Louisiana Administrative Code
Title 51 - PUBLIC HEALTH-SANITARY CODE
Part XII - Water Supplies
Chapter 3 - Water Quality Standards
Section XII-301 - Mandatory Water Quality Standards for Public Water Systems

A. Each public water supply shall comply with the maximum contaminant levels, maximum residual disinfectant levels, and treatment technique requirements as prescribed and as applicable in the National Primary Drinking Water Regulations, the Louisiana Total Coliform Rule (Chapter 9 of this Part), the Louisiana Surface Water Treatment Rule (Chapter 11 of this Part), the Louisiana Disinfectants and Disinfection Byproducts Rule (Chapter 13 of this Part), and the Louisiana Lead and Copper Rule (Chapter 17 of this Part). The state health officer, upon determining that a risk to human health may exist, reserves the right to limit exposure to any other contaminant. Further, each public water supply should comply with the National Secondary Drinking Water Regulations. Treatment to remove questionable characteristics shall be approved by the state health officer.

B. Each public water supply shall comply with the monitoring and analytical requirements specified in the National Primary Drinking Water Regulations, the Louisiana Total Coliform Rule (Chapter 9 of this Part), the Louisiana Surface Water Treatment Rule (Chapter 11 of this Part), the Louisiana Disinfectants and Disinfection Byproducts Rule (Chapter 13 of this Part), and the Louisiana Lead and Copper Rule (Chapter 17 of this Part), as applicable.

C. A laboratory certification program has been established to certify commercially and publicly owned laboratories to perform chemistry compliance monitoring analyses for public water systems and other potable water supply systems. Laboratories seeking certification in any chemistry category for which certification is offered must adhere to the rules and regulations governing laboratory certifications as contained in the Department of Health and Hospitals, Office of Public Health's laboratory certification regulations (see LAC 48:V.Chapter 80). An annual certification fee will be assessed laboratories seeking certification from the Department of Health and Hospitals, Office of Public Health.