To pass the plumbing exam in your state, you need to know what plumbing code your state has adopted. The plumbing codes adopted vary by state - see our list below. For state by state complete plumbing license exam information, visit our State Plumbing License Exam Guides.
- Alabama uses the International Plumbing Code (IPC) established by the International Code Council.
- Alaska uses the Uniform Plumbing Code (UPC) established by the International Association of Plumbing and Mechanical Officials.
- Arizona has adopted the International Plumbing Code (IPC) developed by the International Code Council.
- Arkansas uses the International Plumbing Code (IPC) established by the International Code Council.
- The California Plumbing Code is based on the Uniform Plumbing Code (UPC) developed by the international Association of Plumbing and Mechanical Officials.
- Colorado uses the International Plumbing Code (IPC) established by the International Code Council.
- Connecticut uses the International Plumbing Code (IPC) established by the International Code Council.
- Delaware uses the International Plumbing Code (IPC) established by the International Code Council.
- Florida has adopted the International Plumbing Code (IPC) developed by the International Code Council.
- Georgia has adopted the International Plumbing Code (IPC) developed by the International Code Council.
- Hawaii uses the Uniform Plumbing Code (UPC).
- Idaho uses the Uniform Plumbing Code (UPC).
- Illinois uses the Illinois Plumbing Code.
- Indiana uses the Indiana Plumbing Code and adopted the Uniform Plumbing Code (UPC) developed by the International Association of Plumbing and Mechanical Officials.
- Iowa has adopted the Uniform Plumbing Code (UPC) and some local governments use the International Plumbing Code (IPC).
- Kansas has adopted the International Plumbing Code (IPC) established by the International Code Council.
- Kentucky uses the Kentucky State Plumbing Code using as minimum standards the basic principles of the National Plumbing Code Coordinating Committee.
- Louisiana uses the Louisiana State Plumbing Code.
- Maine has adopted the Maine Internal Plumbing Code.
- Maryland has adopted the International Plumbing Code (IPC) developed by the International Code Council and local municipalities may use different editions.
- Massachusetts uses the Uniform State Plumbing Code, 248 CMR 10.00.
- Michigan has adopted the International Plumbing Code (IPC) developed by the International Code Council.
- Minnesota uses the Minnesota Plumbing Code.
- Mississippi uses the International Plumbing Code (IPC) established by the International Code Council.
- Missouri has adopted the Uniform Plumbing Code (UPC) developed by the International Association of Plumbing and Mechanical Officials.
- Montana uses the Uniform Plumbing Code (UPC) established by the International Association of Plumbing and Mechanical Officials.
- Nebraska's local municipalities have adopted the International Plumbing Code established by the International Code Council.
- Nevada's local municipalities have adopted the International Plumbing Code (IPC) or the Uniform Plumbing Code (UPC).
- New Hampshire uses the International Plumbing Code (IPC) established by the International Code Council.
- New Jersey uses the National Standard Plumbing Code (NSPC).
- New Mexico uses the New Mexico Plumbing Code based on the Uniform Plumbing Code (UPC) published by the International Association of Plumbing and Mechanical Officials.
- New York has adopted the International Plumbing Code (IPC) developed by the International Code Council.
- North Carolina has adopted the International Plumbing Code (IPC) developed by the International Code Council.
- North Dakota's local municipalities have adopted the International Plumbing Code (IPC) established by the International Code Council.
- Ohio has adopted the International Plumbing Code (IPC) developed by the International Code Council.
- Oklahoma uses the International Plumbing Code (IPC) established by the International Code Council.
- Oregon uses the Oregon Specialty Plumbing Code based on the Uniform Plumbing Code (UPC) of the International Association of Plumbing and Mechanical Officials.
- Pennsylvania has adopted the International Plumbing Code (IPC) developed by the International Code Council.
- Rhode Island uses the International Plumbing Code (IPC) established by the International Code Council.
- South Carolina has adopted the International Plumbing Code (IPC) developed by the International Code Council.
- South Dakota uses the Uniform Plumbing Code (UPC) of the International Association of Plumbing and Mechanical Officials.
- Tennessee uses the International Plumbing Code (IPC) established by the International Code Council as adopted by local municipalities.
- Texas has adopted the International Plumbing Code (IPC) developed by the International Code Council.
- Utah has adopted the International Plumbing Code (IPC) established by the International Code Council.
- Vermont uses the International Plumbing Code (IPC) established by the International Code Council.
- Virginia has adopted the International Plumbing Code (IPC) developed by the International Code Council.
- Washington uses the Uniform Plumbing Code (UPC) of the International Association of Plumbing and Mechanical Officials.
- West Virginia has adopted the International Plumbing Code (IPC) developed by the International Code Council.
- Wisconsin uses Wisconsin Statues, Comm 81-87, Plumbing Code.
- Wyoming's local municipalities have adopted the International Plumbing Code (IPC) developed by the International Code Council.
