Contaminants

Contaminants in water sources can refer to any substances or particles that is not naturally occurring in water or is present in excess amounts, making it harmful, unsafe or undesirable for human or environmental health. Examples of contaminants in water sources include, heavy metals, pesticides, herbicides, bacteria, viruses, parasites, pharmaceuticals, hormones, microplastics, chlorine, fluoride, nitrates and volatile organic compounds. These known contaminants can be introduced into water sources through various means including agricultural and industrial runoff, wastewater discharge, improper disposal of household chemicals, and natural processes such as erosion and sedimentation. Presence of contaminants found in water sources indicate significant negative impacts on public health and the environment, which is why it is important to monitor and regulate water quality to ensure that it is safe for consumption and sustainable for the ecosystem.