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This is a soakwell This is a closeup of a soakwell
Concrete Soakwells Perth,
Western Australia
Concrete Soakwells Perth,
Western Australia
Concrete Soakwells Perth,
Western Australia

What is a soakwell?

Why  do we need soakwells?

In Western Australia, soakwells are vitally important in maintaining the integrity of a buildings foundation. 
Rain water could easily sit and rest against cement or concrete foundations of structures which can lead to the sagging of a building and the quality deterioration of the foundation.

Soakwells in housing construction

Soakwells for dwelling and houses

A soakwell is a perforated tank or underground structure which allows storm water to drain away in the sound surrounding soil, preventing erosion and top soil damage. 
Homes with soakwells are less likely to have problems with rain water drainage.
Concrete soakwell installation
If you have ever pointed a garden hose at a patch of soil, you would see that erosion and landscaping damage can occur rather quickly. In the same way, if storm water during a storm rushes down the gutters of a building and continuously pour out on soil, over time it may be difficult to rectify the soil erosion. 

Even if paving exists beneath gutters, the soil below the paving will soon begin to flow away, which leads to dipping paving.
soakwell polypropylene soakwell concrete
Before the construction of a new house the builder or homeowner should give special consideration to the stormwater runoff which will result from the roof and impermeable area of a new construction. Prior to construction on a brand new property, rainwater would have soaked into the ground and subsequently disperse. However, after construction, rainwater will land on surfaces such as a roof, paving or driveways and gather above ground, having nowhere to flow to. Any area, which is able to absorb water, will essentially be absorbing a significantly higher amount, leading to flooding, soil erosion and undermining of foundations.
Poly soakwell installatioon

Traditional stormwater drainage & Legislation

The legislation in Perth, Western Australia states that all stormwater, which lands on a property, is to be retained on the same property. This essentially means that water from a property may not flow onto public, neighbouring or other properties.

There are a number of ways a Perth property owner can retain water on site.
The traditional, tried and tested method, which is most commonly used, would be soakwells. 

When installed by Perth Soakwells, we ensure that your rainfall will lead to a soakwell system which would then aid the dispersion of storm water from your property. 

The exact volume required or recommended differ between councils and shires which are responsible for various areas. 

The stormwater requirements will be determined by the size of the building, zoning of your property, residential density, council stormwater capacity, soil type and various other factors.
Soakwells may consist of concrete, polypropylene or masonry bricks in the past. 

Typically, rain water from a dwelling roof or impermeable ground area travels via storm water piping to a soakwell or undergorund tank, gently seeping into the surrounding soil. 

Soakwells are mostly connected to downpipes leading from gutters on practically most habitations unless a common drainage system is available.
Typically in the past, many homeowners installed soakwells by digging a hole and building it out with bricks and mortar, however this system often allowed leaching of sand back into the soakwells.
A soakwell can range in size from a few litres to 5000 litres in concrete or extended volumes in polypropylene. A soakwell is installed typically 300mm to 500mm below ground with the bottom edges varying in depth between 900mm to 2.4 metres.

Soakwells: A Closer Look