Skip to Navigation
Skip to Content

Support PSR!

Make a difference in the challenge to confront global warming and prevent nuclear war and the development and use of nuclear weapons.

Donate Now »

Take Action

Please voice your support for a strong, health-protective rule by submitting your comment to the EPA today.

Drinking Water Fact Sheet: Radon

Radon is a naturally occurring radioactive gas formed by uranium and radium in rocks and soil. Most radon seeps into the air of buildings through sump holes, floor drains, cinderblocks, dirt floors, and cracks in foundations and concrete floors. However, radon can also enter homes via the drinking water supply. Groundwater dissolves radon from uranium-containing rock, resulting in generally higher concentrations of radon in well water compared with drinking water derived from surface waters, such as rivers and lakes.

Download

Browse Resources

Action Alerts

More action alerts»

Resources

  • Annual Report 2012

    PSR is pleased to present its 2012 Annual Report to our members and other stakeholders. Read more »

  • Toxic Chemicals in Our Food System

    What chemicals are in the food we eat? Chemicals are used in every step of the process that puts food on our table: production, harvesting, processing, packing, transport, marketing and consumption and can be dangerous to our health. Read more »

  • Fracking: Harm on the Farm

    Chemical exposures that harm farm animals and wild animals raise concern about health risks for people living near fracking sites, as the animals use the same water and breathe the same air as humans. Another, indirect concern for human health also exists: in multiple known cases of chemical exposure, cows continued to produce dairy and meat for human consumption, although it remained untested for chemical contaminants. Read more »

In the Spotlight

  • July 17, 2014
    Our Best Opportunity to Cut Climate Change
    We need you to take action now! Tell the EPA that its proposed rule to cut carbon pollution from power plants Is vitally important and on the right track – but can be strengthened.