Interpretation: general
 1. (1) In this Regulation, “appurtenance” includes a valve, valve chamber, hydrant, hydrant lead, flow meter, curb stop, maintenance access point, personnel access opening or other minor accessory part of a watermain; (“accessoire”) “calendar quarter” means, in relation to a year, the three-month period that begins on January 1, April 1, July 1 or October 1; (“trimestre civil”) “certified operator” means, with respect to a subsystem, an individual who holds or is deemed to hold a certificate under Ontario Regulation 128/04 (Certification of Drinking Water System Operators and Water Quality Analysts) that is applicable under that regulation to that subsystem or that type of subsystem, but does not include an individual who holds or is deemed to hold only a water quality analyst’s certificate or conditional water quality analyst’s certificate under that regulation; (“exploitant agréé”) “child care centre” means a child care centre as defined in the Child Care and Early Years Act, 2014; (“centre de garde”) “children and youth care facility” means, (a) a child care centre, (b) a facility where any service described in clauses (a) to (h) of the definition of service in subsection 2 (1) of the Child, Youth and Family Services Act, 2017
is provided to children under 18 years of age, unless the facility is located in a private residence, (c)  Revoked: O. Reg. 185/18, s. 1 (1). (d) an Ontario Early Years Centre, (e) a location where a satellite program of an Ontario Early Years Centre that receives funding under the Ministry of Community and Social Services Act is operated, if the satellite program provides programs and services on a regular basis, or (f) a residence licensed as a children’s residence under the Child, Youth and Family Services Act, 2017; “children’s camp” means a camp that is intended primarily for 10 or more campers under 18 years of age for temporary occupancy for five or more consecutive 24 hour periods, and which is a recreational camp within the meaning of Ontario Regulation 503/17 (Recreational Camps) made under the Health Protection and Promotion Act; (“camp de vacances pour enfants”) “chloramination” means combined chlorine residual disinfection where the combined chlorine residual is predominately in the form of monochloramine; (“chloramination”) “chlorination” means free chlorine residual disinfection; (“chloration”) “delivery agent care facility” means, (a) a place that receives funding to provide emergency shelter or long-term housing under the Community Homelessness Prevention Initiative of the Ministry of Municipal Affairs and Housing, unless, (i) the place is located in a private residence, or (ii) the place is used only for services other than emergency shelter or long-term housing, or is used only for office and administrative purposes, (b)  Revoked: O. Reg. 420/12, s. 1 (1). (c) a place where a resource centre program that receives funding under the Child Care and Early Years Act, 2014 is provided, or (d) a place where a recreational program that receives funding under the Child Care and Early Years Act, 2014 is provided; (“établissement de prestation de services”) “designated facility” means, (a) a children and youth care facility, (a.1) a children’s camp, (b) a delivery agent care facility, (c) a health care facility, (d) a school or private school, (e) a social care facility, or (f) a university, a college of applied arts and technology, or an institution with authority to grant degrees; (“établissement désigné”) “distribution sample” means, with respect to a 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; (“échantillon de distribution”) “emergency substitute operator” means a person employed to carry out the functions of a certified operator temporarily in specific emergency circumstances, in accordance with sections 32, 33 and 34 of Ontario Regulation 128/04 (Certification of Drinking Water System Operators and Water Quality Analysts), made under the Act; (“exploitant suppléant d’urgence”) “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; (“établissement de restauration”) “health care facility” means a facility that provides overnight accommodation and that is, (a) a hospital within the meaning of the Public Hospitals Act or the Community Psychiatric Hospitals Act, (b) a private hospital within the meaning of the Private Hospitals Act, (c) a psychiatric facility within the meaning of the Mental Health Act, (d) a long term-care home within the meaning of the Fixing Long-Term Care Act, 2021, (e), (f) Revoked:  O. Reg. 106/10, s. 1. (g)  Revoked: O. Reg. 65/20, s. 1. (h) a home for special care within the meaning of the Homes for Special Care Act, (i) an approved home within the meaning of the Mental Hospitals Act, (j) a residence for seniors or retired persons, or any other similar residence, where attainment of a mature age is a factor in being accepted for occupancy, (k) a nursing station, health centre, clinic or other facility that receives funding through the Ministry of Health and Long-Term Care’s Underserviced Area Program, or (l) a facility owned or leased by a person who receives funding from the Ministry of Health and Long-Term Care for one or more of the following health care support services that are provided to or are available to residents of the facility: (i) a residential treatment services program, (ii) a withdrawal management services program, (iii) a dedicated supportive housing project; (“établissement de soins de santé”) “infiltration gallery” means a subsurface ground water collection system constructed with open-jointed or perforated pipes that discharge collected water into a watertight chamber; (“galerie d’infiltration”) “interested authority” means, (a) with respect to a children and youth care facility other than a child care centre or an Ontario Early Years Centre, the Ministry of Children and Youth Services, or any successor of that ministry, (a.1) with respect to a delivery agent care facility, the service manager designated under the Housing Services Act, 2011 or the service system manager designated under the Child Care and Early Years Act, 2014 for the geographic area in which the facility is located, or any successor of that service manager or service system manager, (b) with respect to a health care facility, the Ministry of Health and Long-Term Care, or any successor of that ministry, (c) with respect to a child care centre, Ontario Early Years Centre or a school, the Ministry of Education, or any successor of that ministry, (d) with respect to a social care facility, the Ministry of Community and Social Services, or any successor of that ministry, or (e) with respect to a university, a college of applied arts and technology, or an institution with authority to grant degrees, the Ministry of Training, Colleges and Universities, or any successor of that ministry; (“autorité compétente”) “large municipal non-residential system” means a municipal drinking water system that does not serve a major residential development and is capable of supplying drinking water at a rate of more than 2.9 litres per second; (“gros réseau non résidentiel municipal”) “large municipal residential system” means a municipal drinking water system that serves a major residential development and serves more than 100 private residences; (“gros réseau résidentiel municipal”) “large non-municipal non-residential system” means a non-municipal drinking water system that is capable of supplying drinking water at a rate of more than 2.9 litres per second and does not serve, (a) a major residential development, or (b) a trailer park or campground that has more than five service connections; (“gros réseau non résidentiel et non municipal”) “licensed engineering practitioner” means a person who holds a licence, limited licence or temporary licence under the Professional Engineers Act; (“praticien de l’ingénierie titulaire d’un permis”) “month” means a calendar month; (“mois”) “non-municipal seasonal residential system” means a non-municipal drinking water system that, (a) serves, (i) a major residential development, or (ii) a trailer park or campground that has more than five service connections, and (b) does not operate to supply water to a development, trailer park or campground referred to in clause (a) for at least 60 consecutive days in, (i) every calendar year, or (ii) every period that begins on April 1 in one year and ends on March 31 in the following year; (“réseau résidentiel saisonnier non municipal”) “non-municipal year-round residential system” means a non-municipal drinking water system, other than a non-municipal seasonal residential system, that serves, (a) a major residential development, or (b) a trailer park or campground that has more than five service connections; (“réseau résidentiel toutes saisons non municipal”) “Ontario Drinking Water Quality Standards” means Ontario Regulation 169/03 (Ontario Drinking Water Quality Standards)”; (“normes de qualité de l’eau potable de l’Ontario”) “Ontario Early Years Centre” means an Ontario Early Years Centre that receives funding under the Ministry of Community and Social Services Act or the Child Care and Early Years Act, 2014; (“centre de développement de la petite enfance de l’Ontario”) “OWRA approval” means an approval granted before this Regulation came into force under section 52 of the Ontario Water Resources Act; (“approbation visée par la LREO”) “OWRA order” means an order, direction or report in respect of a water works that was issued before this Regulation came into force under the Ontario Water Resources Act; (“texte visé par la LREO”) “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; (“unité de traitement au point d’entrée”) “primary disinfection” means a process or series of processes intended to remove or inactivate human pathogens such as viruses, bacteria and protozoa in water; (“désinfection primaire”) “private residence” has the meaning prescribed in Ontario Regulation 171/03 (Definitions of Words and Expressions Used in the Act) for the purpose of the definition of “private residence” in subsection 2 (1) of the Act; (“résidence privée”) “private school” means a private school as defined in the
Education Act; (“école privée”) “Procedure for Corrective Action for Systems Not Currently Using Chlorine” means the document of that name, originally dated April 16, 2003, published by and available from the Ministry, as amended from time to time; (“Mesures correctives à prendre pour les réseaux n’utilisant pas de chlore”) “Procedure for Disinfection of Drinking Water in Ontario” means the document of that name, originally dated April 16, 2003, published by and available from the Ministry, as amended from time to time; (“Marche à suivre pour désinfecter l’eau potable en Ontario”) “professional hydrogeologist” means a hydrogeologist who is a member of the Association of Professional Geoscientists of Ontario; (“hydrogéologue”) “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, (b.1) a trailer park or campground, (c) a marina, (d) a church, mosque, synagogue, temple or other place of worship, (e) a recreational camp, (f) a recreational or athletic facility, (g) a place, other than a private residence, where a service club or fraternal organization meets on a regular basis, or (h) any place where the general public has access to a washroom, drinking water fountain or shower; (“installation publique”) “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; (“prélever de nouveaux échantillons et les analyser”) “school” means a school as defined in the Education Act; (“école”) “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); (“désinfection secondaire”) “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; (“branchement d’eau”) “service pipe” means the pipe portion of a drinking water system that extends from a watermain to the property line of a property serviced by the watermain; (“conduite de branchement”) “small municipal non-residential system” means a municipal drinking water system that does not serve a major residential development, is not capable of supplying drinking water at a rate of more than 2.9 litres per second and serves a designated facility or public facility; (“petit réseau non résidentiel municipal”) “small municipal residential system” means a municipal drinking water system that serves a major residential development but serves fewer than 101 private residences; (“petit réseau résidentiel municipal”) “small non-municipal non-residential system” means a non-municipal drinking water system that is not capable of supplying drinking water at a rate of more than 2.9 litres per second, serves a designated facility or public facility and does not serve, (a) a major residential development, or (b) a trailer park or campground that has more than five service connections; (“petit réseau non résidentiel et non municipal”) “social care facility” means, (a) a supported group living residence or intensive support residence that receives funding under the Services and Supports to Promote the Social Inclusion of Persons with Developmental Disabilities Act, 2008, (b)-(d) Revoked:  O. Reg. 253/05, s. 1 (8). (e) a place where an emergency shelter service that receives funding under the Ministry of Community and Social Services Act is provided, unless the place is located in a private residence, (f), (g) Revoked:  O. Reg. 253/05, s. 1 (8). (h) a sheltered workshop that receives funding under the Ministry of Community and Social Services Act, (i) a place where a supported employment program that receives funding under the Ministry of Community and Social Services Act is provided, (j) a place where community participation services and supports that receive funding under the Services and Supports to Promote the Social Inclusion of Persons with Developmental Disabilities Act, 2008
are provided, unless the place is located in a private residence, (k) a place where an employment preparation, training and job placement program that receives funding under the Ontario Disability Support Program Act, 1997 is provided, (l) a place where a violence against women program that receives funding under the Ministry of Community and Social Services Act is provided, unless the place is located in a private residence, (m) a place where an aboriginal healing and wellness program funded under the Aboriginal Healing and Wellness Strategy is provided; (“établissement de services sociaux”) “subsystem” has the same meaning as in Ontario Regulation 128/04 (Certification of Drinking Water System Operators and Water Quality Analysts); (“sous-réseau”) “trained person” means, (a) an individual who holds or is deemed to hold a certificate under Ontario Regulation 128/04 (Certification of Drinking Water System Operators and Water Quality Analysts), other than an individual who holds or is deemed to hold only a water quality analyst’s certificate or conditional water quality analyst’s certificate under that regulation, or (b) a person who, in the preceding 36 months, successfully completed a course approved by the Director that relates to the operation and routine maintenance of drinking water systems; (“personne qualifiée”) “watermain” means any system of pipes and appurtenances used for the distribution of drinking water, but does not include plumbing or a pumping facility; (“conduite d’eau principale”) “water quality analyst” has the same meaning as in Ontario Regulation 128/04 (Certification of Drinking Water System Operators and Water Quality Analysts); (“analyste de la qualité de l’eau”) “week” means a period of seven days that begins on Sunday and ends on the following Saturday. (“semaine”)  O. Reg. 170/03, s. 1 (1); O. Reg. 170/03, s. 1 (12); O. Reg. 249/03, s. 1; O. Reg. 269/03, s. 1; O. Reg. 165/04, s. 1; O. Reg. 126/04, s. 1; O. Reg. 253/05, s. 1 (1-8); O. Reg. 247/06, s. 1; O. Reg. 326/08, s. 1; O. Reg. 418/09, s. 1 (1-4); O. Reg. 106/10, s. 1; O. Reg. 420/12, s. 1; O. Reg. 374/15, s. 1; O. Reg. 458/16, s. 1; O. Reg. 509/17, s. 1; O. Reg. 185/18, s. 1; O. Reg. 65/20, s. 1; O. Reg. 820/21, s. 1; O. Reg. 269/22, s. 1. (2) Despite the definition of “large municipal non-residential system” in subsection (1), a drinking water system described in that definition that has one or more distribution lines that supply water exclusively for operations described in subsection (3), shall be deemed to be a small municipal non-residential system for the purposes of this Regulation if the result of the following calculation is 2.9 litres per second or less: A – B where, A = the maximum rate, expressed in litres per second, at which the drinking water system can supply drinking water, B = the sum of the average rates, expressed in litres per second, at which the drinking water system supplied drinking water in the preceding calendar year to the distribution lines that supply water exclusively for operations described in subsection (3). O. Reg. 170/03, s. 1 (2). (3) The operations referred to in subsections (2) and (6) are the following: 1. Agricultural operations. 2. Landscaping operations. 3. Industrial or manufacturing operations, including food manufacturing or processing operations. 4. Swimming pool or skating rink maintenance operations.  O. Reg. 170/03, s. 1 (3). (4) Despite subsection (2) and the definition of “large municipal non-residential system” in subsection (1), a drinking water system described in subsection (2) shall be deemed, during the calendar year in which the system begins operation, to be a small municipal non-residential system for the purposes of this Regulation if the owner of the system, on reasonable grounds, estimates that the result of the calculation referred to in subsection (2) would be 2.9 litres per second or less if the system had operated during all of the preceding calendar year.  O. Reg. 170/03, s. 1 (4). (5) Revoked:  O. Reg. 253/05, s. 1 (9). (6) Despite the definition of “large non-municipal non-residential system” in subsection (1), a drinking water system described in that definition that has one or more distribution lines that supply water exclusively for operations described in subsection (3) shall be deemed to be a small non-municipal non-residential system for the purposes of this Regulation if the result of the following calculation is 2.9 litres per second or less: A – B where, A = the maximum rate, expressed in litres per second, at which the drinking water system can supply drinking water, B = the sum of the average rates, expressed in litres per second, at which the drinking water system supplied drinking water in the preceding calendar year to the distribution lines that supply water exclusively for operations described in subsection (3). O. Reg. 170/03, s. 1 (6). (7) Despite subsection (6) and the definition of “large non-municipal non-residential system” in subsection (1), a drinking water system described in subsection (6) shall be deemed, during the calendar year in which the system begins operation, to be a small non-municipal non-residential system for the purposes of this Regulation if the owner of the system, on reasonable grounds, estimates that the result of the calculation referred to in subsection (6) would be 2.9 litres per second or less if the system had operated during all of the preceding calendar year.  O. Reg. 170/03, s. 1 (7). (8) Revoked:  O. Reg. 253/05, s. 1 (10). (9) For the purposes of the definition of “non-municipal seasonal residential system” in subsection (1), a drinking water system that, during the 365-day period that begins on the day the system begins operation, will not supply water for at least 60 consecutive days to a development, trailer park or campground referred to in clause (a) of that definition shall be deemed, during that 365-day period, to be a drinking water system that does not operate to supply water to a development, trailer park or campground referred to in clause (a) of that definition for at least 60 consecutive days in every calendar year.  O. Reg. 253/05, s. 1 (11). (10) Spent:  O. Reg. 170/03, s. 1 (10). (11) Spent:  O. Reg. 170/03, s. 1 (11). (12) Spent:  O. Reg. 170/03, s. 1 (12).