Member Login
Our Mission
The mission of the Indiana Industrial Operators Association, Inc. (IIOA), founded in 1995 is to serve professionals in wastewater
treatment, which benefits industry and society
through education, information, community
outreach and social involvement.
Membership is open to all wastewater professionals and
those who provide services, supplies, equipment and support to the industry.

Check your Hours on file with IDEM Scroll down to find your name. Please note there are 2 columns.ing 1
Check your Hours on file with IDEM Scroll down to find your name. Please note there are 2 columns.ing 1
Click Page to Preview
WITtec Program 2025.pdf
Click Page to Preview
WITtec Program 2025.pdf
WITtec Program 2025.pdf
Education
Education
The RIWP Masters course covers Treatment of Metal Wastestreams –Metal Hydroxide Precipitation, Cyanide Oxidation, Chromium Reduction; Using Dissolved Air Flotation to Remove FOG –Removal of emulsified dissolved dispersed fats oils and grease. Process description, chemistry involved, polymer application and troubleshooting; Discharge Monitoring Report Preparation, Instrument Calibration – pH ORP, Flow Meters and trouble shooting pH/ORP control systems, Surviving a Pretreatment Inspection, Advanced Polishing Processes including ion exchange, reverse osmosis, membrane filtration and carbon adsorption and the RIWP Master Exam.
Registered Industrial Wastewater
Registered Industrial Wastewater
Wastewater Safety
Wastewater Safety
Registered Industrial Wastewater
Registered Industrial Wastewater
Industrial Environmental Management
Industrial Environmental Management
Registered Industrial Wastewater
Registered Industrial Wastewater
Mentored
Wastewater
Course
Mentored
Wastewater
Course
Click through slider for education
Click through slider for education

Interested in making a new and exciting career move?
Interested in making a new and exciting career move?
Indiana Industrial Operators Association can help you find the right job for your career.
Indiana Industrial Operators Association can help you find the right job for your career.

New Books Required for Operator Exams
New Books Required for Operator Exams
Are you prepared? We can help!
Are you prepared? We can help!
Contact Us
Thank you for your message and we will be in touch shortly.