But in recent weeks the so-called salt line — the boundary between oceanic and freshwater — along the Delaware River has spiked radically northward, the result of an astonishingly dry three ...

The Delaware River's salt front -- the line where ocean water ... MORE: Updated drought map shows worsening conditions in Northeast as fire danger persists The step after that would involve ...

There’s a growing awareness that road salt can pollute lakes, streams, and drinking water, and corrode roads and bridges.

The long and winding road to improve dissolved oxygen in parts of the Delaware River might be nearing the finish line.