Rainwater tank
By installing a rainwater tank, you can collect extra water for watering your garden. You can also connect the tank to your home. The amount of water storage depends on the number of water tanks installed.
You are only eligible for a disconnection subsidy if the tank overflow is connected to an infiltration facility in your own garden. An overflow is necessary in case the tank is full.
Costs
When using a water tank solely for the car or garden, the costs are limited. If you also use the rainwater from the rainwater tank for the toilet and washing machine, for example, a separate water pipe is required. When the rainwater tank is empty, the system must be able to switch to drinking water. This requires special equipment.
Use of space
The rainwater tank is usually installed underground and therefore does not require any extra space.
Difficulty
If water consumption is low, for example for the garden and car, the system can be installed by a handy DIY enthusiast. For a more extensive system, a connection to the water supply is required and a second pipe network must be installed. This must be done by a certified installer.
Earthmoving
Most tanks have a capacity of approximately 5 m3. This requires a significant amount of earthmoving.
Maintenance
Maintenance is limited to inspecting and, if necessary, cleaning the filter system.
Climate goals
A water reuse system contributes to awareness and also supplies water during periods of drought.
Biodiversity
Contribution to improving biodiversity
Points of attention
- It is important that the rainwater tank is manufactured in one piece, so that it is seamless and 100% watertight.
- Rainwater tanks consisting of rings or shell sections always have one or more seams that need to be sealed. These seams must remain watertight.
- It is important that the connections to the tank or well are also watertight. Preferably with rubber grommets to compensate for minor settling (deformation) of the tank.