What is a consequence of untreated wastewater discharge?

Discharging untreated wastewater poses significant risks to public health, making this choice the most accurate. Untreated wastewater contains harmful pathogens, chemicals, and nutrients that can contaminate water sources, leading to waterborne diseases. Such diseases can spread through drinking contaminated water or through recreational activities in affected water bodies. Additionally, the presence of toxic substances can have long-term health effects on communities relying on these water sources, including gastrointestinal illnesses, neurological issues, and other serious health problems.

In contrast, the other options relate to positive outcomes; however, they do not accurately reflect the consequences of untreated wastewater. There is no improvement in water quality or reduction of pollution associated with untreated discharges; rather, these discharges contribute to the degradation of ecosystems and public health risks. Enhanced biodiversity is unlikely to result from pollution, as many species are adversely affected when their habitats become contaminated. Thus, the impact of untreated wastewater is profoundly negative, emphasizing the importance of effective sewage treatment and management in protecting both environmental and human health.