Can I Install My Own Septic Tank in Alabama?
Updated 2026-08-11
Short answer: septic installation in Alabama is licensed work, and the state has a board that exists specifically to license the people who do it.
Here is what the rules actually say, and what to confirm with your county before you plan around doing it yourself.
Installation is licensed work
ADPH states directly that the installer of a septic system must be licensed by the Alabama Onsite Wastewater Board.
The AOWB was created in 1999 to examine, license, and regulate people engaged in the manufacture, installation, or servicing of onsite wastewater systems in Alabama. It currently oversees more than 1,200 licensed professionals.
The license classes are not interchangeable
The board issues several distinct licenses, and they cover different work:
- Basic Installer
- Level I Installer
- Level II Installer
- Pumper
- Manufacturer
Why the distinction matters to a homeowner
A company licensed to pump your tank is not automatically licensed to install or repair a system. If someone quotes you on a repair, it is reasonable to ask which license they hold for that specific work.
The board publishes a public roster search covering every licensee. Looking someone up takes about a minute and it is the cheapest protection available to you.
The permit is separate from the license
Two different things have to be in place. The system needs a permit from your county health department under Chapter 420-3-1, and the person installing it needs an AOWB license. One does not substitute for the other.
Before any of that, the site needs a soil evaluation from a qualified professional, and where the soil is unsuitable ADPH requires an engineer to design the system.
What to confirm before you plan around DIY
ADPH and the AOWB publish the licensing requirement clearly, but they do not publish a homeowner exemption either way, and county practice is what you will actually encounter at the permit counter.
Call your county environmental office and ask directly. Cullman County is at (256) 734-1030. Talladega County runs two branches, Talladega at (256) 315-4886 and Sylacauga at (256) 249-3807. Ask specifically whether any portion of the work can be owner-performed, and get the answer before you buy materials.
Common questions
- Does Alabama require a licensed installer for a septic system?
- ADPH states that the installer of a septic system must be licensed by the Alabama Onsite Wastewater Board. The board licenses people engaged in the manufacture, installation, or servicing of onsite wastewater systems.
- What septic licenses does Alabama issue?
- The Alabama Onsite Wastewater Board issues Basic Installer, Level I Installer, Level II Installer, Pumper, and Manufacturer licenses. They cover different scopes of work and are not interchangeable.
- How do I check whether someone is licensed?
- The Alabama Onsite Wastewater Board publishes a public roster search of its licensees. You can look up any installer or pumper before hiring them.
- Do I still need a permit if I hire a licensed installer?
- Yes. The permit and the license are separate requirements. The system is permitted through your county health department under ADPH Chapter 420-3-1, and the installer must separately hold an AOWB license.