Ga. Code § 12-5-39
The division is authorized to develop and operate a continuing area-wide waste treatment management planning process pursuant to its powers contained in this article for all portions of the state for which the state is required to act as the planning agency in accordance with Section 208 of the Federal Water Pollution Control Act Amendments of 1972, 33 U.S.C. Section 1288, as amended by the Clean Water Act of 1977 (P.L. 95-217). With regard to any program submitted by the Governor pursuant to subsection 208(b)(4)(A) of the Federal Water Pollution Control Act Amendments of 1972, 33 U.S.C. Section 1288, as amended by the Clean Water Act of 1977 (P.L. 95-217), the director is empowered with the authority to take such action to comply with the requirements of subsections 208(b)(4)(B)(i) through (v) of such act.
OCGA § 12-5-39