How close can a proposed house addition be from a septic system?

Answer
– A full foundation must be 10 feet from the septic tank and 20 feet from the leaching area. – A slab foundation such as a garage must be 10 feet from the septic tank and 10 feet from the leaching area. – Concrete columns for a deck must be 5 feet from the leaching area and not disturb the septic system.

Answer

– A full foundation must be 10 feet from the septic tank and 20 feet from the leaching area.

– A slab foundation such as a garage must be 10 feet from the septic tank and 10 feet from the leaching area.

– Concrete columns for a deck must be 5 feet from the leaching area and not disturb the septic system.