Northrop Grumman

Toxic Plume Spreading At Bethpage Defense Plant, Tests ShowOfficials revealed this month that the 4.5-mile-by-3.5-mile plume of underground contamination in Bethpage is moving deeper than ever.
Elevated Levels Of Radium Found In Bethpage Drinking Water Supply WellWater District Superintendent Michael Boufis said the levels are not considered hazardous and do not exceed federal or state standards.
Long Island Groundwater Cleanup Plan Chosen By DECThe Department of Environmental Conservation says it will target groundwater hot spots at Operable Unit 3 of Northrop Grumman's Bethpage Facility to diminish the threat to wells that provide public drinking water.