As used in this chapter:
(1) “Community public water system” means any public water system which serves at least fifteen (15) connections or twenty-five (25) persons who are year-round residents;
(2) “Drinking Water Operator Certification Program” means those activities conducted by the Department of Health and the Drinking Water Advisory and Operator Licensing Committee related to the training, examination, and licensing and certification of public water system operators;
(3) “Late renewal” means an application for renewal when the application for renewal or the associated fee is received more than thirty (30) days following the beginning of a renewal period;
(4) “Noncommunity public water system” means a public water system that serves fifteen (15) service connections or twenty-five (25) persons, at least sixty (60) days per year, that is not a community public water system;
(5) “Nontransient noncommunity public water system” means a public water system that is not a community public water system and that regularly serves at least twenty-five (25) of the same persons over six (6) months per year;
(6) “Public water system ” means all sources and their surroundings from which water is derived for drinking or domestic purposes by the public, and all structures, conduits, and appurtenances in connection therewith by which water for such use is obtained, treated, conditioned, stored, and delivered to consumers;
(7) “Treatment” means the application of physical processes or the addition of chemicals, or both, to water which a public water system provides to the public for the purpose of improving the quality of the water, except that the addition of gaseous chlorine, sodium hypochlorite, or calcium hypochlorite alone shall not be defined as treatment; and
(8) “Water system operator” means any person who, during the performance of his or her regular duties at a community public water system, a nontransient noncommunity public water system, or any other noncommunity public water system which utilizes a surface water or surface water-influenced source, exercises individual judgment by which, either directly or indirectly, the safety, quality, and quantity of water delivered from the water system might be affected.