How to make a septic tank for villas with their hands

If the cottagers and could not dream about something more comfortable than the sewage in the form of pit latrines, today more and more lovers of country living think about the more modern variants.

Septic tanks for the garden is much better and more practical. That's just the acquisition and installation of such equipment can be quite expensive. Therefore, it is reasonable to consider the question of how to make a septic tank with their hands in the country. The device will quickly pay for itself, and for many years we can forget about the cleaning of the tanks, because the liquid part of streaming down the waste after cleaning the output from the septic tank into the soil.

If the scheme of septic tanks for cottages for two or three cameras, and to intensify the cleaning is expected with special biological additives, the maintenance of the septic tank will be as simple as possible. Similar to septic tanks for cottages without pumping can be operated for decades.

Requirements for septic tanks for cottages




Country all septic tanks must meet certain requirements:

  • The design of the septic tank is calculated based on the principle of multi-stage cleaning two or three chambers in series. First, the capacity of septic tanks for cottages is to collect the separate waste into fractions. Solid wastes sink to the bottom, and the liquid light fractions to the top. The water enters the second chamber where it is further purified from organic matter. In the filter well is a water purification and its subsequent withdrawal into the soil.
  • All the cameras except the one where the output effluent out, as leakproof as possible.



Location of septic tanks for cottages on the sitewhen Planning how to make a septic tank with their hands in the country, you need to calculate the location of the facility.






  • When placing septic tank distance from house to the standards shall not be less than five meters.
  • Road and Parking should be no closer than two meters.
  • But to carry the septic tank from the house too far, too wrong. It is easy to make mistakes in the calculation of the slope of the piping system. Typically, long pipelines are often clogged. So for every 15 metres, experts advise to equip the auditing wells.
The installation depth of the septic tankSeptic tanks for cottages digged taking into account the groundwater level and the average depth of soil freezing.

To the cleaning process was stable in all weather conditions a positive temperature. If a country design of a septic tank cannot be sunk below the level of freezing that often occurs when high groundwater, we can not do without careful insulation using:

  • the foam crumbs;
  • sheet of foamed polystyrene;
  • expanded clay and other suitable for this purpose modern materials.
With proper design of septic tank for cleaning the bottom of the latter capacity is at the level of the sand layer with high absorption capacity.The volume of the septic tankVolume storage and filter chambers shall be calculated based on the number of available daily effluent. And here it is impossible not to take into account the mode of use of the country, the number of people living regularly, especially the system of plumbing fixtures and existing appliances.

If the cottage is used year round and is well stocked urban housing, each resident, on average, approximately 200 litres of water, and country septic tank can process these drains for three days. In this case, the volume of the septic tank is calculated according to the formula:

The volume of containers = Number of occupants * 200L * 3 daysMaterial for septic tankPlanning to build with his own hands in the country with a septic tank, the course is different materials:

  • The concrete well rings;
  • Concrete;
  • Types of packaging;
  • Brick;
  • Tires and other consumables.
A septic tank of concrete ringsThis option is one of the most common. Installation is fast enough, and the volume of chambers is determined based on the used diameter manhole rings.






  • Before installing the rings to the cumulative cameras the bottom of pits concreted, and where it is assumed arrangement of the filter well, make a pillow of crushed stone.
  • Concrete structures set one on another. During the construction of the septic tank with their hands out rings scheme should take into account the supply to the wells of all necessary pipes, given their slope and diameter.
  • Future cameras inside and outside is carefully sealed with a cement mortar, modern waterproofing and torch-on membrane waterproofing materials.
  • When camera mounted, the tubing is brought and made heat and moisture, the pits fall asleep.









A septic tank of concretePlanning for the construction of a septic tank for the cottages, a lot of people choose the most durable and long lasting, in their opinion, a variant, which is the design of reinforced concrete.

  • During the construction of a septic tank at the first stage concreted the bottom of future cameras, pre-laying the reinforcing mesh. The metal has not been inevitable in the conditions of constant moisture corrosion, a layer of concrete on top of the mesh should not be thinner than three inches.
  • Then, erecting formwork and reinforcing it with rebar, concreted the walls of the chambers and make partition between them.
  • Construction is completed with the pouring of the slab.
Concrete construction requires careful and lengthy drying. This phase may require up to two weeks and the drying went on evenly, the solution covered with foil.

Country septic tanks improvisedIf the cottage is used intermittently and only in the summer, then considering the question how to make a septic tank for villas with their hands, it can be quite simple septic tank from scrap materials. It could be tires or plastic barrels. To achieve air-tightness and years of strength here does not, therefore, to use the design for cleaning and storage of toilet wastewater should not be. But for the country soul of a septic tank is the best option.





The installation of a septic tank with a high water table area Serious obstacle for the arrangement of country sewage systems of any design are the high water table in the area. In such a situation it becomes impossible to pass through cleaning chamber drains into the ground. And not all septic tanks will withstand stay in such conditions. But the problem is.

Easiest to use the cumulative sealed septic tanks for cottages. A high level of soil moisture will not be able to influence the process flow and cleaning. The only significant disadvantage of such a septic tank – the need to regularly use the services of sanitary workers.

More perfect and complex structure allows you to create a treatment system without pumping.

Typical scheme of a septic tank, This design provides for the presence of sealed containers of high-strength plastic or concrete. Capacity is divided into several chambers, where by flow supply and withdrawal of already purified of moisture.

In the first chamber, where serves domestic waste water, their rough purification and separation into fractions. In the second chamber of the septic tank to give the anaerobic decomposition of organic matter, here is the breakdown of fats and alcohols. In the cell decomposition products, or are deposited or transferred into the gaseous state. As a result of this process two-thirds of the pollution neytralizuya. The last phase is the soil treatment of wastewater.



If you use a septic tank for cottages, without pumping, in conditions of high groundwater, the tertiary treatment is recommended to hold moisture not by means of filtering fields, and on the surface of the soil to build a special filter cartridge.

Rules for the selection of septic tanks for cottages with high groundwater

  • The most safe and reliable septic tank made of polymeric material or, at least, of concrete;
  • The volume of the septic tank is calculated based on the speed of processing of wastewater per day;
  • Preferred horizontal design that does not require a large depth;
  • Possible type of septic tank: cumulative or forced pumping already already treated of moisture.
  • The more the scheme of a septic tank to give the cameras, the better the purification of sewage;
If the site has groundwater close to the surface, some of the materials in the manufacture of septic tanks for the garden will have to be abandoned because they can not provide the durability and the degree of sealing:

  • the septic tank of the tires;
  • the septic tank of bricks when laying it with the gaps;
  • a septic tank of concrete rings;
  • septic tanks with perforated pipes for drainage.
The device of septic tank of eurokubasto Make reliable septic tank for villas with their hands from the plastic tanks – eurokubas. Under these cameras, be sure to do the concrete base of adequate thickness to which the septic tank is securely fastened in order to avoid its displacement during movement of soils or the rise of ground moisture. Plastic container is definitely insulated foam and placed in the pit. After which it fill with water and concreted around. Insulation of the septic tank for the cottages is and top. On the surface of the output pipe of ventilation.





Since waste water in that septic tank cleaned not fully required soil treatment using the field filter, or the filter cassettes.

To clear the chambers of the septic tank required as rarely as possible, and the cleaning process was more intense, it is possible to use biological additives that promote decomposition of solid wastes and significantly reduces the percentage of sediment formed.

Video: septic tank at the cottage with his own hands (schema)

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Source: www.glav-dacha.ru/kak-sdelat-septik-dlya-dachi/

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