Above Ground Septic Drain Field

Placing the drain field leach field on undisturbed soil is a standard specification for conventional septic systems and many alternative systems such as mounds.

Above ground septic drain field.

Effluent flows from the septic tank to a pump chamber. When water sits in the drain lines for too long a slimy bacterial coating forms along the walls of the trench. So when the household overloads the septic system by using too much water the lines are never allowed to dry out. Avoid an above ground pool which directs surface runoff onto a septic field.

This basically prevents proper drainage of wastewater. With over 85 000 septic systems and drain fields in king county and an estimated 78 000 septic systems and drain fields in snohomish county many homeowners are unaware of the necessary maintenance items that may come along with owning a septic system. Sand filter systems can be constructed above or below ground. In areas with high water tables the leach field is built above ground.

That includes the actual septic tank all pipes and the drain field for instance if you have a tree that will one day be 20 feet high plant it at least 20 feet away from all components. Planning a septic field garden. It is our primary goal to provide superior septic service at an affordable price. All of the parts of this carefully tuned system must be functioning properly or else the result is a mess and a costly one.

It is then pumped to the sand filter. The assumption is that the soil under and around the drain field will absorb filter and provide the final treatment of the effluent as it flows through the gravel trenches of. Wastewater flows through pipes at the top of the tank leading into above ground drain fields such as a mound drain field where the wastewater is naturally broken down into the soil. An above ground septic system also known as a sand mound septic system is used for the on site treatment of sewage when site conditions are not suitable for installing a conventional septic system due to the increased risk of the system failing.

Step 1 install a 2 inch schedule 40 pvc pipe from the septic tank system. You do not want roots penetrating the perforations and gumming up the works. Locally owned and family operated we serve both snohomish and king counties for all your on site septic and sewer needs. It is primarily the drain field pipes that you have to worry about when planting around septic tanks.

If the pool is above ground it needs to be constructed so as to not direct surface or subsurface runoff towards the mound where it could cause flooding of the septic field and located so that it will not trap surface runoff or pool discharge against the mound. Some locations experience elevated water tables during spring rains but they return to normal during the rest of the year. Effluent is pumped under low pressure through the pipes at the top of the filter.