In early February, Chief Allan Adam of the Athabasca Chipewyan First Nation in northern Alberta started fielding calls from community members after the provincial regulator revealed toxic wastewater had been leaking for months from a tailings pond at Imperial Oil's Kearl oil sands mine. Many in the community hunt and fish downstream of Canada's huge bitumen mines, and wanted to know if the game meat in their freezers was safe to eat.

The Alberta government waited a month before calling an emergency response to one of the biggest releases of oilsands tailings in the province's history, a leaked document shows. The document, obtained by The Canadian Press, shows the province didn't initiate an emergency response until after First Nations chiefs in the area went public about how they were informed of the releases from Imperial Oil's Kearl mine, about 70 kilometres north of Fort McMurray, Alta.

The federal government is providing bottled water and mental health services to First Nations struggling to deal with a spill from a tar sands tailings pond that went unreported for months in northern Alberta. “They’re devastated and their communities are devastated,” Indigenous Services Canada Minister Patty Hajdu said at a press conference in Ottawa on Monday. “They’re afraid that the water is contaminated.