CODE DEVELOPMENT

With its Uniform Plumbing Code, Uniform Mechanical Code, Uniform Solar Energy, Hydronic and Geothermal Code and Uniform Swimming Pool, Spa and Hot Tub Code designated as American National Standards, IAPMO is proud to utilize an open consensus process accredited by the American National Standards Institute (ANSI) in its code development practice.

The purpose of the IAPMO code development process is to ensure the continued development and maintenance of the Uniform Codes with the following goals in the forefront:

  • Effectiveness in preserving the public health, safety, and welfare.
  • The timely evaluation and recognition of technological developments pertaining to construction regulations.
  • A consensus process, which provides for the open discussion of proposals by all parties who wish to participate.

IAPMO urges its members and other interested parties to get involved in the code development process to ensure that these goals are maintained. Installers, plumbing and mechanical officials, the construction industry, engineers, and manufacturers all benefit from a cooperative effort in developing codes.

Click on the following covers to go directly to the individual document development page

  

Uniform Plumbing Code (UPC)
Archive revision information
2027 UPC Development Timeline
Code questions?
Additional information brochure

Uniform Mechanical Code (UMC)
Archive revision information
2027 UMC Development Timeline
Code questions?
Additional information brochure

Uniform Solar, Hydronics and
Geothermal Code (USHGC)
Archive revision information
2024 USHGC Development Timeline
Code questions?
Additional information brochure

Uniform Swimming Pool, Spa
and Hot Tub Code (USPSHTC)
Archive revision information
2024 USPSHTC Development Timeline
Code questions?
Additional information brochure

Water Efficiency & Sanitation Standard
(WE•Stand)
Archive revision information
2023 WE•Stand Development Timeline
Code questions?
Water Demand Calculator
2017 WE•Stand Key Provisions
2020 WE•Stand Roadmap
2020 WE•Stand Benefits
Additional information brochure



National Standard Plumbing Code (NSPC)
Document information
Code questions?
Interpretation inquiries?
Additional information brochure

State-Codes based
on Uniform Codes
Additional information
State code & adoption questions?

Sample legislation to adopt
an IAPMO code

 

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