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Sierra Zinc Mine & Mill

Pollution Report #13 - 10/26/2015 (End of Construction)
Pollution Report #11 - 7/10/2015 (2015 Construction Update)
Pollution Report #10 - 6/19/2015 (Continued Removal Activities)
Pollution Report #8 - 5/21/2015 (Pre-construction Update)
Pollution Report #7 - 12/8/2014 (Seasonal Work Shutdown)
Pollution Report #6 - 11/19/2014 (Liner sealed and northern excavation)
Pollution Report #5 - 11/14/2014 (Further consolidation of tailings)
Pollution Report #4 - 11/7/2014 (HDPE liner installation and further waste consolidation)
Pollution Report #3 - 10/27/2014 (Further Demolition and debris consolidation)
Pollution Report #2 - 10/15/2014 (Initial site set-up and mill demolition)
Pollution Report #1 - 6/5/2014 (Special - Premobilization)