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480.351.1725

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480.443.5923

The Secret to Your Septic Tank

At Paradise Valley Septic in Arizona, it’s no secret as to why we work so hard to properly install and maintain your septic tank systems, whether residential or commercial. A correctly installed and well maintained septic tank system means

your life is free from the stress of sewage problems, and the environment is free from the stress of unnecessary damage.  To clear away the scummy confusion, let’s clean the pipes and figure out exactly what a septic tank is, and how it works. 

What is a septic tank?

Septic tanks provide effective and long term treatment of water coming from your home or business, and work as private sewage treatment plants. They are composed of pipes leading into and out of the tank, the septic tank itself, and a drain field. With careful maintenance including regular pumping, septic tanks are an economical sewage solution that also help protect the environment by requiring less pipe installation.

How does a septic tank work?

To sum it up, waste water flows from your home or business into the tank, where the water is naturally decomposed and then released into the drainfield. To further explain the decomposition process of the wastewater, let’s imagine we are looking at a cross section of a septic tank.

The water has just made its way into the septic tank through a sewer pipe, and will settle in the tank until the waste and water separate with time. Waste such as oil and grease will float to the surface of the septic tank, creating scum, while solid waste heavier than water will fall to the bottom, creating sludge.

While bacteria naturally found in the waste are working to break the waste down, the partially clarified waste water that remains in the center of the tank is then filtered through a pipe into the drainfield area, also called a leachfield or disposal field. Oftentimes screens are used to ensure that no solid waste enters the drainfield area, and this solid waste is cleared out each time the septic tank system is pumped.

As the wastewater enters the drainfield, it is carefully distributed through a series of trenches, gravel and perforated pipes that allow the water to release slowly, with the gravel acting as filters.

Sources: http://www.epa.gov/owm/septic/pubs/homeowner_guide_long.pdf

http://home.howstuffworks.com/home-improvement/plumbing/sewer2.htm

http://www.doh.state.fl.us/chdcolumbia/septicworking.htm

http://www.nesc.wvu.edu/subpages/septic_defined.cfm

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