| Article 1. Water and Sewer Authorities |
| Article 2. Regional Water Supply Planning |
| Article 3. Regional Sewage Disposal Planning |
| Article 4. Metropolitan Water Districts |
| Article 5. Metropolitan Sewerage Districts |
| Article 5A. Metropolitan Water and Sewerage Districts |
| Article 6. County Water and Sewer Districts |
| Article 7. Assumption of Indebtedness of Certain Districts |