The water works Association of Taiwan was established in June, 1950, and was later renamed the Chinese Taipei Water Works Association on 17 November 1967.
The CTWWA is a membership organization with a broad base of organizational and individual members. As of 2022, the CTWWA had 39 organizational members, including four national water supply facilities (Taipei Water Department , Taiwan Water Corporation, Kinmen County Waterworks, and Lien-chiang County Waterworks), four government agencies, and 31 companies involved in providing water supply engineering services of equipment. In addition, the CTWWA has near 6,000 individual members from industry, academia, and research institutes.
The highest government body within the CTWWA is its General Convention. A Board of Directors and Supervisors serves underneath the General Convention, and the President of the CTWWA servers as its public representative.
There are eight standing committees covering: advisory committee, international affairs committee, compile and publish committee, member affairs committee, finance committee, technical research committee, management research committee and youth affairs committee.
The CTWWA office is headed by its Secretary General and the office is organized into five departments: general administration, accounting, services, personnel, and association affairs. In addition, the CTWWA also maintains a laboratory that provides material inspection services.