[3] The mine's owners have been accused of failing to build a water treatment plant by the Ejido La Sierrita community.

The community submitted two complaints to the Government of Canada including one to the Extractive Sector CSR Counsellor.

[4] Union members accused Excellon Resources subsidiary Servicios San Pedro of harassment.

[5] At the time the company reported draining problems, challenges from the regulatory environment and global precious metal prices.

[5] Later in 2022, the company announced plans to close the mine,[2] in the third quarter of the year, citing disputes with the worker's union and global metal prices.