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This conference is jointly hosted by the Water Environment Federation and International Water Association, in cooperation with North Carolina One Water and the IWA USA National Committee.

Now announcing the technical program for the 2023 conference! Click the button below to view or download the program.

View the Program

The Call for Technology Spotlight Presentations is Now Open!
This exhibitor exclusive offer ends February 9 at 11:59pm Eastern.


WEF is excited to announce the dates for the 2023 conference which will be co-located with the Odors and Air Pollutants Conference.  


To see more about what was offered in Columbus in 2022, click to view the program below.  VIEW THE 2022 PROGRAM

Call for Technology Spotlight

The Call for Technology Spotlight Presentations is Now Open!
This exhibitor exclusive offer ends February 9 at 11:59pm Eastern.


Download the Call for Presentations

These sessions bring attendees directly to exhibitor booths for topic-focused discussions that allow presenters to showcase products and services in technical and educational presentations combined with equipment or hands-on visuals. This session is open to any exhibitor who can address the subject matter.

Presenters are expected to give up to three 20-minute presentations back-to back simultaneously with a max 4 other exhibitors.


Now announcing the technical program for the 2023 conference!
WEF and IWA are pleased to announce 23 exciting sessions, 5 workshops, and a facility tour to be presented in Charlotte.

Click the button below to view or download the program:

View the Program

For more information about submitting content and speaking at a WEF Education & Training Event, click the link below.




Questions? Please contact:
WEF Education & Training
[email protected]
703.684.2400 x7450


Registration for WEF/IWA Residuals and Biosolids will open in February 2023.

View the 2023 conference rates and details below or click here to download the rates.

Registration Fee Includes:
Access to Technical Sessions, networking events, and digital conference proceedings. Workshops are not included with conference registration.

Member Rate Qualifications:

To qualify for member rates, you must have a current individual WEF or IWA membership, valid through the event date. You should have your own individual member ID number. Though your institution may be a member of WEF, you must maintain an individual WEF membership to be eligible to receive the member rate.  For more membership information, check here.  

If you are not a member or your membership lapses and is not renewed by the time of the event, you will either have to join/renew your membership or pay the non-member rate for the event.

Students that are not a member of WEF must pay the student nonmember rate and provide proof of student status.

Online registration payments are by credit card only (Visa, Mastercard, or American Express). 

Important Note:
All attendees must have a unique email address registered. If you are registering for someone else, please be sure to enter their email address.

If you have questions, please contact a WEF Registration team member.  [email protected]


2023 Conference Headquarter Hotel: Westin Charlotte

2023 Conference Rate: $239.00/night plus occupancy taxes and fees

Reservations through the official conference room block will open here in 2023.

Exhibition & Sponsorship

Interested in 2023 exhibit and sponsorship information?
Let us know and we will alert you as soon as information is available!

Request information

Continuing Education

WEF provides an easy way for conference participants to receive continuing education (CE) credits through reliable credit tracking, anytime access to CE credit documentation and archived record keeping for state reporting. 

Access to Continuing Education (CE) Credits for conference registrants will be available within 4 weeks after the event.  The direct link will be provided on this page and in email after the conference.


For Professional Engineers: WEF education and training events are accepted in most U.S. state licensing boards. WEF maintains Provider Status with several state engineering boards, including the Florida Board of Professional Engineers (FBPE) and the New York State Education Department (NYSED).

For Professional Operators: WEF is pursuing CE credit pre-approval with many state operator licensing boards for Residuals and Biosolids Conference 2022, including: CA, CO, FL, GA, IL, IN, MI, MO, NJ, NY, OH, OK, OR, PA, TX, VA, WA, and WI.

If you are a licensed Operator from a state that is not represented in this list above – Please contact [email protected] for assistance.

States’ licensing boards encourage licensees to familiarize themselves with credit policies and requirements, and to verify which events are approved or accepted in their state(s).


These details apply to the Residuals and Biosolids Conference 2022– for more information regarding WEF’s CE Credit Program please visit the WEF Education homepage.



     Questions about CE credits at WEF events?  Contact us at [email protected] and 1-800-666-0206.