Prefab septic tank 6015

A septic tank is a device designed to retain settling matters in domestic wastewater. The inter ministerial decree of May 6th 1996 admit to treat separately soils water and household wastewater, subject to a favorable opinion of the local authority where the tank will be located. After authorization, the tank volume must be equal to half the minimum volume withheld by the septic tank. The septic tank is just a part of the water treatment system. Also foresee a waste disposal system such as sand filter or zeolite solid two-tank filter (refer to standard XP P 16-603, ex DTU 64,1 available from AFNOR).