Funded by WMA, the WMA Board visited King County's Wastewater Treatment Division during July 28-29, and signed a Memorandum of Understanding (MOU) for a one-year twinning partnership, discussed twinning activities. The WMA board also visited wastewater treatment plants to understand King County polices and practices in providing wastewater services. King County will develop and institutionalize a toolkit on wastewater management and operation and maintenance in Krabi, an ASEAN Environmentally Sustainable City, and replicate lessons learned throughout Thailand.