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Septic System Components
Source
Septic Tank
Soil Absorption System
Septic System Components

On-site septic systems are designed to be permanent systems to treat and dispose of wastewater for structures and geographic areas not served by public sewer. The system treats and disposes of sewage on or near the site where the residential sewage is generated. The entire system consists of the source, septic tank, and soil absorption system (or drain field), which includes a designated area for replacement.

Source

The source is the plumbing system in which wastewater (or water containing human waste, nutrients, dirt, and other contaminants) is collected and sent to the septic tank. This includes water used in laundry, dishwashing, bathing, and toilets. Oregon law requires all wastewater to be treated. However, water from basement drainage sump pumps, hot tubs, swimming pools, water softeners, and roof drains should not enter the septic system; large volumes of ‘clean water’ will overload the system.

Septic Tank

The septic tank is a buried, watertight container constructed of concrete, steel, fiberglass, or polyethylene. This is where the majority of contaminants from the wastewater are removed and is home to the settling process (separation of liquids from the solids). The most common residential tank is either a 1,000 gallon, single-compartment or 1,500 gallon, two-compartment tank. The two-compartment tank is used (and recommended) most frequently since it is more efficient in treating the wastewater. The settling process occurs twice in a two-compartment tank (once in each compartment) thus, it needs to be pumped less often.

Soil Absorption System

The Soil Absorption System (or drain field) is typically referred to as final treatment. SAS is a grid work of pipes that evenly distributes the effluent over the natural soil. A distribution box or drop boxes (depending on the system) is necessary to more evenly distribute the effluent.  

Septic Failure
Warning Signs
Septic Failure

Septic system failure can be chemical, biological, or physical and often occurs in sequence. When certain toxic material enters the septic tank it can kill the beneficial bacteria inside causing insufficient digestion of the solids in the tank. Thus solids are forced into the drain lines causing blocking and destroying the soils ability to breakdown and absorb effluent.

Warning Signs
  • Greener grass over the SAS area
  • Ground around septic tank or SAS is soggy or sponge like
  • Toilet, showers or sinks take longer than usual to drain or back up
  • Sewage odors
  • Gray or black liquid surfacing in yard or backing up in drains in house
  • Significant algae growth in or around nearby lakes, ponds, or bodies of water
  • Pools of water or soggy area, foul odors, and/or dark gray or black soils in area of SAS
  • Water surfaces over drain lines during heavy rain or when doing laundry
  • Sewage backs up into the lowest drain in the house (typically the bathtub)
  • Drains gurgle or drain slow even after checking for clogs

SEPTIC SERVICES

  • System Installation and Repair
  • Emergency Services
  • Existing System Evaluations
  • Service Contracts
  • Septic Tank Pumping
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CONTACT INFO

PO BOX 494 ELMIRA, OR 97437

(541)525-2814

contact@a-o-s-s.com

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