333-061-0025 Responsibilities of Water Suppliers (1) Water Suppliers must ensure that drinking water does not contain any contaminant in excess of the maximum contaminant levels (MCLs) identified in OAR 333-061-0030. (2) Water suppliers are responsible for taking all reasonable actions to ensure that the water delivered to water users does not exceed maximum contaminant levels, to ensure that water system facilities are free of public health hazards, and to ensure that water system operation and maintenance are performed as required by these rules. Such actions include, but are not limited to: (a) Routinely collecting and submitting water samples for laboratory analyses at the frequencies prescribed by OAR 333-061-0036; (b) Taking immediate corrective action when the results of analyses or measurements indicate that maximum contaminant levels have been exceeded and report the results of these analyses as prescribed by OAR 333-061-0040; (c) Reporting as prescribed by OAR 333-061-0040, the results of analyses or measurements which indicate that maximum contaminant levels have not been exceeded; (d) Notifying all customers of the water system and the general public in the service area, as prescribed by OAR 333-061-0042, when the maximum contaminant levels have been exceeded; (e) Notifying all customers served by the water system, as prescribed by OAR 333-061-0042, when reporting requirements are not being met, when public health hazards are found to exist in the system, or when the operation of the system is subject to a permit or a variance; (f) Maintaining monitoring and operating records and making these records available for review when the system is inspected; (g) Maintaining a pressure of at least 20 pounds per square inch (psi) at all service connections at all times; (h) Following-up on complaints relating to water quality from users and maintaining records and reports on actions undertaken; (i) Conducting an active program for systematically identifying and controlling cross connections; (j) Submitting, to the Oregon Health Authority, plans prepared by a professional engineer registered in Oregon for review and approval before undertaking the construction of new water systems or major modifications to existing water systems, unless exempted from this requirement; (k) Ensuring that the water system is in compliance with OAR 333-061-0032 relating to water treatment; (l) Ensuring that the water system is in compliance with OAR 333-061-0210–333-061-0272 relating to certification of water system operators; and (m) Ensuring that Transient Non-Community water systems utilizing surface water sources or groundwater sources under the influence of surface water are in compliance with OAR 333-061-0065(2)(c) relating to required special training. Statutory/Other Authority: ORS 448.131 Statutes/Other Implemented: ORS 448.123, 448.131, 448.135, 448.150, 448.278, 448.279, 448.450, 448.455 & 448.460 History: PH 118-2024, amend filed 12/13/2024, effective 01/01/2025 PH 3-2013, f. & cert. ef. 1-25-13 PH 4-2009, f. & cert. ef. 5-18-09 PH 20-2004, f. & cert. ef. 6-18-04 PH 16-2004(Temp), f. & cert. ef. 4-9-04 thru 10-5-04 OHD 17-2002, f. & cert. ef. 10-25-02 HD 7-1992, f. & cert. ef. 6-9-92 HD 9-1989, f. & cert. ef. 11-13-89 Renumbered from 333-042-0206, HD 2-1983, f. & ef. 2-23-83 HD 4-1982, f. & ef. 2-26-82