A member of ResearchGate asked on July 14, 2017:
“Could anybody lead me to a database of constructed wetlands for wastewater treatment…?”
Here are some useful answers supplied by other members:
https://www.epa.gov/wetlands/constructed-wetlands
http://www.globalwettech.com/en/about-constructed-wetlands.html
http://www.iwapublishing.com/books/9781900222051/constructed-wetlands-pollution-control
E.D. – 18 July 2017