Drainage Fields

Drainage fields, more commonly called septic beds (or leech fields), are used to reintroduce the grey water (effluent), from the septic tank, into the surrounding environment. This is done through a series of perforated pipes through which the water flows and is absorbed into the ground. While the field may seem like the easiest part of the system to understand, it is the most critical and sensitive part of your septic system. Improper or infrequent septic tank maintenance, high water usage, overgrown vegetation, heavy vehicle traffic, poor yard drainage and age are some of the leading factors in field failures. Once the field starts to fail you can expect sewage backups into the house, septic tank overflows, and waste water exiting the top or end of the field and pooling in the yard.

Below is a picture of the drainage field in relation to the septic tank.

For a quick check of the field walk around the field and look to see if there are any small puddles of black water or sludge on the surface. Usually these puddles are accompanied by a smell of sewage, but not always. Poke your stick or rod into the ground a few inches to check how soft the ground is (this is best done on a dry day). If by doing this you cause water to come to surface or you get the scent of sewage you may have a problem with your field. If after doing the quick check of your field, you get unfavorable results or are just unsure about what you found, consult a professional, immediately. Normally townships and/or municipalities have inspectors that can assist you or direct you to the appropriate professionals. Normally you must obtain municipal approval/permits before starting any work on your septic field, consult your local offices.

For more information on septic tanks, click on the appropriate button on the left hand side of the page, or just click here.