I will provide quotes below, come to your own judgements.

John Horgan will be joining the board of Elk Valley Resources, which is in the process of being spun off from Vancouver-based Teck Resources Ltd. and will focus on coal that is used to make steel.

https://energynow.ca/2023/04/energy-hypocrite-former-b-c-premier-john-horgan-to-join-board-of-new-coal-business/

B.C. stalling on new rules for selenium pollution from coal mines, environmental groups say

The province, along with U.S. counterparts, agreed to bring in new standards by 2020 but has yet to release details even as a proposed Teck Resources mine is considered

As the state of Montana moves to set more stringent selenium limits for a cross-border body of water, environmental groups are concerned British Columbia is stalling similar efforts aimed at reducing pollution from coal mines in the province’s southeast.

B.C.’s existing water quality guidelines recommend selenium levels be kept to two parts per billion to protect aquatic life. In waters tested throughout the Elk Valley, however, selenium levels have been found to exceed 150 parts per billion near mining activities. In the last year, Teck reported major population declines of westslope cutthroat trout in three waterways downstream of the company’s Elk Valley coal mines. 

In late September, B.C.’s Ministry of Environment and Climate Change Strategy released a statement saying the province had not yet selected its own proposed water-quality objective for selenium in Lake Koocanusa.

“B.C. is committed to a science-based process informed by the best available data,” the statement said.

“A selenium-level target will only be established once B.C. is fully confident that the process has met this high standard and after seeking consensus with the Ktunaxa Nation Council on a recommended standard for selenium for this transboundary waterbody,” it said.

The statement was “disappointing,” Sander-Green said.

“There’s no reason to delay, the province can go ahead and get this limit set and then we can move on to figuring out how Teck is actually going to reach this limit,” he said.

https://thenarwhal.ca/b-c-stalling-rules-selenium-pollution-coal-mines/

The last article was from 2020 and the next is from 2023.

"Last year, selenium levels 267 times higher than what’s considered safe for aquatic life were detected in waters directly affected by Teck’s Elk Valley mines, according to an internal government meeting note obtained by The Narwhal through a freedom of information request.

Teck removes some contaminants through water treatment, but the vast majority of both selenium and nitrate pollution still flows downstream without any treatment at all, according to information on a new government website, called the Elk Valley Water Quality Hub.

“The levels of selenium that you see throughout the Elk and Fording Rivers are alarming, and they have been alarming for a long time,” Erin Sexton, a senior research scientist with the University of Montana’s Flathead Lake biological research station, said in an interview. "

Currently the environmental liability for Teck’s Elk Valley mines is estimated to be $1.71 billion. According to the 2021/2022 annual report from the Chief Inspector of Mines the company still owes  $431 million in reclamation security.

https://thenarwhal.ca/bc-teck-selenium-water-treatment/