一项研究表明，安大略省造纸厂废水与 Grassy Narrows First Nation 附近 Wabigoon 河的汞污染增加有关。 A study links Ontario's paper mill wastewater to increased mercury contamination in the Wabigoon River near Grassy Narrows First Nation.

西安大略大学的一项研究表明，安大略省一家造纸厂的废水正在加剧 Grassy Narrows First Nation 附近瓦比贡河的汞污染。 A study from the University of Western Ontario suggests wastewater from a paper mill in Ontario is worsening mercury contamination in the Wabigoon River, which is near the Grassy Narrows First Nation. 工厂废水中的硫酸盐和有机物会加剧甲基汞的生成，鱼类体内的甲基汞含量可能是没有工厂排放时的两倍。 The sulphate and organic matter in the mill's wastewater contribute to increased methylmercury production, with fish levels potentially twice as high as without the mill discharge. 该工厂位于原住民部落的上游，该部落几十年来一直遭受汞中毒的困扰。 The mill is upstream of the First Nation, which has suffered mercury poisoning for decades.