Q-2, r. 40 - Regulation respecting the quality of drinking water

Section 14 Disposition versions

2024-06-21

14. The person in charge of a distribution system must, to control the inorganic substances listed in Schedule 1, except bromates, chloramines, chlorites and chlorates, manganese, nitrites, lead and copper, collect or have collected samples from the water supplied, in accordance with the terms and conditions provided for in the following table for each type of distribution system and substances:

Substances	Type of distribution system	Minimum number of samples	Sampling period
	Number of users
Substances listed in Schedule 1, except lead, copper, chloramines, bromates, chlorites, chlorates, manganese, nitrates + nitrites, and nitrites	≥ 21	1	Annually, between 1 July and 1 October
Nitrates + nitrites	≥ 21	1	During each quarter beginning respectively on 1 January, 1 April, 1 July and 1 October, with a minimum interval of 2 months between the sampling dates.

For the purposes of this section, if the distribution service is not in service from 1 July to 1 October, the samples required may be taken during any other period where the system is in service, despite the provisions of the above table.

This section does not apply to a distribution system that is supplied by another distribution system subject to the control of the inorganic substances referred to in the above table, as long as both distribution systems are interconnected.

O.C. 647-2001, s. 14; O.C. 467-2005, s. 15; O.C. 70-2012, s. 17; O.C. 992-2023, s. 1.

2013-03-08

14. The person in charge of a distribution system must, to control the inorganic substances listed in Schedule 1, except bromates, chloramines, chlorites and chlorates, nitrites, lead and copper, collect or have collected samples from the water supplied, in accordance with the terms and conditions provided for in the following table for each type of distribution system and substances:

                                                                                   
    Substances                 Type of            Minimum      Sampling period  
                             distribution        number of                           
                                system            samples
                            ______________
                               Number of
                                users

Substances listed in             ≥  21                1        Annually, between
Schedule 1, except lead,                                       1 July and 1 October
copper, chloramines,
bromates, chlorites,
chlorates, nitrates
+ nitrites, and nitrites

Nitrates + nitrites               ≥ 21                1        During each quarter
                                                               beginning
                                                               respectively on 
                                                               1 January, 1 April,
                                                               1 July and 1 October,
                                                               with a minimum
                                                               interval of 2 months
                                                               between the
                                                               sampling dates.

For the purposes of this section, if the distribution service is not in service from 1 July to 1 October, the samples required may be taken during any other period where the system is in service, despite the provisions of the above table.

This section does not apply to a distribution system that is supplied by another distribution system subject to the control of the inorganic substances referred to in the above table, as long as both distribution systems are interconnected.

O.C. 647-2001, s. 14; O.C. 467-2005, s. 15; O.C. 70-2012, s. 17.

2012-09-01

14. The person in charge of a distribution system must, for the purpose of testing for the inorganic substances listed in Schedule 1 other than nitrates+nitrites and nitrites, chloramines and bromates, collect or have at least 1 sample of the water supplied collected annually between 1 July and 1 October, or if the distribution system is not in service from 1 July to 1 October, at any other period when it is in service.

The person must also, for the purpose of testing for nitrates+nitrites, collect or have at least 1 sample of the water supplied collected annually during each of the quarters beginning respectively on 1 January, 1 April, 1 July and 1 October, with a minimum interval of 2 months between samplings.

This section does not apply to a distribution system supplied by another distribution system that is subject to the inorganic substances testing requirements.

O.C. 647-2001, s. 14; O.C. 467-2005, s. 15.