The research expanded the number of suspected breaches from 6 to 35 and verified six known breaches within the Memphis Sand aquifer. "Tennessee continues to be a place where we can grow our ...

The Memphis aquifer, the primary drinking water source for Shelby County, has naturally occurring breaches in its protective clay layer. Pollutants from as far back as the 1940s could be entering ...

The research expanded the number of suspected breaches from 6 to 35 and verified six known breaches within the Memphis Sand aquifer. "Tennessee continues to be a place where we can grow our ...

Researchers say holes in the clay that overlays the Memphis aquifer could have let pollutants from as early as the 1940s into the groundwater.