Mississippi Administrative Code
Title 15 - Mississippi Department of Health
Part 20 - Bureau of Public Water Supply
Subpart 72 - Public Water Supply
Chapter 2 - REGULATION GOVERNING THE CERTIFICATION OF MUNICIPAL AND DOMESTIC WATER SYSTEM OPERATORS
Subchapter 7 - Record Keeping, Reporting and Job Performance
Rule 15-20-72-2.7.2 - Job Performance

Each certified waterworks operator shall perform, under the direction of public water system's legally responsible official(s), the necessary duties and actions to ensure compliance for the public water system with the Federal and State Safe Drinking Water Acts (SDWA) as outlined in the current edition of the Public Water System Operations Manual published by the Bureau of Public Water Supply. This manual presents the minimum duties and responsibilities for the operation of a public water supply. Bureau certified waterworks operators and employees under their supervision shall perform operational duties exercising reasonable care and ethical judgement to assist the public water systems in maintaining compliance with the SDWA and to ensure that water systems operate safely and in perpetuity.

Miss. Code Ann. § 21-27-207