Notice to Medical Officer of Health and to Ministry
8. (1) The owner of a water treatment or distribution system shall ensure that notice is given in accordance with this section if, (a) analysis of a water sample from a water distribution system or a sample of treated water, (i) shows that a parameter exceeds the Maximum Acceptable Concentration (MAC) or Interim Maximum Acceptable Concentration (IMAC) set out for the parameter in Schedule 4 (Chemical/Physical Standards) or 5 (Radiological Standards), (ii) shows that a parameter that is identified in an approval, order or direction referred to in clause 7 (1) (b) as a health-related parameter and that is not mentioned in Schedule 4 or 5 exceeds the maximum concentration set out for that parameter in the approval, order or direction, or (iii) is an indicator of adverse water quality described in Schedule 6 (Indicators of Adverse Water Quality); or (b) other observations disclose an indicator of adverse water quality described in Schedule 6. O. Reg. 459/00, s. 8 (1). (2) In addition to the obligation of the owner under subsection (1) to ensure that notice is given in accordance with this section, a laboratory shall give notice in accordance with this section and shall immediately advise the owner if an analysis carried out by the laboratory of a water sample from a water distribution system or a sample of treated water, (a) shows that a parameter exceeds the Maximum Acceptable Concentration (MAC) or Interim Maximum Acceptable Concentration (IMAC) set out for the parameter in Schedule 4 or 5; (b) shows that a parameter that is identified in an approval, order or direction referred to in clause 7 (1) (b) as a health-related parameter and that is not mentioned in Schedule 4 or 5 exceeds the maximum concentration set out for that parameter in the approval, order or direction; or (c) is an indicator of adverse water quality described in Schedule 6. O. Reg. 459/00, s. 8 (2). (3) Notice under this section must be given to, (a) the medical officer of health for the health unit in which the water treatment or distribution system is located; and (b) the Ministry. O. Reg. 459/00, s. 8 (3). (4) The notice must be given immediately and must be confirmed in writing within 24 hours. O. Reg. 459/00, s. 8 (4). (5) The immediate notice required by subsection (4) must be given by speaking directly or by telephone with a person referred to in subsection (6). O. Reg. 459/00, s. 8 (5). (6) For the purpose of subsection (5), the immediate notice required by subsection (4) must be given, (a) to a medical officer of health, by speaking with a person at the office of the medical officer of health or, if the office is closed, by speaking with a person at the on-call system of the health unit; and (b) to the Ministry, by speaking with a person at the Ministry’s Spills Action Centre. O. Reg. 459/00, s. 8 (6). (7) The written confirmation required by subsection (4) must be given, (a) to a medical officer of health, by delivering the confirmation to the office of the medical officer of health; and (b) to the Ministry, by delivering the confirmation to the Ministry’s Spills Action Centre. O. Reg. 459/00, s. 8 (7). (8) A notice given under this section by the owner of a water treatment or distribution system must confirm that appropriate action is being taken. O. Reg. 459/00, s. 8 (8). (9) If notice was required under subclause (1) (a) (i) or clause (2) (a) because turbidity exceeded the Maximum Acceptable Concentration (MAC) set out for turbidity in Schedule 4, no further notice is required under that provision in respect of the turbidity of a sample taken from a ground water source less than 48 hours after the notice was initially required under that provision. O. Reg. 459/00, s. 8 (9). Corrective Action