![]() It was based on the 1967 publication by the OWRC entitled "Policy Guidelines for Water Quality Control in the Province of Ontario" and introduced water quality criteria for various uses. In 1970, the Ontario Water Resources Commission ( OWRC) published "Guidelines and Criteria for Water Quality Management in Ontario". Surface and ground-water quantity is to be managed to ensure a fair sharing, conservation, and sustainability of the resource. Ground water quality is to be preserved to protect the greatest number of uses. The Provincial Water Quality Objectives ( PWQO's) will protect aquatic life and recreation uses and policy direction is provided about how to deal with situations where water quality is better or worse than the Objectives. With respect to surface water quality the goal is to ensure that the water quality is satisfactory for aquatic life and recreation and that water uses which require more stringent water quality be protected on a site specific basis. It gives direction on how to manage the quality and quantity of both surface and ground waters. This 1994 publication contains the Ministry of Environment and Energy policies and guidelines for the management of the province’s water resources. Previously 7 µg/L in the July 94 printing Revised - adoption of Canadian Water Quality Guideline, previously 100 µg/L New - adoption of Canadian Water Quality Guideline The following are approved by the Director, Standards Development Branch on 28 July 1998. If your copy of Water Management is not reprinted Jan 1995 or later, please request a newer reprint from either of the above Branches or the Public Information Centre at 41. The page number refers to Appendix A, not Water Management proper. ![]() The following changes have been incorporated in this printing of Water Management 1994. This publication may be reproduced for non-commercial purposes with appropriate attribution. Cette publication technique n'est disponible qu'en anglais.Ĭopyright: Queen’s Printer for Ontario, 1994
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