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 ...

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

Freshwater streams are still salty after spring rains wash winter salt away, indicating that salt contamination in ...

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 ...