The online RCAP Resources Library has a variety of resources that are useful to small, rural drinking water and wastewater systems.

Association of Boards of Certification

The Association of Boards of Certification is a membership organization that fosters water and wastewater operator certification throughout North America. It was started in 1972.

The association includes almost 100 certifying authorities, representing more than 40 states, nine Canadian provinces as well as several international programs. These programs certify over 150,000 water and wastewater operators, laboratory analysts, plant maintenance technologists, biosolids land appliers and backflow prevention assembly testers.

Membership in ABC

ABC serves its membership as a connection to the certification world, a voice for international certification issues and a tool to build professional relationships.

ABC exists for its membership, giving them a voice on national issues and serving as a conduit for information in an ever-changing industry. Members and dedicated volunteers, along with professional staff, continue to advance water quality and integrity and promote certification as a means of protecting public health and the environment.

ABC’s members are leaders on international issues affecting operator certification, and ABC provides a forum for the exchange of ideas.


ABC is dedicated to advancing the quality and integrity of environmental certification programs.


  • Promote certification as a means of protecting public health, the infrastructure, and the environment.
  • Promote uniformity of standards and best practices in certification.
  • Serve as the technical resource for certification entities.
  • Facilitate the transfer of certification between certifying authorities.
  • Serve the needs of members.

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