https://wqa.org/events/illinois-non-transient-non-community-public-water-system-operator-workshop-exam/
Illinois Non-Transient Non-Community Public Water System Operator Workshop & Exam - Water Quality...
May 5, 2026 - The Water Quality Association, in conjunction with the Illinois Department of Public Health, is offering training over 5 days followed by an online exam so...
public water systemillinoisnontransientcommunity