Sakatti's environmental impact assessment procedure (EIA) is currently ongoing. The EIA procedure investigates and assesses the project's direct and indirect impacts on the environment. The procedure aims to promote the assessment and consideration of environmental impacts in project planning and decision-making as well as to increase citizens' engagement and access to information. During the procedure, authorities and stakeholders whose conditions and interests are affected by the project are consulted.

The EIA procedure has two phases. In the first phase, the project developer prepares an environmental impact assessment program (EIA program), which is a plan for the necessary studies and the execution of the impact assessment and the assessment procedure. Sakatti's EIA program was completed in the spring 2018. The EIA program and the contact authority's report are available here. The second EIA phase started in Spring 2018 and was finalized by the end of November 2020. Further information available here.