Ever wondered what happens to Sai Kung’s wastewater? Right here before us stands the Sai Kung Sewage Treatment Works a silent guardian of the harbor’s cleanliness. This unassuming facility plays a vital role in Sai Kung’s daily life. Since its opening in 1988 it has diligently processed the waste from a population of 20,000. Originally designed to handle 15,200 cubic meters of sewage daily it underwent a significant upgrade in 1996. This upgrade incorporated nutrient removal facilities reducing its capacity to 8,000 cubic meters a day. But why the reduction? The improved technology meant a far more effective treatment of the waste. Think of it as going from a basic wash to a deep clean.
The Sai Kung Sewage Treatment Works isn’t just a collection of pipes and tanks. It’s a complex system. This fascinating place houses primary sedimentation tanks aeration tanks and final sedimentation tanks. It also boasts an ultra-violet disinfection system a crucial step in ensuring the treated water is safe. Even the sludge receives special treatment. This is all part of the effort to minimize any impact on the surrounding waters.
Typhoon Mangkhut in 2018 dealt a devastating blow to the Sai Kung Sewage Treatment Works. Some pipes and secondary treatment facilities were severely damaged. The plant was left with only primary treatment capabilities. The immediate result was a leakage of sewage into the ocean. Imagine the ripples of that event not just in the water but in the lives of people. The Drainage Services Department sprang into action initiating emergency repairs and an additional disinfection process. Beaches were temporarily closed. This highlights the importance of this often overlooked facility. The restoration took time the scale of the damage was significant.
But the story of the Sai Kung Sewage Treatment Works is one of resilience. It’s a testament to human ingenuity in balancing development with environmental responsibility. While often hidden from view this facility serves as a vital link between our community and the pristine waters of Sai Kung. It’s a place where unseen processes work tirelessly keeping our harbor clean and healthy. Its continued operation is crucial for protecting the environment and the quality of life in Sai Kung. Let’s appreciate the unsung hero that is the Sai Kung Sewage Treatment Works.