I’ve written about the science and conservation of water around the world. This includes engineering; research; regional and national conservation; wastewater processing; water for drinking, surfaces, and ground; recycling/reuse, and the processing industry.
https://www.uvm.edu/news/gund/vermont-pay-farmers-tackling-phosphorus
https://www.idexxcurrents.com/en/latest/author/catherine-arnold/ (8-plus samples about the water industry and research studies)
https://factor.niehs.nih.gov/2022/6/papers/harmful-algal-blooms/index.htm
https://news.stanford.edu/press/view/38722
https://www.nwf.org/Magazines/National-Wildlife/2020/August-September/Conservation/Beavers