What is a sand filter system?
Sand filter systems are similar in design as septic systems but differ in the area of filtration from standard septic systems. A sand filter system is used for existing residences with limited land availability. The process is also applicable to soils which will not allow the installation of a standard septic system. Sand filtration is achieved through the intermittent application of wastewater to a bed of granular material which is underdrained to collect and discharge the final treated wastewater. The process is highly efficient, yet requires a minimum of operation and maintenance. How the system works As with a septic system, all wastewater generated from the dwelling enters the septic tank where primary treatment occurs. The relatively clear wastewater exits the tank outlet and flows into the distribution box (D-box). Again, this evenly distributes the wastewater flow throughout the drainage field. The difference between a sand filter system and a septic system lies in the drainage
Related Questions
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