Rule 15-18-77-5.10.2 - Construction1. There shall be maintained a minimum of two feet separation between the bottom of the privy vault and indicators of seasonal water (gray mottles).2. The privy shall be a minimum of 100 feet, downgrade, from any potable water source.3. The privy shall be located 100 feet from sensitive waters.4. The privy shall be constructed to prevent surface water from running into the pit.5. When the pit becomes filled to within sixteen inches of the ground surface, a new pit shall be excavated and the old pit shall be backfilled to the surface.15 Miss. Code. R. 18-77-5.10.2