Adoption Info of Alabama Plumbing Code 2021
- International Plumbing Code (IPC) 2021 with Alabama-specific amendments (applicable in jurisdictions that adopt it)
Effective Dates
- January 1, 2021 – Present (varies by jurisdiction within Alabama)
Adopts with Amendments
- International Plumbing Code (IPC) 2021
Scope
- The Alabama Plumbing Code 2021 establishes minimum requirements for plumbing systems in residential, commercial, and industrial buildings. This code covers standards for materials, installation, water supply, drainage, and venting to ensure safe and efficient plumbing systems that protect public health and prevent contamination.
Exception #1: Local jurisdictions in Alabama may adopt or amend provisions of the IPC, resulting in variations in code application across the state.
Exception #2: Historic buildings undergoing minor renovations may follow alternative compliance pathways to maintain original plumbing layouts while ensuring essential health and safety requirements.
CODE REFERENCE GUIDE
| Area | Primary | Supplement |
|---|---|---|
| Water Supply and Distribution | IPC 2021 | NONE |
| Sanitary Drainage Systems | IPC 2021 | NONE |
| Storm Drainage | IPC 2021 | NONE |
| Venting Requirements | IPC 2021 | NONE |
| Fixture Requirements | IPC 2021 | NONE |
| Materials and Joints | IPC 2021 | NONE |
| Cross-Connection Control | IPC 2021 | NONE |
| Inspection and Testing | IPC 2021 | NONE |
| Water Efficiency | IPC 2021 | IECC |
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