Code of Alabama
Chapter 25B - Regulation of Privately Owned Wastewater Systems.
Section 22-25B-2 - Exempted Entities.

The following entities shall not be certified or regulated by the commission, but shall be subject to all other requirements of this chapter:
(1) Cooperatives transacting business in this state pursuant to Chapter 6 of Title 37 deemed to be general welfare cooperatives.
(2) Municipalities and county governments and any public corporations, boards, agencies, or entities created by a municipality or county government. Nothing herein prohibits municipal and county governmental entities from contracting with any other public or private entity to manage, maintain, or service wastewater systems owned by them.
(3) Entities managing small-flow cluster systems. Notwithstanding the foregoing, entities managing small-flow cluster systems may elect to be subject to all requirements of this chapter.
(4) Entities owning wastewater systems including the source, collection, treatment, and disposal of the wastewater and all of the dwelling structures or commercial establishments served by them. Examples include, but are not limited to, a trailer park or apartment complex under single ownership.
(5) Entities that assume or acquire ownership or management of wastewater systems that were previously owned by entities of state, county, or local governments.
(6) Wastewater treatment systems owned or operated by industrial facilities.

Structure Code of Alabama