Rule 15-18-77-3.1.10 - Procedures and Protocol1. Once all required information is submitted, the Division of On-site Wastewater shall complete the review of the development or request additional information within thirty calendar days. 2. The review of the proposed project for determination of the requirement for a feasibility study will be made utilizing the steps outlined in a flow chart. 3. Subdivisions will be considered feasible for central collection, if the cost of a central system does not exceed 150 percent of the aggregate cost of an individual on-site wastewater disposal system on each lot. 15 Miss. Code. R. 18-77-3.1.10