Despite improvement following the 2014 Mount Polley tailings pond disaster, significant wastewater management risks remain in mining-rich British Colombia. This article calls for further reforms and stronger enforcement, listing a “dirty dozen” with various environmental challenges, often including the inherent risks and wastewater management problems associated with tailings ponds. With its ability to naturally evaporate water at >59x the normal rate, ECOVAP can mostly eliminate the need for large tailings ponds.