How can polluted groundwater be treated?

Groundwater pollution poses significant challenges to both environmental health and human safety. Among the various methods to treat contaminated groundwater, utilizing filtration systems to remove contaminants stands out as a reliable and effective approach.

Filtration systems work by physically removing particles, sediments, and some dissolved substances from water. They can include a range of technologies, such as sand filters, activated carbon filters, and advanced membrane technologies. These systems not only capture larger debris but can also remove harmful chemicals and pathogens, thereby improving the quality of the treated water significantly. This method is systematic and ensures that the contaminants are adequately separated from the water, making it safe for discharge or for reuse in various applications.

In contrast, other options, such as adding fertilizers, would exacerbate the contamination issue rather than mitigate it. Pumping polluted water into surface water bodies could lead to further environmental degradation and harm aquatic ecosystems. Allowing evaporation might reduce water volume but does little to address the actual contamination present in the groundwater. Thus, employing filtration systems is the most sound and practical method for effectively treating polluted groundwater.