What type of pollutants are classified as 'conventional pollutants'?

Conventional pollutants are typically defined as those that are commonly found in wastewater and are regulated by the Clean Water Act in the USA. These pollutants primarily include organic matter, nutrients (such as nitrogen and phosphorus), and certain pathogens. The term "conventional pollutants" encompasses substances that can easily be treated using standard biological treatment processes, making it crucial for wastewater treatment facilities to effectively manage these types of contaminants to protect water quality.

Nutrients, especially nitrogen and phosphorus, are significant because they can lead to eutrophication in water bodies, causing excessive growth of algae and disrupting aquatic ecosystems. Pathogens, which are microorganisms that can cause disease, are also included in this classification due to their impact on public health and water quality. The focus on conventional pollutants reflects the common issues faced by wastewater systems and the necessity for treatment processes to handle these effectively.

The other options refer to substances that may have environmental impacts but do not fit the conventional pollutants category. Radioactive materials are classified as a separate group due to their specific hazards and regulatory requirements. Organic compounds can vary widely and include many that are not considered conventional, such as industrial chemicals. Metals and non-metallic elements, while crucial to address in environmental compliance, are generally categorized under heavy metals or toxic pollutants rather