Please refer to the following and attached files.

https://www.caribsan.eu/images/PDF/GP2017_GuideCW-tropical.pdf

https://www.epa.gov/wetlands/constructed-wetlands

https://www.constructedwetland.co.uk/resources/design_guides

https://procurement-notices.undp.org/view_file.cfm?doc_id=182649

https://library.oapen.org/bitstream/handle/20.500.12657/43779/external_content.pdf;jsessionid=C63355EEEB66E9038D95E94DA9E8FBCE?sequence=1

https://www.gwp.org/globalassets/global/toolbox/case-studies/europe/bulgaria.-constructed-wetlands-for-rural-and-peri-urban-waste-water-treatment-431.pdf

Regards

For example, USA has guidelines on wetlands construction.

See this:

https://scholar.google.it/scholar?q=usa+wetland+creation.guidelines&hl=it&as_sdt=0&as_vis=1&oi=scholart#d=gs_qabs&t=1652337597752&u=%23p%3DlWmc84K7HlsJ

Thank you Silvia Piovan and Bachir Achour

Chinese coleagues: Does China have a national "oficial" guideline for treatment wetlands design? I think I read something about in a recent paper.

All the best.

Dear Alison,

You are welcome.

Regards