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

Published

March 17, 2008

| Health Department

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.

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