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Old 06-15-2014, 12:46 AM  
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Default Plumbing Codes By State and Territory

This is a compilation listing the codes used in each state and territory of the US. Most of the list came from the forum, but I also found additional info from
There are two main plumbing codes used in the US: IPC (International Plumbing Code) (see also this link) and UPC (Uniform Plumbing Code) - 2009 version. It should be noted that some states use their own code but most are based on IPC or UPC precursors. There is also the NSPC (National Standard Plumbing Code) adopted by one state.

Alabama- IPC adopted by Local Governments
Alaska- UPC adopted at State level but IPC in use locally
Arizona- UPC adopted at State level but IPC in use locally
Arkansas- uses IPC
California- California Plumbing Code based on UPC (for pdf see this)
Colorado- uses IPC
Connecticut- IPC effective Statewide
D.C.- IPC effective in city
Delaware- IPC effective Statewide
Florida- IPC effective Statewide
Georgia- IPC effective Statewide (see
Guam- uses IPC
Hawaii- uses UPC
Idaho- uses IPC
Illinois- Develops their own code but IPC adopted by Local Governments
Indiana- as of 2012 it uses IPC second printing)
Iowa- IPC adopted by Local Governments but UPC adopted statewide
Kansas- uses IPC
Kentucky- Kentucky State Plumbing Code based on IPC precursor
Louisiana- uses Louisiana State Plumbing Code based on IPC precursor
Maine- IPC adopted by Local Governments
Maryland- uses IPC
Massachusetts- uses UPC , 248 CMR 10.00.
Michigan- IPC effective Statewide
Minnesota- uses Minnesota Plumbing Code (link is to 2012 version)
Mississippi- IPC adopted by Local Governments
Missouri- uses UPC
Montana- uses UPC
Nebraska- uses IPC
Nevada- uses IPC
New Hampshire- IPC effective Statewide
New Jersey- uses NSPC
New Mexico- uses the New Mexico Plumbing Code based on UPC
New York- IPC effective Statewide
North Carolina- IPC effective Statewide
North Dakota- uses IPC
Ohio- IPC effective Statewide
Oklahoma- IPC effective Statewide
Oregon- uses the Oregon Specialty Plumbing Code based on UPC
Pennsylvania- adopted IPC
Puerto Rico- IPC effective Statewide
Rhode Island- IPC effective Statewide
South Carolina- IPC effective Statewide
South Dakota- uses UPC
Tennessee- IPC effective Statewide
Texas- IPC at State but Austin, Houston, San Antonio use UPC . The Texas State Board of Plumbing Examiners recognizes the 2006 editions of the UPC, IPC, & IFGC which means each city or town in the state can either adopt the UPC or IPC/IFGC regardless of edition.
Utah- IPC effective Statewide
Vermont- uses 1990 BOCA (which is now under IPC )
Virgin Islands- uses UPC
Virginia- IPC effective Statewide
Washington- uses UPC (Uniform Plumbing Code 2012-Washington)
West Virginia- IPC effective Statewide
Wisconsin- uses Wisconsin Statutes Comm 81-87
Wyoming- Both IPC & UPC used by Local Governments

Changes to UPC Plumbing Code in 2012.
IPC from 1998
Free Plumbing Code E-Books

If anyone has any amendments, corrections, updated links, or additional info; please share. Hopefully this will help people to at least get an idea of what the codes are where they live. I tried to color code it to make it easier to differentiate.

Last edited by zannej; 06-15-2014 at 01:00 AM.
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