新英格兰的饮用水供应质量受到州际公路建设和使用的威胁。潜在问题包括侵蚀、钠、除冰化学品和暴雨水的流失、浑浊度增加、有毒物质泄漏造成的污染，以及二次影响，如人口密度增加、开发、进入流域和破坏行为。

New England's drinking water supply quality is threatened by construction and use of interstate highways. Potential problems include erosion, runoff of sodium, deicing chemicals, and storm water, increased turbidity, contamination by toxic spills, and secondary impacts such as increases in population density, development, access to watersheds, and vandalism.