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:
September 4
Nutrient Removal and Recovery Committee Workshop
September 16-19
IAWA Annual Conference
September 25
Pretreatment Coordinators Workshop
September 27 - October 1
WEFTEC 2025 Chicago
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 2025 eNews.
See the Spring 2025 Clarifier, including a full IWPC recap.
Upcoming Events
Sep
16
IAWA Annual Conference
See Illinois Association of Wastewater Agencies :: Home (ilwast...
Sep
25
IWEA Pretreatment Coordinators Workshop
IWEA Pretreatment Coordinators Workshop
September 25, 2025
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September 25, 2025
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Sep
27