Water Safety

Use of NSF consulting services or attending NSF training sessions does not provide an advantage, nor is it linked in any way to the granting of certification.
PFAS in Drinking Water
Exposure to unsafe levels of PFAS concentrations through drinking water may result in health effects.Fluoridation Products and Fluoride
Fluoride products reduce the incidence of tooth decay.Blue Green Algae in Drinking Water
Drinking water can be contaminated by toxins produced by blue-green algae.Copper in Drinking Water
Learn how copper can make its way into your drinking water.Lead in Drinking Water
Lead contamination is a drinking water safety concern.Emergency Drinking Water
How to find alternate drinking water sources in an emergency.Emerging Contaminants
Emerging contaminants are a new category of water quality concerns for which evidence of health effects has not yet been established.
Water Filters
Once you know what’s in your water, should you choose a filter, reverse osmosis or other type of purification system?