Establishing minimum detectable disinfectant residual level requirements, disinfectant residual testing requirements, and related requirements for the control of Legionella bacteria and other pathogens in the public water supply; requiring the Department of the Environment and the Department of Health, by October 1, 2027, to report to the Governor and General Assembly with recommendations for legislative action to control legionella bacteria and other waterborne pathogens in the public water supply of the State; etc.