What is an on-lot sewage system?
If you have recently moved from an urban environment, you are probably unfamiliar with the on-lot sewage system. In highly developed areas the usual method of sewage disposal is a public sewage system. The wastes from your home move through a pipe out of your house to a common sewer line which ultimately is treated at a municipal sewage treatment plant. In most cases, the treated waste is then discharged into a nearby creek or river. In Chester County, less than 40% of the residents are served by such public sewerage facilities. The other 60% of Chester County residents have onlot systems. What is a Septic Tank? The septic tank is a watertight chamber constructed of a durable material which is not subject to corrosion or decay. Most septic tanks used in Chester County have one compartment, but some are designed with two compartments. The two compartment tanks, or two single compartment tanks in series is now required and provides better settling of the solids. One of the most important
