Puerto Vallarta Wastewater Treatment Plant in Mexico
Sewage Treatment Facility in Germany
The Mammoth Community Water District (MCWD) in USA
The Bentonville Wastewater Treatment Utility in USA
Bellows Falls Wastewater Treatment Plant in USA
The Department of Public Works and Highways (DPWH) in the Philippines
Small-scale sewage treatment plant in Tahiti
Ieshima Sewage Purification Center in Japan
Škvorec WWTP in Czech Republic
Sewage treatment plant (Shizuoka Prefecture) in Japan
Sewage Treatment Plant in Japan
Yakage Town Purification Center in Japan