Sand Mound Septic System Diagram

In these instances an alternative to a conventional septic system must be used. The idea behind this system is that a sand mound must be used in areas where there is a shallow soil bed or a high seasonal water table.

Mound Septic System Diagram All About Septic Systems Familyeducation

Footing and roof drains must not be connected to the septic system.

Sand mound septic system diagram. A sand mound system is an on site sewage disposal system that is elevated above the natural soil surface in a suitable sand fill material figures 11 and 12. Produced by the anne arundel county department of health. This video explains what a mound septic system is how it works and how to properly maintain it.

Diy staff a mound septic system is a special septic system that places a sand mound over the area where wastewater is being drained into. Effluent from the septic tank flows to a pump chamber where it is pumped to the mound in prescribed doses. Wastes from homes are sent to the septic tank where the solid portion sinks to the bottom of the tank.

Septic tank effluent is pumped through the pipes in controlled doses to insure uniform distribution throughout the bed. A mound septic system is an alternative to the traditional drainage fields or leach fields used in most septic systems. Mound septic systems are considerably more expensive than conventional septics because they require more sophisticated construction.

Make sure inlet and outlet connections of both tanks are tightly sealed so groundwater cannot seep into the system otherwise the mound may be overloaded. The constructed sand mound contains a drainfield trench. Mound septic systems have an average cost between 10000 and 20000.

Wastes from homes are sent to the septic tank where the solid portion sinks to the bottom of the tank. A common solution is a sand mound septic system which replaces the standard field lines with a specially designed and constructed mound. In certain locations the soil will not adequately absorb the water being discharged by the septic tank.

The mound is a drainfield that is raised above the natural soil surface in a specific sand fill material. In situations where the soil conditions of a drainage field site are not conducive to wastewater treatment and draining a mound system can provide a solution. Crown backfill to a height of 6 inches over the tanks to allow for settling and to divert surface runoff.

Average cost of mound vs conventional septic systems. The cost of the electric pump and sand also contributes to the total price. The mound system includes a septic tank a dosing chamber and a mound.

Within the sand fill is a gravel filled bed with a network of small diameter pipes. Mound systems are an option in areas of shallow soil depth high groundwater or shallow bedrock. Mound septic system maintenance by.

Gravel filled absorption beds are constructed in the sand fill and effluent from a.

How The Septic System Works King County