in maintaining the environmental health of the area by treating wastewater before it is discharged into the surrounding water bodies.

History

The Sha Tin Sewage Treatment Works was commissioned in the early 1980s to address the growing sewage treatment needs of the rapidly developing Sha Tin District. Over the years, the facility has undergone several upgrades and expansions to enhance its capacity and efficiency.

Facilities and Operations

The treatment works employs a combination of primary, secondary, and tertiary treatment processes to ensure that the treated effluent meets the stringent standards set by the Environmental Protection Department of Hong Kong. The facility includes:

• Primary treatment: This involves the removal of large solids and grit from the incoming sewage through screening and sedimentation.
• Secondary treatment: Biological processes are used to break down organic matter in the sewage. This is typically achieved through the use of activated sludge or biofilm processes.
• Tertiary treatment: Advanced treatment methods, such as filtration and disinfection, are employed to further purify the effluent before discharge.

Environmental Impact

The Sha Tin Sewage Treatment Works plays a vital role in protecting the water quality of the Shing Mun River and the surrounding marine environment. By effectively treating sewage, the facility helps to prevent pollution and supports the overall ecological health of the region.

Future Developments

Plans are in place to further upgrade the Sha Tin Sewage Treatment Works to cope with the increasing population and industrial activities in the area. These upgrades aim to enhance the plant's capacity, improve treatment efficiency, and reduce its environmental footprint.

See Also

• Sewage treatment
• Environmental Protection Department
• Shing Mun River
• Water pollution in Hong Kong