Section 900.10  Definitions

            "Applicant" means any person making application for a permit to construct or alter a public water system.

            "Cistern" means a source of water supply developed by intercepting rainfall with roof surfaces.

            "Contaminant" means any physical, chemical, biological or radiological substance or matter in water.

            "CT" means the product of the chlorine residual and chlorine contact time at the point of treatment required for 99.9 percent or 3-log inactivation of Giardia lamblia cysts.

            "Department" means the Illinois Department of Public Health.

            "Filtration" means a process for removing particulate matter from water by passing through porous media.

            "Groundwater Under the Influence" means surface water or water obtained from a well or a collector which is not in compliance with the Illinois Water Well Construction Code.

            "Maximum Contaminant Level" means the maximum permissible level of contaminant in water which is delivered to the free flowing outlet of the ultimate user of a public water system, except in the case of turbidity, where the maximum permissible level is measured at the point of entry to the distribution system.  Contaminants added to the water under circumstances controlled by the user are excluded from this definition.

            "Non-Transient Non-Community System" means a non-community water system which regularly serves the same 25 or more persons at least 6 months a year.

            "Person" means any individual, group of individuals, association, trust, partnership, corporation, person doing business under an assumed name, county, municipality, the State of Illinois or any political subdivision or department thereof, or any other entity.

            "Potential Primary Source" means any unit at a facility or site not currently subject to a removal or remedial action which:

            is utilized for the treatment, storage, or disposal of any hazardous or special waste not generated at the site; or

            is utilized for the disposal of municipal waste not generated at the site, other than landscape waste and construction and demolition debris; or

            is utilized for the landfilling, land treating, surface impounding or piling of any hazardous or special waste that is generated on the site or at other sites owned, controlled or operated by the same person; or

            stores or accumulates at any time more than 75,000 pounds above ground, or more than 7,500 pounds below ground, of any hazardous substances.

            (Section 3.59 of the Environmental Protection Act (Ill. Rev. Stat. 1991, ch. 111 1/2, par. 1003.59) [415 ILCS 5/3.59])

            "Potential Route" means abandoned and improperly plugged wells of all kinds, drainage wells, all injection wells, including closed loop heat pump wells, and any excavation for the discovery, development or production of stone, sand or gravel.  (Section 3.58 of the Environmental Protection Act (Ill. Rev. Stat. 1991, ch. 111 1/2, par. 1003.58) [415 ILCS 5/3.58])

            "Potential Secondary Source" means any unit at a facility or a site not currently subject to a removal or remedial action, other than a potential primary source, which:

            is utilized for the landfilling, land treating, or surface impounding of waste that is generated on the site or at other sites owned, controlled or operated by the same person, other than livestock and landscape waste, and construction and demolition debris; or

            stores or accumulates at any time more than 25,000 but not more than 75,000 pounds above ground, or more than 2,500 but not more than 7,500 pounds below ground, of any hazardous substances; or

            stores or accumulates at any time more than 25,000 gallons above ground, or more than 500 gallons below ground, of petroleum, including crude oil or any fraction thereof which is not otherwise specifically listed or designated as a hazardous substance; or

            stores or accumulates pesticides, fertilizers, or road oils for purposes of commercial application or for distribution to retail sales outlets; or stores or accumulates at any time more than 50,000 pounds of any de-icing agent; or

            is utilized for handling livestock waste or for treating domestic wastewaters other than private sewage disposal systems as defined in the "Private Sewage Disposal Licensing Act" (Ill. Rev. Stat. 1991, ch. 111 1/2, par. 116.301) [225 ILCS 225].

            (Section 3.60 of the Environmental Protection Act (Ill. Rev. Stat. 1991, ch. 111 1/2, par. 1003.60) [415 ILCS 5/3.60])

            "Public Water System" means a system for the provision to the public of piped water for human consumption, if the system has at least 15 service connections or regularly serves an average of at least 25 individuals daily at least 60 days per year.  The term Public Water System includes any collection, treatment, storage and distribution facilities under control of the operator of such system and used primarily in connection with such system and any collection or pretreatment storage facilities not under such control which are used primarily in connection with such system.

            Community Water System means a public water system which serves at least 15 service connections used by residents or regularly serves at least 25 residents for at least 60 days a year.

            Non-Community Water System means a public water system that is not a community water system, that has at least 15 service connections used by non-residents, or regularly serves 25 or more non-resident individuals daily for at least 60 days a year and shall include vending machines.

            "Sanitary  Survey" means an on-site inspection of the water source, facilities, equipment, operation, and maintenance of a public water system for the purpose of evaluating their adequacy for producing and distributing safe drinking water.

            "Service Connection" means the opening, including all fittings and appurtenances, at the water main through which water is supplied to the user.

            "Slow Sand Filtration" means a process involving passage of raw water through a bed of sand at low velocity resulting in substantial particulate removal by physical and biological mechanisms.

            "State" means the State of Illinois, Illinois Department of Public Health or the Illinois Environmental Protection Agency, as appropriate.

            "Surface Water" means all water which is open to the atmosphere and subject to surface runoff.

            "Vending Machine" means a device which provides treatment and/or dispenses a specific amount of water after money has been inserted into the device or after the water has been purchased.

            "Waterborne Disease Outbreak" means the significant occurrence of acute infectious illness, epidemiologically associated with the ingestion of water from a non-community public water system.

(Source:  Amended at 19 Ill. Reg. 7217, effective May 31, 1995)