The Bulgarian Water Association (BWA) is a non-profit organization established on 1 December 2005 after the merger of the Bulgarian Water Supply and Sewerage Association (BAWK) with the Bulgarian National Association on Water Quality (BNAWQ).

Members of Association are companies (100) and water professionals (200), who are involved in the water supply and wastewater collection, including quality and treatment of drinking water and wastewater; management, preservation and utilization of water resources.