What do you do about radon in well water?
In most cases, radon entering the home through water is a small risk compared with radon entering your home from the soil.
The EPA says radon detected in private well water can be easily fixed through: Point-of-use or point-of-entry devices.
Point-of-entry devices treat all the water coming into the house and is recommended for removal of radon and other contaminants that readily evaporate from the water into the air. These devices minimize the risk of inhaling or ingesting chemicals from the shower, dishwasher, washing machine, or other places where the water is heated or stirred. The systems can use either aeration filters or granular activated carbon (the later usually the less costly).
Point-of-use devices such as those installed on a tap or under the sink will only treat a small portion of your water and are not effective in reducing radon in your water. These devices are not effective in reducing the risk from breathing radon released into the air from all water used in the home.
Keep in mind the importance of maintaining home water treatment units properly because failure to do so can lead to other water contamination problems.
For information on radon in water, testing and treatment, and radon in drinking water standards visit www.epa.gov.
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