LAC 51:XII.143. Facility Water Supply

A. The water treatment plant’s service connection line and the finished water sample tap line shall both be supplied from a source of finished water at a point where all chemicals have been thoroughly mixed, and the required disinfectant contact time has been achieved (see §179.C of this Part). B. In some cases the take off point of the water treatment plant’s own service connection line and the finished water sample tap line may be downstream of the plant itself but at or before the first customer. C. There shall be no cross-connections between the water treatment plant’s service connection line or the finished water sample tap line and any piping, troughs, tanks, or other treatment units containing wastewater, treatment chemicals, raw or partially treated water.