Petrochemicals can impact water pollution in several ways. Petrochemical production often involves the release of toxic chemicals, such as benzene and toluene, into nearby water sources. These chemicals can cause water pollution and harm aquatic life. Additionally, petrochemicals are often used as raw materials in the production of pesticides and herbicides, which can also pollute water sources. Finally, the use of petrochemical-based products, such as plastics, can lead to pollution through improper disposal and littering.