ABSTRACT Pekanbaru City has population of 1,091,088 people. In 2018, total of waste generation in Pekanbaru City was 136,478.88 tons/year and total of using septic tanks was 225,622 households. If solid waste from waste and liquid waste from the septic tank is not treated, it will cause the Greenhouse Gas effect. The purpose of this research is to determine the value of emissions from solid …