The chemical got into the Elk River, which supplies drinking water to the region.

这种化学物质进入了供应该地区饮用水的麋鹿河。

Government issued a disaster declaration, after a foaming agent used in the coal preparation process get its way into the Elk River, affecting water supplies in the areas around Charleston.

用于洗选煤炭的起泡剂泄漏，污染了埃尔克河，影响了查理斯顿周围地区的水供应，之后政府发布了灾难宣告。