appendix 15 water quality requirements and conditions

Water management: policies, guidelines, provincial.. The surface waters of Ontario are put to many uses, and each use has specific water quality requirements. As a general management principle, water quality must be protected, preserved or restored to permit the greatest number of uses, based on the best interest of the people of Ontario.

Water management: policies, guidelines, provincial.
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Web3.5 Considerations for exempting drinking water systems from filtration requirements. Part II. Science and Technical Considerations. 4.0 Identity and sources in the environment..

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