Indiana Administrative Code
Title 327 - WATER POLLUTION CONTROL DIVISION
Article 8 - PUBLIC WATER SUPPLY
Rule 12 - Classification of Community Public Water System and Nontransient Noncommunity Public Water System Treatment Plants and Distribution Systems; Examination and Certification of Operators
Section 12-0.5 - Applicability

(1) a certified operator who works at;

(2) a person endeavoring to become a certified operator at; and

(3) the owner of; a community public water system, nontransient noncommunity public water system, transient noncommunity public water system using surface water or ground water under the direct influence of surface water, or a transient noncommunity public water system that requires complex treatment.