I have attached a link to the Vale of Glamorgan Council Pages which includes links to all of the reports carried out on the lakes, water quality, wildlife and ecology reports.

https://www.valeofglamorgan.gov.uk/en/our_council/press_and_communications/latest_news/2025/May/Council-to-welcome-Aqua-Park-to-Cosmeston-Country-Park.aspx

cheers
Rachel