Interpretation: general
 2. (1) In this Regulation,  “adverse observation” means an observation of an event other than an adverse test result that indicates that a small drinking water system may not be providing the quality of water that is necessary for the safety of the systems users, and without limiting the generality of this meaning, includes, the observation of, (a) inappropriate chemical management, (b) inappropriate disinfection occurring anywhere within the distribution system, (c) inappropriate filtration of the water, (d) a break in the systems piping that might result in contamination of the water, (e) potential for contamination due to the possibility that back flow has occurred, (f) contamination to the systems water source that cannot be adequately dealt with by the treatment being provided by the system; “adverse test result” means any of the following results of a drinking water test: 1. A result that exceeds any of the standards prescribed by Schedule 1, 2 or 3 to the Ontario Drinking Water Quality Standards unless a different maximum concentration is established under a permission or directive issued under this Regulation, if the result is from a sample of drinking water. 2. A result that exceeds any maximum concentration established under a permission or directive issued under this Regulation, if the test result is from a sample of drinking water and the permission or directive which establishes the maximum concentration applies to the particular drinking water system from which the sample was collected. 3. A result indicating the presence of a pesticide not listed in Schedule 2 to the Ontario Drinking Water Quality Standards in a sample of drinking water, at any concentration. 4. If the drinking water system is required to provide secondary disinfection, the system provides chlorination, the system does not provide chloramination and a report under subsection 9 (1) has not been made in respect of free chlorine residual in the preceding 24 hours, a result indicating that the concentration of free chlorine residual is less than 0.05 milligrams per litre in, i. a distribution sample that is a grab sample, or ii. two distribution samples that are tested by continuous monitoring equipment, if the two samples were taken 15 minutes or more apart and the later of the two samples was the first sample that was taken 15 minutes or more after the earlier sample. 5. If the drinking water system is required to provide secondary disinfection, the system provides chloramination and a report under subsection 9 (1) has not been made in respect of combined chlorine residual in the preceding 24 hours, a result indicating that the concentration of combined chlorine residual is less than 0.25 milligrams per litre and the concentration of free chlorine residual is less than 0.05 milligrams per litre in, i. a distribution sample that is a grab sample, or ii. two distribution samples that are tested by continuous monitoring equipment, if the two samples were taken 15 minutes or more apart and the later of the two samples was the first sample that was taken 15 minutes or more after the earlier sample. 6. If the drinking water system is required to provide filtration and a report under subsection 9 (1) has not been made in respect of turbidity in the preceding 24 hours, a result indicating that turbidity exceeds 1.0 Nephelometric Turbidity Units (NTU) in, i. a grab sample of water taken from a filter effluent line, or ii. two samples of water from a filter effluent line that are tested by continuous monitoring equipment, if, A. two samples were taken 15 minutes or more apart and the later of the two samples was the first sample that was taken 15 minutes or more after the earlier sample, and B. the filter effluent line is directing water to the next stage of the treatment process. 7. A result indicating that the concentration of sodium exceeds 20 milligrams per litre in a sample of drinking water, if a report under subsection 9 (1) has not been made in respect of sodium in the preceding 60 months; “Agency” means the Ontario Clean Water Agency established under the Capital Investment Plan Act, 1993; “alteration” includes the following, in respect of a drinking water system, but excludes repairs to the system: 1. An extension of the system. 2. A replacement of part of the system. 3. Taking all or part of the system permanently out of service; “chloramination” means combined chlorine residual disinfection where the combined chlorine residual is predominately in the form of monochloramine; “chlorination” means free chlorine residual disinfection; “designated facility” means a designated facility within the meaning of Ontario Regulation 170/03 (Drinking Water Systems) made under the Safe Drinking Water Act, 2002; “distribution sample” means, with respect to a small drinking water system, a water sample that is taken, in the drinking water system’s distribution system or in plumbing that is connected to the drinking water system, from a point significantly beyond the point at which drinking water enters the distribution system or plumbing; “distribution system” means the part of a drinking water system that is used in the distribution, storage or supply of water and that is not part of a treatment system; “document” includes a sound recording, video tape, film, photograph, chart, graph, map, plan, survey, book of account, and information recorded or stored by means of any device; “drinking water” means, (a) water intended for human consumption, or (b) water that is required by an Act, regulation, order, municipal by-law or other document issued under the authority of an Act, (i) to be potable, or (ii) to meet or exceed the requirements of the Ontario Drinking Water Quality Standards; “drinking water system” means a system of works, excluding plumbing, that is established for the purpose of providing users of the system with drinking water and that includes, (a) any thing used for the collection, production, treatment, storage, supply or distribution of water, (b) any thing related to the management of residue from the treatment process or the management of the discharge of a substance into the natural environment from the treatment system, and (c) a well or intake that serves as the source or entry point of raw water supply for the system; “drinking water testing service” means a service that involves the conduct of one or more drinking water tests; “food service establishment” means a food service premise, as defined in Ontario Regulation 493/17 (Food Premises) made under the Health Protection and Promotion Act, to which the general public is admitted, but does not include any temporary food service premise operated solely in conjunction with an exhibition, fair, carnival, sports meeting or other special or temporary event; “licensed engineering practitioner” means a person who holds a licence, limited licence or temporary licence under the Professional Engineers Act; “major residential development” means a development of six or more private residences on one or more properties; “month” means a calendar month; “natural environment” includes the air, land and water of the Province of Ontario; “Ontario Drinking Water Quality Standards” means Ontario Regulation 169/03 (Ontario Drinking Water Quality Standards) made under the Safe Drinking Water Act, 2002; “owner” includes, in respect of a small drinking water system, every person who is a legal or beneficial owner of all or part of the system, but does not include the Agency or any of its predecessors where the Agency or predecessor is registered on title as the owner of the system; “plumbing” means a system of works, (a) that comprise a “water system” for the purposes of the definition of “plumbing” in subsection 1 (1) of the Building Code Act, 1992, other than equipment that is installed in plumbing to treat water but that is not a plumbing appliance within the meaning of Ontario Regulation 332/12 (Building Code), and (b) that are connected to a small drinking water system; “point of entry treatment unit” means equipment that, (a) is designed to provide primary disinfection, (b) is installed in a drinking water system at or near where water from the system enters a building or other structure, and (c) is connected to the plumbing associated with the building or other structure; “primary disinfection” means a process or series of processes intended to remove or inactivate human pathogens such as viruses, bacteria and protozoa in water; “private residence” means a dwelling place occupied for an extended period of time by the same persons, if, (a) the residents have a reasonable expectation of privacy, (b) food preparation, personal hygiene, and sleeping accommodations are not communal in nature, and (c) any use of the dwelling place by a resident for a home occupation, trade, business, profession or craft is secondary to the use of the dwelling place as a residence and does not use more than 25 per cent of the indoor floor area; “public facility” means, (a) a food service establishment, (b) a place that operates primarily for the purpose of providing overnight accommodation to the travelling public, (c) a trailer park or campground, (d) a marina, (e) a church, mosque, synagogue, temple or other place of worship, (f) a recreational camp, (g) a recreational or athletic facility, (h) a place, other than a private residence, where a service club or fraternal organization meets on a regular basis, or (i) any place where the general public has access to a washroom, drinking water fountain or shower; “raw water” means water that is in a small drinking water system or in plumbing, and that has not been treated in accordance with this Regulation; “raw water supply” means water outside a drinking water system that is a source of water for the system; “resample and test” means, (a) with respect to corrective action that arises from the test of a water sample for a microbiological parameter, (i) take a set of water samples, at approximately the same time, with, (A) at least one sample from the same location as the sample that gave rise to the corrective action, (B) at least one sample from a location that is a significant distance upstream from the location described in sub-subclause (A), if that is reasonably possible, and (C) at least one sample from a location that is a significant distance downstream from the location described in sub-subclause (A), if that is reasonably possible, and (ii) conduct, on the samples taken under subclause (i), the same test that gave rise to the corrective action, or (b) with respect to corrective action that arises from the test of a water sample for a parameter that is not a microbiological parameter, (i) take a water sample from the same location as the sample that gave rise to the corrective action, and (ii) conduct, on the sample taken under subclause (i), the same test that gave rise to the corrective action; “secondary disinfection” means a process or series of processes intended to provide and maintain a disinfectant residual in a drinking water system’s distribution system, and in plumbing connected to the distribution system, for the purposes of, (a) protecting water from microbiological re-contamination, (b) reducing bacterial regrowth, (c) controlling biofilm formation, and (d) serving as an indicator of distribution system integrity, and includes the use of disinfectant residuals from primary disinfection to provide and maintain a disinfectant residual in a drinking water system’s distribution system for the purposes described in clauses (a) to (d); “service connection” means, (a) a point where a drinking water system connects to plumbing, other than plumbing in a trailer park or campground, or (b) in a trailer park or campground, a fixture that allows a trailer or other vehicle to connect to the trailer park’s or campground’s drinking water system; “surface water” means water in lakes, rivers, ponds or other bodies of water, whether natural or man-made, that are subject to direct contact by rain; “test” includes analyse when used as a verb, and “test”, when used as a noun, and “testing” have corresponding meanings; “treatment system” means any part of a drinking water system that is used in relation to the treatment of water and includes, (a) any thing that conveys or stores water and is part of a treatment process, including any treatment equipment installed in plumbing other than a plumbing appliance within the meaning of Ontario Regulation 332/12 (Building Code), (b) any thing related to the management of residue from the treatment process or the management of the discharge of a substance into the natural environment from the system, and (c) a well or intake that serves as the source or entry point of raw water supply for the system; “waters” includes drinking water, raw water, raw water supply and water contained in plumbing.  O. Reg. 319/08, s. 2 (1); O. Reg. 413/09, s. 1; O. Reg. 341/13, s. 1; O. Reg. 504/17, s. 1. (2) For greater certainty, where this Regulation refers to anything being required by this Regulation, a directive or other requirement imposed by a medical officer of health or public health inspector under this Regulation is included in the reference.  O. Reg. 319/08, s. 2 (2). Application of Regulation