Sketch of a Recirculating Sand Media Filter System - EPA Septic Media Filter Capacity & Maintenance

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This document discusses the design capacity and maintenance of septic media filter systems.Media filter septic systems use a conventional septic tank followed by any of several methods to further filter and treat septic effluent before it is discharged to the soil, soil surface, or waterway.

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Septic Media Filter System Capacity

A typical media filter system is designed using a flow of 50 to 65 gallons per day per occupant of the building served by the system

. This number, cited by several authors including Jantrania, Minnis, and Kahn, Allen, and Jones, is less than other total wastewater load estimates but is considered by these authors to be realistic and is consistent with a number of studies performed on typical wastewater flow rates and quantities.

Septic Media Filter Maintenance

The system design maintenance required of the media filter system as well as its operating characteristics vary considerably depending on the media selected, with open cell foam and textiles providing higher gallons per day loading ability than peat and other media.

"Maintenance" in this case will refer to inspection of the media bed to determine when the media needs to be cleaned or replaced.

Some septic media systems, such as sand filter septic beds, are raked or agitated rather than replaced, but ultimately all filter systems will become clogged and face media replacement.

Septic filter media maintenance and replacement cost should be factored into estimates of alterative septic system costs when comparing alternative septic system designs.

Watch out: some septic system designs use fragile media or media filters for which service should be performed only by properly trained or certified septic service companies. Failure to properly protect media or filters from damage during septic tank pumping or cleaning can cause costly damage to the system and may prevent its proper operation.
See BAT MEDIA SEPTIC PLANTS and the owners' manual provided by Jet Inc. for that system design.

Septic Media Filter System Articles


Continue reading at SEPTIC MEDIA FILTER SOURCE LIST or select a topic from closely-related articles below, or see our complete INDEX to RELATED ARTICLES below.

Or see FILTERS SEPTIC & GREYWATER for an explanation of septic filter devices for tanks and drywells



Or see septic filter products listed at SEPTIC FILTER / GRAYWATER FILTER SOURCES

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SEPTIC MEDIA FILTER CAPACITY & MAINTENANCE at - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice.


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