There are two major factors involved in adding a new system
or repairing or replacing an existing one. The first is the
cost; the second is the inconvenience of possibly not being able
to use the existing system while a replacement is being
installed. For new construction, the second factor is not
usually a major consideration.
Repair or replacement cost will obviously depend on what has
to be repaired and/or replaced. If the repair does not involve
the leach field, the cost may be high, but it will probably not
be exorbitant. The lease expensive repair is in the order of
several hundred dollars. If only a septic tank needs to be
replaced - and the leach field is still undamaged - the cost
will be in the order of about $2-3K. If a new leach field is
needed, you should plan on spending an additional $3-4K for a
typical home. If there is not sufficient room for a new leach
field, a smaller more advanced system may be required. Such an
effort can easily exceed $10K.
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