Monitoring

Water quality in all marine parks and marine reserve are monitored quarterly every year. Some of the water parameters will be compared with the Water Quality Objectives (WQOs) of Environmental Protection Department (EPD) in the relevant Water Control Zones. For more information on the WQOs, please visit the website of EPD for details.
(http://www.epd.gov.hk/epd/eindex.html )

Latest results of water quality monitoring :

Water quality in Marine Parks and Marine Reserve

Marine Park / Reserve	2023 (Apr-Jun)	2023 (Jul-Sep)	2023 (Oct-Dec)	2024 (Jan-Mar)
Hoi Ha Wan Marine Park
Yan Chau Tong Marine Park
Tung Ping Chau Marine Park
Sha Chau and Lung Kwu Chau Marine Park
The Brothers Marine Park
Southwest Lantau Marine Park
South Lantau Marine Park
Cape D' Aguilar Marine Reserve

Water quality in last 3 years

Marine Park / Reserve	2021	2022	2023
Hoi Ha Wan Marine Park
Yan Chau Tong Marine Park
Tung Ping Chau Marine Park
Sha Chau and Lung Kwu Chau Marine Park
The Brothers Marine Park
Southwest Lantau Marine Park
Cape D' Aguilar Marine Reserve