What is the main objective of wastewater treatment?

The primary goal of wastewater treatment is to remove contaminants from wastewater. This process is essential for protecting public health and the environment. Wastewater contains various pollutants, including organic matter, pathogens, nutrients, and chemicals that can harm ecosystems and pose risks to human health if discharged untreated into water bodies.

By effectively removing these contaminants, wastewater treatment facilities help ensure that the discharged water meets regulatory standards, thereby reducing pollution in natural water sources and promoting sustainability. This step is crucial for preventing waterborne diseases and preserving aquatic life.

The other options focus on specific aspects or applications of water management, such as recycling for industrial purposes or improving aesthetics, but they do not encompass the foundational aim of wastewater treatment, which is fundamentally about creating clean, safe water by eliminating harmful substances.