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What are the benefits of filtering water with Granulated Activated Carbon (GAC)?

Filtering water with Granulated Activated Carbon (GAC) can offer several health benefits by effectively removing certain contaminants and impurities. Here are some potential benefits:

Chlorine and Disinfection By-Products (DBPs) Reduction

GAC filters are highly effective in removing chlorine and its by-products, which are commonly found in tap water treated with disinfectants. This can help improve the taste and odor of the water and reduce the potential health risks associated with chlorine and DBPs.

Removal of Volatile Organic Compounds (VOCs)

GAC filters can also remove or reduce certain volatile organic compounds, including chemicals like benzene, toluene, and xylene. These compounds can originate from industrial activities, chemical spills, or groundwater contamination, and their removal can contribute to healthier drinking water.

Reduction of Pesticides and Herbicides

GAC filtration has shown effectiveness in removing or reducing certain pesticides and herbicides that may be present in water sources. This can be particularly beneficial in areas where agricultural activities are prevalent or where groundwater contamination from agricultural runoff is a concern.

Elimination of Some Heavy Metals

GAC filters have the ability to remove or reduce certain heavy metals, including lead, mercury, cadmium, and arsenic, from water. However, the efficacy of GAC in removing heavy metals can vary, and specific filter designs or additional treatment methods may be necessary for optimal removal.

Taste and Odor Improvement

By removing various organic compounds and chemicals that contribute to unpleasant tastes and odors, GAC filtration can significantly enhance the palatability and overall drinking experience of water.

Watermill Express uses Granulated Activated Carbon filters, among other filtration and treatment processes, to effectively treat our water and ice. 

Sources

  1. Minnesota Department of Health. Water Treatment Using Carbon Filters: GAC Filter Information
  2. Centers for Disease Control and Prevention. Choosing Home Water Filters & Other Water Treatment Systems
  3. Environmental Protection Agency. Overview of Drinking Water Treatment Technologies