Despite being surrounded by water, Singapore is one of the countries with the lowest availability of drinking water in the world. The government is constantly seeking methods to expand the water supply because it has few freshwater resources of its own and little space for reservoirs. Thus, it mainly depends on the output from desalination plants and imports of drinking water from Malaysia, a neighboring country. As a result, the government has created a sophisticated sewage treatment system that uses a tunnel system and cutting-edge facilities to increase self-sufficiency. This strategy of Singapore wastewater management is leading the way in wastewater recycling.
Let us examine the workings of this intricate waste management system.
Taking The Waste Out of Waste-Water
The system’s central component is the Changi Water Reclamation Plant, which is located on the eastern edge of the city and has the potential to treat up to 900 million litres of wastewater every day, or about the same amount of water as 350 Olympic swimming pools.
Since Singapore is an island nation with limited land, a large portion of the treatment system is underground. It has a vast network of tunnels, pipelines, tanks, filtration equipment, and other infrastructure that extends as deep as 25 floors in certain areas. 48 kilometres of interconnecting tunnels transport sewage from sewers to the facility, where it is purified and piped to the surface.
Following the removal of bacteria, viruses, and other contaminants, the water is disinfected using UV radiation after initially passing through a sophisticated filtering system. The outcome, known as “NEWater,” is pure, secure, and suitable for drinking.
The facility can handle up to 900 million litres (237 million US gallons) of wastewater every day, which is enough to fill an Olympic-sized swimming pool once every 24 hours for a whole year. The facility is a maze of steel pipes, tubes, tanks, filtration systems, and other gear. Although a foul odor still lingers in the air, a network of ventilators has been erected in one structure to keep the air smelling fresh.
After being cleaned, the water is extensively used by several sectors of the economy, including the significant microchip manufacturing industry on the island. It is also used in the cooling systems that control the temperature in the many towering buildings that dominate the skyline of Singapore, where temperatures are rising twice as quickly as the global average. Additionally, some treated water is added to drinking water reservoirs to replenish any evaporating water during the dry season’s extreme heat.
Singapore is growing its recycling infrastructure. By 2025, it should be finished, adding a second underground pipeline and a sizable water reclamation facility to service the western half of the island. By the time the extension is complete, Singapore will have spent $7.4 billion improving its water treatment system.
The city-historically state’s tumultuous relations with Malaysia, its primary water supplier, are one reason for wanting to become more self-sufficient.Since Singapore was expelled from a short-lived union in 1965 by Malaysia, the neighbours have had tumultuous relations and have previously had disagreements over water supply.
Singapore wastewater management strategy is a remarkable feat. It is not the only country dealing with the water crisis. Therefore, other countries should take heed of it.
Source: Share of population with access to drinking water facilities
Universal Access To Water
A rising number of nations, including Singapore, are concerned about the possibility of water stress. Extreme weather events like droughts are becoming more frequent and more intense as a result of the climate issue. By 2050, there will be 9.9 billion people on the earth, which will place an unsustainable strain on the planet’s limited water supplies.
The hazard of water stress varies by geography and degree of national income. In high-income nations, 98 percent of the population has access to clean, drinkable water from the tap; in Sub-Saharan Africa, just 30 percent do. Additionally, about 6% of people in low-income nations only drink surface water, which includes streams, rivers, and lakes. Surface water is any body of water that is above ground.
According to the WHO and UNICEF, more than 26% of the world’s population already lacks access to properly managed drinking water.
Source: United Nation’s analysis of sanitation and drinking water
By 2030, UN Sustainable Development Goal 6 seeks to guarantee that everyone has access to clean water and sanitation. More action is required since the world is not on schedule to reach this objective, even if progress is being made. It’s critical to understand that there is no one answer to all of the problems that water-stressed nations face.
In certain rich nations, high-tech water purification systems like the Singapore wastewater management can be helpful, but these techniques might not be appropriate or cheap for many poor countries. According to the World Bank, to close the gaps in access to these vital resources worldwide, strategic investments in clean water and sanitation solutions are required.
Also Read: China Plans New Water Megaprojects To Tackle Climate Change
La humanidad debe unirse en un PACTO POR EL AGUA, LAS PLANTAS Y LOS MINERALES sin ninguna demora, ya estamos cansados que se reúnen en Kioto, en Doha para hablar muy bonito y elocuente, pero al terminar el evento las palabras y compromisos se los lleva el viento.
Debemos ser honestos, comprometidos y serios para definir políticas seguras donde todas las industrias contaminantes se comprometan a devolver al rio aguas limpias, así como las tomaron o a tener su propia planta de tratamiento y no contaminen a los demás que van a hacer uso del mismo caudal.
Las personas de bien y todo el cuerpo estudiantil deben volverse defensor del medio ambiente y presionar a toda industria que contamine a que cierre sus industrias y el estado debe accionar toda su fuerza para hacer cumplir este PACTO. Se debe comenzar desde el nacimiento del rio y como siempre a los pocos kilómetros ya aparecen las primeras industrias contaminantes, de inmediato se cierran hasta tanto no cumplan los decretos ambientales y leyes en defensa del medio ambiente que hay por todas las partes del mundo.
En Colombia por ejemplo en algunos sectores se debe hacer con la presencia del ejército nacional y autoridades competentes ya que no solo la industria soborna al ente de saneamiento, sino que también las presencias de mataderos clandestinos arrojan allí sus desechos y no tienen ningún problema por amenazar a la autoridad ambiental con machetes si les llegan a cerrar sus mataderos clandestinos.
También Debemos defender la naturaleza de los incendios tener una alarma de acción rápida y cada país crear un equipo de bomberos ambientales que dotados de helicópteros y aviones especiales puedan recoger agua y apagar el incendio en pocas horas. NUNCA DEBEMOS REPETIR LO QUE PASÓ EN LA REGIÓN AMAZÓNICA DONDE EL ex PRESIDENTE BOLSONARO DEJÓ QUEMAR POR MESES MILES DE HECTÁREAS DE BOSQUE NATIVO.
Gracias por este espacio y adelante con la información en pro de la defensa del medio ambiente que debemos respetar como nuestra madre naturaleza.
Sou engenheiro civil e trabalhei em empresas de consultoria, na área de saneamento básico. Moro na cidade de Lins SP; que é modelo em seu sistema de saneamento. Utilizamos água do aquífero Guarani e temos 100% de esgoto recolhido e tratado. Mas já estudamos Guarujá e Vicente de Carvalho (ilha de Santo Amaro que chega a ter perda de 40% da água de abastecimento. O saneamento, no Brasil, precisa de mais seriedade, estudo e menos demagogia. É condição básica de saúde pública e nosso território tem riquezas naturais que precisam de governança com competência e investimentos.