To treat its arsenic and iron problem the Gore Hill County Water Treatment Plant turned to AdEdge Water Technologies. Here's how they achieved undetectable levels of the contaminants.

When Warm Springs, Ga., encountered high radium levels in its well water, AdEdge Water Technologies stepped in to provide a first-of-its-kind treatment solution.

Studying for an exam? Refreshing your knowledge? Whatever the case, go back to the basics with this filtration primer.