Part XII - Water Supplies

Chapter 1 - General (§§ XII-101 — XII-191)
Chapter 2 - Public Water System Construction, Operation and Maintenance (§§ XII-201 — XII-279)
Chapter 3 - Water Quality Standards (§§ XII-301 — XII-377)
Chapter 4 - Community Water System Accountability Rule (§§ XII-401 — XII-411)
Chapter 5 - Civil Penalty Assessment Rule [formerly appendix A] (§§ XII-501 — XII-509)
Chapter 7 - Accompanying Guidelines to the Civil Penalty Assessment Rule [formerly Appendix B] (§§ XII-701 — XII-709)
Chapter 9 - Louisiana Total Coliform Rule (§§ XII-901 — XII-913)
Chapter 11 - Surface Water Treatment Rule (§§ XII-1101 — XII-1141)
Chapter 12 - Ground Water Rule (§ XII-1201)
Chapter 13 - Disinfectants and Disinfection Byproducts Rule (§§ XII-1301 — XII-1319)
Chapter 15 - Approved Chemical Laboratories/Drinking Water (§§ XII-1501 — XII-1509)
Chapter 17 - Lead and Copper Rule (§§ XII-1701 — XII-1703)
Chapter 19 - Public Notification Rule (§§ XII-1901 — XII-1911)