that may indicate septic system failure include:
Ponded water or damp places in your yard, foul odors, and/or
dark gray or black color to the soils indicate septic drainfield
failure. These signs are particularly noticeable at the bottom
of slopes draining away from the drainfield, and in drainage
Areas where water comes to the surface, particularly after
heavy rains or during activities which increase wastewater
production such as doing the laundry.
Toilets that flush slowly or drains that back up.
notice any of these signs, contact your local health department
or a septic system pumping service for information and assistance.
Some septic tank pumpers provide free inspection of your septic
tank provided you uncover the clean-out opening.