Mississippi Code Title 41. Public Health § 41-67-9

(a) The existing individual on-site wastewater disposal system and all treated effluent is contained on the property of the generator;

(b) No evidence that any insufficiently treated effluent is leaving the property of the generator or has been seeping to the surface of the ground;

(c) Centralized wastewater treatment systems are not available;

(d) If a private water supply well is present, the well should be located at a higher elevation than the disposal system and is protected from surface contamination by a concrete slab of a thickness of at least four (4) inches extending at least two (2) feet in all directions from the well casing; and

(e) If an advanced treatment system is used, the property owner shall be required to contact an authorized representative of a certified manufacturer of the specific advanced treatment system to provide a continuous maintenance agreement or provide the property owner training to become a qualified homeowner maintenance provider.