Save the Date for Residuals and Biosolids 2023 Conference May 16-19, 2023 in Charlotte, NC.


WEF is excited to annouce the dates for the 2023 conference which will be co-located with the Odors and Air Pollutants Conference.  More information about the Call for Abstracts should be coming by early Fall.  Check back for more details soon.


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




This conference is held by the Water Environment Federation in cooperation with North Carolina One Water.


More information about the upcoming Residuals and Biosolids Conference 2023 and the Call for Abstracts is coming soon!


To see more about what was offered in Columbus in 2022, click to view the program or exhibition hall floor plan below.




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


Registration for the Residuals and Biosolids Conference 2022 is now closed.  More information on 2023 coming soon.


View the 2022 conference rates and details below.

Optional Events: Workshop and Facility Tour Fees

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

Member Rate Qualifications:

In order to qualify for member rates, you must have a current individual WEF membership, valid through the date of the event you are attending. 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 information on membership, check here.  

If you are not a WEF 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.

Policies, Terms and Conditions:  

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


More information about the 2023 hotel location coming soon.

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.