Hearing Examiner Housing Human Services Information Technology Intergov. However, the decision to filter is entirely up to you. If you decide to filter your water at home, it's important to do it right. Some filters have been found to actually increase the levels of chemicals in your water. To minimize the risk from filters, we suggest purchasing only filters certified by NSF, International .
Regular maintenance is also a critical part of any home-filter system.
Home-water filters may be effective at removing some contaminants, but if not regularly cleaned and maintained, they can become a breeding ground for other microbes. Distillers - Distillers boil water, thus precipitating out almost all contaminants, then cool the steam, so it condenses into water again. Remember, as distillers remove chlorine, they also remove the continued protection chlorine ensures against microbiological contaminants in your water. A distiller is easy to install. It takes up to seven hours to purify a gallon of water.