The Ministry of Environment was created in 2001 to handle pollution and related Matters that affect the living environment in Delta State. The State Government approved the assignment of responsibility for all matters relating to ecological problems to the Ministry of Environment.

It is charged with the obligation of developing and creating environmental policies, environmental protection and control, environmental technology including efficient implementation of Research and Development. The clearing of existing drainage systems to solve ecological or environmental problems, sewage or the construction of drainages as part of measures to control effluent discharge, Waste or environment degradation (Whether) caused by flood and/or erosion) falls within the purview of the Ministry of Environment.

The ministry also carries out different task of Planning, Designing and Constructing of Ecological and environmental facilities, environmental sanitation and urban waste disposal and management and the Provision of Natural Preservation  which includes Forestry, Conservations, Ecology, and Sanitation. It also supervises the activities of Delta State Environmental Protection Agency (DELSEPA), Waste Management Board and takes the responsibility for liaising with Oil Companies on Pollution and Environmental Matters.

The assigned responsibilities to the Ministry of Environment include: