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Easy Access to Standards & Manuals

A comprehensive library of online technical content, envoi is the authoritative, go-to source for information on all things water. 

It replaces the AWWA Standards CD benefit of your organization membership, and provides access to 180+ current ANSI-Accredited Standards online.

180+ ANSI-Accredited Standards

AWWA Standards are consensus- documents created by volunteer committees and accredited by ANSI. They offer minimum requirement guidelines on all facets of water. 

Standards are available on envoi for AWWA Member Organizations and their employees. 

Learn more about standards
See a complete list of standards

Expert-Crafted Technical Reports

AWWA creates a variety of technical reports on the most important topics in water to provide you with the thought leadership and knowledge you need for your day-to-day work. 

Technical reports are available on envoi to all AWWA members. You will need a valid awwa.org login to access.

50+ Manuals of Practice

AWWA Manuals of Practice are consensus documents written and reviewed by expert volunteers. They provide strategies and steps for water system optimization. 
Learn more about manuals of practice

The complete set of Manuals is available for AWWA member organizations and their employees. It can be added to your envoi subscription – contact us for pricing and to purchase.

Historic AWWA Standards

Access all the historic versions of AWWA standards in one complete package as an invaluable add-on to you Current AWWA Standards subscription.

All historic standards are available for AWWA member organizations and their employees. It can be added to your envoi subscription – contact us for pricing and to purchase. Adding historic standards to your subscription allows you to use the redline feature so you can compare different versions of standards side by side.


New Content Available on envoi



M38 Electrodialysis and Electrodialysis Reversal



M73 Groundwater



AWWA B200-22 Sodium Chloride



AWWA C302-22 Reinforced Concrete Pressure Pipe

Work Smarter with Powerful Collaboration Tools on envoi

  •  Always have access the most recent version of a document
  • Set alerts to know when something is new or revised
  • Share notes and annotations with coworkers
  • Bookmark frequently visited documents
  • Link related documents together
  • Compare multiple versions to see what's changed
  • Track changes in active and historical versions
  • Download documents as PDFs for offline use

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