An NGO representing indigenous people from the municipality of Sipacapa, filed a complaint in January 2005, alleging that the Marlin gold and silver mine [owned by Montana Exploradora, part of Goldcorp] will negatively affect local water supply quality and quantity as well as harm the environment. The complainant also alleges that indigenous residents were not adequately consulted about the project...The CAO appraised and accepted the complaint in March 2005...The original assessment report was released on September 8, 2005, and can be found below...The CAO conducted two follow-up missions...CAO has closed this complaint and has asked all parties to monitor and report on the implementation of the CAO recommendations.