Another argument against the construction Mae Wong dam is that the dam will bring about the damage to the forest. They claim that dam construction contribute to lose the forest area and decay the ecosystem. However, the area which is the dam will be located in the entrance of the national park, and behind the dam is country community, so it will lead to the bad effect on the forest at least. The part of deforestation for building the dam, The Royal Irrigation Department will allocate the budget for plant compensation on the area of 30,000 hectares and ongoing care ongoing care for a period of 10 years. Moreover, the dam will create the degraded forest to be the plentiful forest, and improving the ecosystem to get better.