Who We Are:
The Illinois Water Environment Association is a community of dedicated professionals working to advance fundamental knowledge of the Illinois water environment. Its members are engineers, scientists, plant operators, manufacturer’s reps and students.
Click HERE to learn more.
Attend our upcoming events:
Thursday, September 10
Nutrient Removal and Recovery Committee: Annual Workshop
Sunday, September 27
2026 CSWEA/IWEA WEFTEC Reception
Wednesday, October 7
Sustainability Committee Webinar: Biogas Utilization with Renewable Natural Gas
Thursday, October 15
Women of Water Conference
Latest News:
Use the links below to stay up-to-date with IWEA's latest news.
Stay up-to-date by checking out the August 2026 eNews.
See the Spring 2026 Clarifier, including an IWPC recap!
Our 2026 Sponsors:
MISSION KEEPER       |
Click HERE to learn about benefits associated with IWEA sponsorship.
Upcoming Events
Nutrient Removal and Recovery Committee: Annual Workshop
WEFTEC 2026
2026 CSWEA/IWEA WEFTEC Reception
