National Standards - Websites and Hyperlinks
Below are links to organizations that are responsible for national standards and specifications. While they are not universally adopted, many cities, and counties utilize the standards from these organizations as a baseline for all public works and related development and construction. If you have want us to include other organizations or national standards, please email us.

US Environmental Protection Agency (EPA)

American Water Works Association (AWWA)

International Association of Plumbing and Mechanical Officials (IAPMO) -
Downlad Center
- Uniform Plumbing Code
- Uniform Mechanical Code
- Uniform Swimming Pool, Spa & Hot Tub Code
- Uniform Solar Energy Code

National Fire Protection Association (NFPA)
Codes and Standards
American Public Works Association (APWA)
Official Website
American Association Of State Highway And Transportation Officials (AASHTO)
Official Website

Federal Highway Administration (FHWA)
Official Website
Again, please let us know if we are missing something you would like us to include in the future.