The body of knowledge under the King initiative’s research
project has been extended to every environmental management
sector, especially wastewater management units of both the government
office and private agencies. In general, the Royal Bueng
Makkasan project should be the example to teach the Thai people
by the King for using the unwanted water hyacinth as weeds
to eliminate unwanted-pollutant wastewater. It is true that ever
since this project started, water hyacinth is acceptable to clean
wastewater in Bangkok and elsewhere in Thailand.