CODE DEVELOPMENT

 

MISSION AND VISION STATEMENT

IAPMO Codes and Standards provides innovative codes and standards solutions for the protection of the public’s health, safety and welfare. We address the world’s codes and standards needs to improve life for a better, more resilient tomorrow.
 

RECENT NEWS

2024 UPC & UMC TC Meeting Information

The 2024 UPC/UMC TC Newsletter is now available to assist with the upcoming Technical Committee Meetings being held in San Diego, CA.
UPC TC Meetings - May 6 - 8, 2024
UMC TC Meetings - May 9 - 10, 2024

 


2027 UPC/UMC CODE DEVELOPMENT TIMELINE

The 2027 UPC/UMC Code Development Timeline is now available for download.

 


ANSI-Accredited Development Process

With its Uniform Plumbing Code; Uniform Mechanical Code; Uniform Solar, Hydronic and Geothermal Code; Uniform Swimming Pool, Spa and Hot Tub Code; and Water Efficiency and Sanitation Standard (WE•Stand) 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.

Click here to learn more about the IAPMO Codes and Standards development process.

UPC and UMC Development Process
(Four Step Process)
USHGC, USPSHTC and WE•Stand Development Process
(Three Step Process)

 

 


Building True Consensus

IAPMO gathers the largest assembly of plumbing and mechanical experts in the world at its annual education and business conference, where anyone — members and non-members alike — can have a voice and a vote on proposed changes to the code.

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

Code Errata, Addendums, Tentative Interim Amendments & Formal Interpretations Available Here

Press Releases

Articles

2024-01-29 2024 National Standard Plumbing Code — Illustrated Now Available

2024-01-19 IAPMO and ASSE Offer Access to Library of Standards

2024-01-18 IAPMO Seeks Public Input on Manual of Recommended Construction Practices for Potable Water

2023-12-20 IAPMO Seeks Technical Subcommittee Members for Development of American National Standard IAPMO Z1388

2023-12-18 ASSE Seeks Working Group Members to Update National Standard ASSE/IAPMO 6000

2023-10-26 Houston Adopts Uniform Plumbing Code and Uniform Mechanical Code

2023-10-25 ASSE Seeks Working Group Members for Development of National Standard ASSE 1004 and ASSE 1079

2023-10-12 IAPMO Seeks Public Input on Manual of Recommended Practice for Medical Gas Resiliency

2023-10-02 IAPMO Seeks Members for Task Group for Hot Water Recirculation Design, Installation, Commissioning, and Operations

2023-09-07 IAPMO Seeks Technical Subcommittee Members for Development of American National Standard IAPMO Z1393

2023-09-06 IAPMO Publishes Spanish Versions of 2021 Uniform Plumbing Code and Uniform Mechanical Code

2023-09-06 IAPMO publica versiones en español de 2021 del Código Uniforme de Plomería y Código Uniforme de mecánica

2023-09-01 Report on Comments Toward Development of 2023 WE·Stand Now Available for Online Download

2023-09-01 Report on Comments Toward Development of 2024 USHGC, USPSHTC Now Available for Online Download

2023-08-29 IAPMO Seeks Technical Subcommittee Members for Development of National Standard IAPMO Z1390 for Adult Changing Stations

2023-08-22 IAPMO Makes Tentative Interim Amendment Available for Public Comment

2023-07-20 IAPMO Advances Development of 2023 WE•Stand During Technical Committee Meetings

2023-07-20 IAPMO Advances Development of 2024 Solar, Hydronics and Geothermal Code and 2024 Swimming Pool, Spa and Hot Tub Code During Technical Committee Meetings

2023-07-05 IAPMO Solicits Proposals for 2027 UPC, UMC

2023-07-05 IAPMO Launches the IAPMO Codes Portal

2023-07-03 IAPMO Makes Tentative Interim Amendment (TIA) Available for Public Comment

2023-06-16 IAPMO and ESPRI Seek Public Initial Input on Manual of Water Quality for Plumbing Industry Professionals and Building Managers

2023-06-15 IAPMO’s Water Demand Calculator™ Version 2.2 Available for Download

2018 Uniform Code Highlights

Not All Model Codes Are Created Equally

Model Codes Bring Simplicity, Order to Plumbing Engineer’s Work

How Stakeholders Can Effectively Participate in the Development of Codes and Standards

Standards and Model Codes: A Working Relationship

 

Click "Read More" for additional Press Releases & Articles

 

MISSION AND VISION STATEMENT

IAPMO Codes and Standards provides innovative codes and standards solutions for the protection of the public’s health, safety and welfare. We address the world’s codes and standards needs to improve life for a better, more resilient tomorrow.

RECENT NEWS

 

2024 UPC & UMC TC Meeting Information

The 2024 UPC/UMC TC Newsletter is now available to assist with the upcoming Technical Committee Meetings being held in San Diego, CA.
UPC TC Meetings - May 6 - 8, 2024
UMC TC Meetings - May 9 - 10, 2024


2027 UPC/UMC CODE DEVELOPMENT TIMELINE

The 2027 UPC/UMC Code Development Timeline is now available for download.


ANSI-Accredited Development Process

With its Uniform Plumbing Code; Uniform Mechanical Code; Uniform Solar, Hydronic and Geothermal Code; Uniform Swimming Pool, Spa and Hot Tub Code; and Water Efficiency and Sanitation Standard (WE•Stand) 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.

Click here to learn more about the IAPMO Codes and Standards development process.

UPC and UMC Development Process
(Four Step Process)
USHGC, USPSHTC and WE•Stand Development Process
(Three Step Process)

 

 


Building True Consensus

IAPMO gathers the largest assembly of plumbing and mechanical experts in the world at its annual education and business conference, where anyone — members and non-members alike — can have a voice and a vote on proposed changes to the code.

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
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

Code Errata, Addendums, Tentative Interim Amendments & Formal Interpretations Available Here

Press Releases

Articles

2024-01-29 2024 National Standard Plumbing Code — Illustrated Now Available

2024-01-19 IAPMO and ASSE Offer Access to Library of Standards

2024-01-18 IAPMO Seeks Public Input on Manual of Recommended Construction Practices for Potable Water

2023-12-20 IAPMO Seeks Technical Subcommittee Members for Development of American National Standard IAPMO Z1388

2023-12-18 ASSE Seeks Working Group Members to Update National Standard ASSE/IAPMO 6000

2023-10-26 Houston Adopts Uniform Plumbing Code and Uniform Mechanical Code

2023-10-25 ASSE Seeks Working Group Members for Development of National Standard ASSE 1004 and ASSE 1079

2023-10-12 IAPMO Seeks Public Input on Manual of Recommended Practice for Medical Gas Resiliency

2023-10-02 IAPMO Seeks Members for Task Group for Hot Water Recirculation Design, Installation, Commissioning, and Operations

2023-09-07 IAPMO Seeks Technical Subcommittee Members for Development of American National Standard IAPMO Z1393

2023-09-06 IAPMO Publishes Spanish Versions of 2021 Uniform Plumbing Code and Uniform Mechanical Code

2023-09-06 IAPMO publica versiones en español de 2021 del Código Uniforme de Plomería y Código Uniforme de mecánica

2023-09-01 Report on Comments Toward Development of 2023 WE·Stand Now Available for Online Download

2023-09-01 Report on Comments Toward Development of 2024 USHGC, USPSHTC Now Available for Online Download

2023-08-29 IAPMO Seeks Technical Subcommittee Members for Development of National Standard IAPMO Z1390 for Adult Changing Stations

2023-08-22 IAPMO Makes Tentative Interim Amendment Available for Public Comment

2023-07-20 IAPMO Advances Development of 2023 WE•Stand During Technical Committee Meetings

2023-07-20 IAPMO Advances Development of 2024 Solar, Hydronics and Geothermal Code and 2024 Swimming Pool, Spa and Hot Tub Code During Technical Committee Meetings

2023-07-05 IAPMO Solicits Proposals for 2027 UPC, UMC

2023-07-05 IAPMO Launches the IAPMO Codes Portal

2023-07-03 IAPMO Makes Tentative Interim Amendment (TIA) Available for Public Comment

2023-06-16 IAPMO and ESPRI Seek Public Initial Input on Manual of Water Quality for Plumbing Industry Professionals and Building Managers

2023-06-15 IAPMO’s Water Demand Calculator™ Version 2.2 Available for Download

2023-06-13 Using IAPMO’s Water Demand Calculator™ Can Lead to Energy, Carbon and Water Savings in Single and Multifamily Residences, Study Finds

2023-05-01 IAPMO Publishes 2024 Editions of Uniform Plumbing Code (UPC), Uniform Mechanical Code (UMC)

2023-05-01 Beaumont, Texas, Adopts 2021 Uniform Plumbing Code to Replace International Plumbing Code

2023-04-27 IAPMO Seeks UPC Adult Changing Station Task Group Members

2023-04-03 IAPMO WE•Stand Monograph Now Available

2023-04-03 IAPMO USHGC, USPSHTC Code Change Monographs Now Available

2023-03-17 IAPMO Seeks Technical Correlating Committee Members

2023-02-21 St. Louis Updates Plumbing Code to 2021 Uniform Plumbing Code

2023-01-27 IAPMO and AWWA Publishes Manual of Recommended Practices for the Safe Closure and Reopening of Building Water Systems

2023-01-10 IAPMO Seeks UMC Legionella Task Group Members

2023-01-04 2027 UPC, UMC Development Timeline Now Available

2022-11-21 IAPMO Seeks Technical Committee Members for 2027 UPC and UMC

2022-11-14 IAPMO Seeks Public Input on Manual of Recommended Practice for Toilet Room Design: All Gender / Health, Safety, Privacy and Security

2022-10-07 IAPMO Solicits Public Comments for 2023 WE•Stand, 2024 USHGC, USPSHTC

2022-09-30 IAPMO Seeks WE•Stand Direct Potable Water Reuse Task Group Members

2022-09-23 Report on Proposals (ROP) Toward Development of 2023 WE•Stand Now Available for Online Download

2022-09-20 IAPMO Seeks Standards Committee Members for Development of National Standards for the United States and Canada

2022-09-20 New Jersey Adopts 2021 National Standard Plumbing Code

2022-09-09 Report on Proposals (ROP) Toward Development of 2024 USHGC, USPSHTC Now Available for Online Download

2022-09-08 ASSE International Seeks Working Group Members for Development of National Standard ASSE 1378 for Point of Entry Anion Exchange – Nitrate Reduction Devices

2022-08-26 ASSE International Publishes New Listing Evaluation Criteria (LEC) for Legionella Reduction and Treatment Devices

2022-08-23 IAPMO Publishes UPC Private Sewage Disposal Systems as a Standalone Document

2022-08-12 Report on Comments Toward Development of 2024 UPC, UMC Now Available for Online Download

2022-07-27 IAPMO Seeks Technical Subcommittee Members for Development of National Standard IAPMO Z1117

2022-07-15 IAPMO Publishes American National Standards and Canadian National Standards on Press Fittings and Partitions

2022-07-15 IAPMO Advances Development of 2023 WE•Stand During Technical Committee Meetings

2022-07-15 IAPMO Advances Development of 2024 Solar, Hydronics and Geothermal Code and Swimming Pool, Spa and Hot Tub Code During Technical Committee Meetings

2022-07-13 IAPMO Makes Tentative Interim Amendment (TIA) Available for Public Comment

2022-07-06 Wisconsin Approves Water Demand Calculator as Alternate Standard for Sizing Water Supply Piping

2022-06-30 ASSE/IAPMO/ANSI Series 5000-2022 Now Available

2022-06-30 2022 California Plumbing Code, California Mechanical Code Now Available

2022-06-23 IAPMO Publishes Water Demand Calculator™ as Standalone Document

2022-06-03 IAPMO Advances Development of 2024 Uniform Codes During Technical Committee Meetings

2022-06-02 IAPMO and AWWA Seek Public Input on Manual of Recommended Practices for the Safe Closure and Reopening of Building Water Systems

2022-05-24 IAPMO Seeks Technical Subcommittee Members for Development of National Standard for District Ambient Temperature Loop (ATL) Distributed Energy Systems

2022-05-16 IAPMO WE•Stand Monograph Now Available

2022-05-16 IAPMO USHGC, USPSHTC Code Change Monographs Now Available

2022-05-12 National Standard Plumbing Code Public Hearing Set for Aug. 11

2022-05-11 IAPMO Forming Hydrogen Fuel Gas Piping Task Group

2018 Uniform Code Highlights

Not All Model Codes Are Created Equally

Model Codes Bring Simplicity, Order to Plumbing Engineer’s Work

How Stakeholders Can Effectively Participate in the Development of Codes and Standards

Standards and Model Codes: A Working Relationship

Circuit Venting Problem Solved: Methods, Connections and More

Plumbing Vent System in Multi-story Building

Fire and Smoke Dampers – The First Line of Defense

The Formation of PERC and the Drainline Carry Research Project

Working to Keep Building Water Systems Safe and Efficient – The Vital Role of the Plumbing Industry

Plumbing Prevention

 

FOLLOW US