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Achievement of Water Quality Objectives in Water Control Zones

The Environmental Protection Department (EPD) determines the water quality of 75 marine and 82 river sampling stations to keep track of the compliance with the Water Quality Objectives in the Water Control Zones. Locations of the marine sampling stations and examples of compliance with the Water Quality Objectives for marine waters are shown in the following figures. Further details of the achievement of Water Quality Objectives in different Water Control Zones are available in the annual report Marine Water Quality in Hong Kong, prepared by the Water Policy and Planning Group of EPD.

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