As used in this chapter:

(A) “Alter” means to change by making substantive replacements of, additions to, or deletions in the design or materials or to change the location of an existing sewage treatment system.

(B) “Bedrock” means hard stratum that underlies unconsolidated surface materials or soil.

(C) “Board of health” means the board of health of a city or general health district or the authority having the duties of a board of health in any city as authorized by section 3709.05 of the Revised Code.

(D) “Domestic septage” means the liquid or solid material removed from a sewage treatment system, portable toilet, or type III marine sanitation device as defined in 33 C.F.R. § 159.3. “Domestic septage” does not include grease removed from a grease trap.

(E) “Gray water recycling systems” means systems that treat and reuse wastewater discharged from lavatories, bathtubs, showers, clothes washers, and laundry sinks that does not contain food wastes or bodily wastes.

(F) “Household sewage treatment system” means any sewage treatment system, or part of such a system, that receives sewage from a single-family, two-family, or three-family dwelling.

(G) “Infiltrative surface” means the point or area of application of treated or partially treated sewage to the soil or sand fill for purposes of treatment, dispersal, or both.

(H) “Inspection” means the on-site evaluation or analysis of the design, installation, and operation of a sewage treatment system.

(I) “Installer” means any person who engages in the business of installing or altering or who, as an employee of another, installs or alters any sewage treatment system.

(J) “Limiting condition” means a restrictive soil layer, bedrock, a water table, or ground water that limits or precludes the treatment or dispersal of sewage in the soil of a property where a household sewage treatment system is located.

(K) “Manufacturer” means any person that manufactures sewage treatment systems or components of systems.

(L) “Person” has the same meaning as in section 1.59 of the Revised Code and also includes any state, any political subdivision of a state, and any department, division, board, commission, agency, or instrumentality of a state or political subdivision.

(M) “Sanitary sewerage system” means pipelines or conduits, pumping stations, force mains, and all other constructions, devices, appurtenances, and facilities that convey sewage to a central sewage treatment plant and that are required to obtain a permit under Chapter 6111 of the Revised Code.

(N) “Septage hauler” means any person who engages in the collection, transportation, disposal, and land application of domestic septage.

(O) “Service provider” means any person who services, but does not install or alter, sewage treatment systems.

(P) “Sewage” means liquid waste containing animal or vegetable matter in suspension or solution that originates from humans and human activities. “Sewage” includes liquids containing household chemicals in solution commonly discharged from a residence or from commercial, institutional, or other similar facilities.

(Q) “Sewage treatment system” means a household sewage treatment system, a small flow on-site sewage treatment system, or both, as applicable.

(R) “Small flow on-site sewage treatment system” means a system, other than a household sewage treatment system, that treats not more than one thousand gallons of sewage per day and that does not require a national pollutant discharge elimination system permit issued under section 6111.03 of the Revised Code or an injection well drilling or operating permit issued under section 6111.043 of the Revised Code.

(S) “Soil” means the naturally occurring pedogenically developed and undeveloped regolith overlying bedrock.

(T) “Vertical separation distance” means the distance of the infiltrative surface of the distribution system of a soil absorption system, or component thereof, to a limiting condition in the soil.

(U) “Water table” means the surface of the saturated zone below which all interconnected voids are filled with water and at which the pressure is atmospheric.