OOWA Registered Professional Program

The Ontario Onsite Wastewater Association (OOWA) is a provincial not-for-profit association dedicated to promoting the benefit and value of onsite and decentralized wastewater management through education, improved standards of practice, and advocacy for sound policies across the province.

OOWA offers a registered professional program (RPP) to address the needs of ongoing training and continuing education demands for OOWA members. This program provides recognition for professional development and training for OOWA members. There are 8 defined OOWA Registered Professional designations:

1. Wastewater Service Technician
2. Onsite Designer
3. Onsite Installer
4. Private Inspector
5. Regulatory Inspector
6. Residuals Transporter
7. Project & Administration Professional
8. Technical Sales Consultant

An RPP designation shows that an individual is has the most up to date knowledge and training and meets the standards set by OOWA.

Follow this link to learn more about the Registered Professional Designation.


The ORWC holds a strong education partnership with OOWA. Courses offered by ORWC can provide the required aptitudes for many of the RPP designations. Click here to be directed to our courses and workshops page.

If there is a course that you require for your chosen RPP designation please contact Bassim Abbassi to let him know you want to take the course:  519-824-4120 Ext. 52040 or via email at babbassi@uoguelph.ca.  Note that these extra courses will only run out of our Guelph location. To run a course there is a minimum number of registrants required so be sure recruit your coworkers and colleagues to make sure the course happens!