Residential Mound Septic System Diagram

Sludge should be removed from the septic tank and pump chamber every 3 5 years.

Residential mound septic system diagram.

The constructed sand mound contains a drainfield trench. Provide the homeowner with a layout diagram of the septic system referenced to the home and lot boundaries. Mound sewage disposal systems in maryland. While a conventional septic system uses only the septic tank to separate solids fats and grease an aerobic treatment unit atu uses oxygen infusion for digestion rather than the anaerobic process.

A mound septic system requires more frequent inspections and pumping than a conventional system so these are additional costs to consider. Also mound systems require more frequent pumping and more monitoring and maintenance because of the added complexity. However the leach field the underground area where all of the sewage drainpipes are located will most likely require some treatment or perhaps replacement after about 15 to 20 years of service. If you have a mound system you will likely need to have it pumped out annually compared to a conventional system where you may only need the waste pumped out every two to three years.

The following information will help you understand your mound system and keep it operating safely at the lowest possible cost. There are conventional septic systems and then there are the more complex aerobic septic systems. The pump chamber and pump. The mound with its replacement area.

Depending on the system design and the local cost of sand and gravel a mound system can add 10 000 or more to the price of a conventional system often costing over 20 000 in some areas. A septic system is the most common method of sewage treatment for homes and businesses that are not connected to an area wide sewage system. How septic system works diagram 1. In its basic form a septic system consists of a septic tank where solids settle and decompose and a drainfield where liquid discharged from the tank is treated by bacteria in the soil.

A septic system is reasonably maintenance free. The middle liquid layer effluent then exits the tank and into the drainfield. Effluent from the septic tank flows to a pump chamber where it is pumped to the mound in prescribed doses. A typical mound system has 3 working parts.

This will enable location of the tanks and absorption field for future maintenance. Following a few simple rules like not using too much water and not. Inside the septic tank. Larger sand mound systems and systems receiving non domestic sewage may require more detailed soil hydrogeologic.

The manual has been prepared for use in department sponsored training programs and applies to small residential systems with five bedrooms or less. The difference being in a word.