Major Nickel Supplier Harita Knew About Water Contamination at Indonesian Operation for a Decade

The report describes repeated exceedances of legal limits for hexavalent chromium in wastewater from a Harita mine in Indonesia, beginning as early as 2012, and documents internal awareness and mitigation attempts such as sediment ponds, ferrous sulfate dosing, and wetlands. Despite these efforts, internal testing showed levels remained high, and emails indicate senior executives were informed, with one communication noting a request to an Environment Ministry official not to disclose the issue to the community.