Definitions

(a) "Alternative on-site sewage treatment systems" means a system serving one or more buildings on one property which utilizes a method of treatment other than a subsurface sewage disposal system and which involves a discharge to the waters of the state. (b) "Domestic sewage" means sewage that consists of water and human excretions or other waterborne waste incidental to the occupancy of the residential buildings or a nonresidential building but not including manufacturing process water, cooling water, wastewater from water softening equipment, commercial laundry wastewater, blowdown from heating or cooling equipment, water from cellars or floor drains or surface water from roofs, paved surfaces or yard drains. (c) "House sewer" means a tight sewer pipe extending from the building served by a subsurface sewage disposal system. (d) "Land treatment and disposal" means a system which utilizes soil materials for the treatment of domestic sewage and disposes of the treated effluent by percolation into underlying soil and mixing with the groundwater. (e) "Local Director of Health" means the local director of health or his authorized agent. (f) "Person" means any individual, partnership, association, firm, corporation or other entity, except a municipality, and includes the federal government, the state or any instrumentality of the state and any officer or governing or managing body of any partnership, association, firm or corporation. (g) "Septage" means any water of material withdrawn from a septic tank used to treat domestic sewage. (h) "Subsurface sewage disposal system" means a system consisting of a house or collection sewer, a septic tank followed by a leaching system, any necessary pumps or siphons, and any groundwater control system on which the operation of the leaching system is dependent.