AN ORDINANCE amending Ordinance no. 10113-2006, otherwise known as the water refilling and private water system regulatory ordinance of Cagayan de Oro City, so as to require the plant operators or persons directly involved in the management and supervision of water refilling stations in the city to undergo the forty-hour basic certification course on ecology, hydrology, microbiology and parasitology, water demand and treatment, sanitary chemistry, plumbing, public health engineering, hazard analysis critical control point and environmental laws conducted by the department of health (doh) or its accredited professional organization or institution, and for other purposes