Ariz. Admin. Code § 18-5-301
In addition to the definitions established in R18-9-101, the following terms apply to this Article:
1. "Certified Areawide Water Quality Management Plan" means a plan prepared by a designated Water Quality Management Planning Agency under Section 208 of the Federal Water Pollution Control Act ( P.L. 92-500) as amended by the Water Quality Act of 1987 ( P.L. 100-4), certified by the Governor or the Governor's designee, and approved by the United States Environmental Protection Agency.
2. "Designated management agency" means those entities designated in a Certified Areawide Water Quality Management Plan to manage sewage treatment facilities and sewage collection systems in their respective area.
3. "Designated water quality planning agency" means the single representative organization designated by the Governor under Section 208 of the Federal Water Pollution Control Act ( P.L. 92-500) as amended by the Water Quality Act of 1987 ( P.L. 100-4) as capable of developing effective areawide sewage treatment management plans for the respective area. The state acts as the planning agency for those non-tribal portions of the state for which there is no designated water quality planning agency.
4. "Facility Plan" means the plans, specifications, and estimates for a proposed sewage treatment facility, prepared under Section 201 and 203 of the Federal Water Pollution Control Act ( P.L. 92-500) as amended by the Water Quality Act of 1987 ( P.L. 100-4), and submitted to the Department by and for a designated management agency.
5. "General Plan" means a municipal statement of land-development policies that may include maps, charts, graphs, and text that list objectives, principles, and standards for local growth and development enacted under state law.
6. "Service area" means the geographic region specified for a designated management agency by the applicable Certified Areawide Water Quality Management Plan, Facility Plan, or General Plan.
7. "State water quality management plan" means the following elements:
a. Certified Areawide Water Quality Management Plans and amendments;
b. Water quality rules and laws;
c. Final total maximum daily loads approved by the United States Environmental Protection Agency for impaired waters;
d. Water quality priorities established by the Department;
e. Intergovernmental agreements between the Department and a designated water quality planning agency or a designated management agency; and
f. Active management area plans adopted by the Department of Water Resources.
Ariz. Admin. Code § R18-5-301