The Edict specified the responsibilities and functions of the Agency which include:

(a) Advising the State Government on all environmental management policies.

(b) Giving direction to the affairs of the Agency on all environmental matters.

(c) Preparing periodic master plan to enhance capacity building of the Agency and for the environment and natural resources management.

(d) Carrying out appropriate tests on insecticides, herbicides and other agricultural chemicals.

(e) Carrying out public enlightenment and educate the general public on sound methods of environmental sanitation and management.

(f) To monitor and control disposal of solids, gaseous and liquid wastes generated by both government and private facilities in the State.

(g) Monitoring and controlling all forms of environmental degradation from agricultural, industrial and government operations.

(h) Setting, monitoring and enforcing standards and guidelines on Industrial Effluent, Air Emissions (Vehicular & Stationary).

(i) Surveying and monitoring surface, underground and potable water, air, land and soil environment in the State to determine pollution level in them and collect baseline data.

(j) Promoting co-operation in environmental science and technologies with similar bodies in other contrives and international bodies connected with the protection of environment, and

(k) Co-operation with the Federal, State and Local Governments, statutory bodies and research agencies on matters relating to environmental protection.
To carry out the above functions, the Agency has seven (7) departments namely, Finance and Administration, Ecology and Conservation, Pollution Control, Hazardous Materials Management, Research Development and Engineering, Environmental Sanitation and Health and Office of Laboratory Services.