11975 Old Yale Rd, Surrey, BC

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Eljen® The Modular Leach Field Sewage Treatment System

Canwest Tanks is the Distributer for Eljen in BC, Alberta, and Saskatchewan. The Eljen GSF® is primarily used for leach fields where advanced treatment is needed to meet environmental needs. It is used in trench, bed, and mound designs.
Eljen® The Modular Leach Field Sewage Treatment System

THE ELJEN GSF® A42

The Eljen GSF® (4-feet long by 2-feet wide by 7-inches high) fits in standard trenches and can be configured to fit any infiltration area shape where site restraints and hydraulic needs are a prime consideration.

Engineered For Superior Strength

  • Provides advanced treatment in 50% less space than standard untreated systems
  • Proven reliable performance eliminates the need for complicated maintenance
  • Smaller size and streamlined design significantly reduces overall system costs
  • Long-term leaching capacity is 2 to 3 times that of similar systems
    The only system that pre-treats leach field effluent with a patented two-stage biomat filtration process

Made from lightweight recycled material, the GSF® leach field is engineered for superior strength. The Eljen GSF®, with its pre-fabricated modular units comprised of geotextile fabric and cuspated spacer cores, provides an alternative to conventional stone and pipe or chamber leaching systems.

Substantial effluent pre-treatment occurs within the two-stage biomat which develops on the 65-square feet of geotextile fabric, which is 7 times the area of soil soil interface.

This internal passive pre-treatment protects both the soil long-term acceptance rate (LTAR) and groundwater quality while providing a reduced system footprint. At 7″ thick, the GSF provides the lowest product profile, thus reducing system finished grade.

Advantages Of The Eljen GSF® Leach Field

Advantages Of The Eljen Gsf® Leach Field

  • Pre-treatment of effluent via a two-stage biomat
  • Greater long-term leaching capacity maintained
  • Smaller area required than conventional systems
  • Has lower site impact and requires less off-site fill
  • Fabricated of lightweight recycled materials
  • Excellent documented long-term track record
  • 10-year warranty

Laboratory analysis of treated effluent extracted from below the GSF has confirmed Eljen’s claims of substantial effluent pre-treatment provided by the two-stage biomat at the geotextile fabric and cuspated core surfaces.

The GSF installed on a 6-inch layer of washed concrete sand provides secondary treatment for all types of sewage effluent.