Mealey's (January 21, 2016, 2:37 PM EST) -- PHILADELPHIA — A federal judge in Pennsylvania on Jan. 19 dismissed a groundwater contamination lawsuit, concluding that the couple who alleged that manufacturers had poisoned their well water failed to sufficiently allege an imminent and substantial endangerment to their health and safety (Bradley Warren, et al. v. Johnson Matthey Inc., No. 15-01919, E.D. Pa.; 2016 U.S. Dist. LEXIS 6065)....