Plumbing Codes

Since the plumbing in any private or public building is a part of the community water and sewage disposal system, it is vital that such installation not is left to the discretion of unskilled and/or irresponsible individuals. The establishment of sound code provisions protects public health and safety.

A plumbing or sanitation code is not a plumber's code. It is rather a set of rules and regulations imposed by cities, counties, and states on anyone who undertakes any work involving the installation of drinking water, sewer or toilet facilities in homes, offices, factories, schools, stores, restaurants, nursing homes, prisons and hospitals.

It has been established by scientific evidence that improper plumbing can result in:

  • the introduction of pathogenic organisms into the potable water supply.
  • the escape of toxic gases into the environment.
  • potentially lethal disease and epidemic.

The Illinois Department of Public Health is required by State Law to promulgate and publish an Illinois Plumbing Code. The State of Illinois Plumbing Code is the minimum standard in Illinois. Not only does it regulate the design of plumbing systems, the materials to be used in such systems, and the construction and installation methods for plumbing systems, it also provides a guide for the minimum number of plumbing fixtures required in various types of buildings.

The City of Chicago has its own plumbing code. Many municipalities with home rule powers have adopted rules and regulations for plumbing systems which are more stringent that the Illinois Plumbing Code.

The Illinois Plumbing Code establishes minimum requirements for plumbing products. The Illinois Department of Public Health, however, has been unsuccessful in keeping plumbing products not meeting code out of retail establishments in the state. Should you undertake any plumbing repairs in your home, please make certain that the products you purchase and install meet minimum code standards.

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The Plumbing Contractors
Association of Greater Chicago
603 Rogers Street, Suite 2 Downers Grove, Illinois 60515
312-563-9526 | Email


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