Environmental problems are happening around the world. The environmental problems are environmental pollution. The impact of industrial activity is waste that can pollute the environment. Industrial companies must conduct waste management before dispose it to environment. Waste management requires allocation of funds called environmental costs. The purpose of application environmental costs is to fund the cost of waste management in order to comply the waste quality standards set by the government. Environmental costs is assessed with the concept of efficiency and effectiveness. The purpose of this research are to determine the environmental costs in the PG Gempolkrep and assess efficiency and effectiveness of environmental costs. This type of research uses descriptive research and quantitative approach. This study uses primary and secondary data obtained from PG Gempolkrep. The results of data analysis show that environmental costs on PG Gempolkrep consists of two classification, detection costs and internal failure costs. Environmental costs PG Gempolkrep Mojokerto not achieve efficiency in the period 2013 to 2015. However, the environmental costs PG Gempolkrep Mojokerto has been effective because all parameters of waste in the period 2013 to 2015 have complied the quality standards from the government.