Regulatory and health-concern issues related to water quality mean it could take at least 25 years for on-site potable-water systems to become the norm, said Paula Kehoe, director of water ...

Cross-connection with non-potable water, such as recycled greywater or rainwater; Backflow of contaminated fluids drawn back into drinking-water systems from other pipework or outlets. This can occur ...

The first commercial building in the U.S. permitted to capture and treat rainwater for use as drinking water is the Chesapeake Bay Foundation’s 10,500-sq-ft Brock Environmental Center, which opened in ...