TITLE 35: ENVIRONMENTAL PROTECTION
SUBTITLE F: PUBLIC WATER SUPPLIES
CHAPTER II: ENVIRONMENTAL PROTECTION AGENCY
PART 681 WATER SUPPLY OPERATOR CERTIFICATION

SUBPART A: GENERAL

SUBPART B: CERTIFIED OPERATOR CLASSIFICATIONS AND REQUIREMENT

SUBPART C: EXAMINATION

SUBPART D: WATER SUPPLY OPERATOR IN TRAINING

SUBPART E: CERTIFIED OPERATOR

SUBPART F: RECIPROCITY

SUBPART G: SANCTIONS

SUBPART H: CERTIFICATE RENEWAL, RESTORATION AND REQUIRED TRAINING

SUBPART I: GRANDPARENTING

SUBPART J: CONTRACTUAL OPERATION

AUTHORITY: Implementing and authorized by Section 10 of the Public Water Supply Operations Act [415 ILCS 45/10].
SOURCE: Adopted at 38 Ill. Reg. 7114, effective April 1, 2014; amended at 41 Ill. Reg. 14182, effective November 13, 2017; amended at 49 Ill. Reg. 16217, effective December 4, 2025.