33 Miss. Code. R. 212-3.1
An authorized employee or agent of the District, utilizing written guidelines published by the Mississippi State Department of Health, shall conduct surveys and on-site visits as necessary to locate existing cross connections. Single family dwellings and multi-family dwellings designed to house no more than eight families shall not be included in this survey unless there is reason to believe a cross connection exists. A survey of the water system shall be completed by August 8, 1999, for water systems within the Reservoir Project Area serving a population less than 3300 customers, and by August 8, 2000, for water systems serving a population of 3300 or more customers. Upon completion of this survey, the General Manager of the District shall certify to the Mississippi State Department of Health, on forms provided by the Department of Health, that the required survey has been properly performed and completed in accordance with the written guidelines published by the Department of Health.
33 Miss. Code. R. 212-3.1