Classification of waterworks

Classification of waterworks. Classification of waterworks. The classification of each waterworks shall be class 1 and assigned one or more of the applicable subclasses based on the operations performed at that waterworks. (1) Subclass G — Groundwater source. All waterworks utilizing a groundwater source. (2) Subclass Z — Zeolite and resin treatment. All waterworks providing zeolite softening or specific contaminant removal by resins. (3) Subclass I — Oxidation and filtration treatment. All waterworks providing iron removal by oxidation and filtration. (4) Subclass L — Lime-soda ash treatment. All waterworks providing treatment by the lime-soda ash process for iron removal or softening, or both. (5) Subclass S — Surface water source. All waterworks utilizing a surface water source. (6) Subclass D — Distribution system. All waterworks containing a distribution system. (7) Subclass V — Specialized treatment. All waterworks providing special treatment such as, but not limited to, air stripping, granular activated carbon or others.