The 2012 edition of the Uniform Plumbing Code (UPC) represents the most current approaches in the plumbing field.  It is the fourth edition developed under the ANSI Consensus process is designated as an American National Standards by the American National Standards Institute (ANSI). Contributions to the content of this code were made by every segment of the built industry, including such diverse interests as consumers, enforcing authorities, installers/maintainers, labor, manufacturers, research/standards/ testing laboratories, special experts and users.

The International Association of Plumbing and Mechanical Officials (IAPMO) is the premier non-profit membership based organization that specializes in developing standards and excellent in the Plumbing and Mechanical Industry since 1926.

We represent a unique mix of governmental representatives, industry representatives and tradespeople all sharing a common interest - safe and efficient plumbing and mechanical systems through the development, application and enforcement of the Uniform Codes.

Some of the many areas where we publish include:

-Uniform codes in the Plumbing, Mechanical, Solar Energy, and Pool, Spa, and Hot Tub and Green segments
-Study guides & training manuals 
-State codes 
-Local codes