Once the water is recovered, it must be possible to store and preserve it in good conditions, in anticipation of days of scarcity, especially in the southern regions of the France. You can then choose an underground cistern that can hold between 10 and 20 m3 and then allows you to have a substantial water reserve. But this includes earthworks and some equipment such as a pump, a filtration system and a network to carry water. There is a more practical and much more affordable price level, it is the tank or the water tank to be placed on the ground. The capacity is variable according to your needs and does not require work. We have made a selection of the best tanks and tanks to store rainwater.
Our selection:
Foldable tank - 200 liters
Amazon
€46.99
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Rue du commerce
€48.99
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Conforama
€48.99
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Cdiscount
€53.99
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ManoMano
€56.99
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This rain collector with a capacity of 200 liters is perfect for rainwater collection that can be used during the dry season. Made of PVC and ABS, the water is stored in good conditions and does not deteriorate. Foldable, it is easy to store and store when not in use.
- Small price
- Good storage capacity
- Faucet provided
- Small footprint
- Not very stable
Large capacity portable water container (from 100 to 1,000 liters)
Amazon
€55.00
To see
This water storage tank offers a large capacity to use water for agricultural, industrial or recreational purposes. It is easy to transport thanks to 4 traction rings. Made of thick PVC and synthetic rubber fiber, this container is very resistant. It is foldable and therefore easy to store.
- Good value for money
- Several sizes available
- Collapsible
- Requires a flat floor
Foldable large capacity water tank - 3000 liters
Amazon
€180.00
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A very large storage capacity for this water tank. Made of high-density PVC, it is puncture resistant and has a very good service life. Foldable and lightweight, it is easy to store when not in use. 4 plastic handles allow it to be easily moved.
- Large storage capacity
- Several sizes available
- Faucet provided
- Requires a flat floor
- Quality to review
Recovery tank to bury - 3000 liters
DIY market
€1,199.90
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Leroy Merlin
€1,320.00
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This rainwater recovery tank offers a large storage capacity and requires shallow burial and therefore less work for installation. Handling is easy thanks to the low weight of the tank. A raise is included for frost-free installation.
- Large storage capacity
- Solid
- High price
Plastic tank - 300 liters
eBay
€187.43
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Amazon
€275.00
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This plastic tank offers good storage capacity for rainwater and can be used for garden, sanitary facilities, etc. It is stable, stackable and perfectly weather resistant. Its dimension corresponds to half a euro pallet.
- Good value for money
- Solid
- Resistant to UV rays
- No opening planned for the overflow
Rectangular tank - 520 liters
Leroy Merlin
€89.90
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DIY market
€107.50
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DIY private
€164.90
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Cdiscount
€164.90
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A recovery tank easy to install against a wall or in a corner, with this 520-liter model made of rigid polypropylene. It is supplied with a faucet, lid and reinforcement bars. Solid, it is weather resistant and keeps rainwater in good conditions.
- Good value for money
- Solid
- No pre-drilled hole for faucet
Can I collect and store rainwater for use at home?
It is quite possible to collect rainwater for use at home. It is a practical and ecological way that also allows you to make great savings. Did you know that about 45% of the water we use every day doesn't need to be safe to drink? This is the case, for example, for watering plants, grass, washing the car, etc. For this, it is necessary to be equipped with a rainwater collector that allows to store the water in good conditions. It must be possible to install it near a gutter, without forgetting to place a filter and a lid to avoid the formation of algae or microorganisms and to be able to use the water thus recovered safely.
It is mandatory to make a declaration of use to the town hall, in the event that your installation is connected to the collective sanitation network, This is the case if you use rainwater collected inside your home to flush the toilet or wash clothes.
If the rainwater is soft, it should not be used to fill a pool (risk of ingestion), or do the dishes and of course, do not drink it.
Be careful, do not directly recover water that falls directly from the roof and may contain asbestos or lead!
Can I use my rainwater storage without restriction?
With the dry spells that affect us during the summer, being able to use rainwater is a very good solution. However, it must be used for domestic use and not for food consumption: flush toilets, wash floors or laundry, but provided that a suitable water treatment device is used. Rainwater can also be used to water the garden, plants or wash the car. In normal times, there are no restrictions on the use of rainwater.
It should be noted that in times of drought and as a general rule, rainwater harvesting is not affected by the restrictions. It is even better to use this rainwater (always for domestic purposes), rather than drawing water from the network and thus further weakening resources. However, the rules for using rainwater may differ depending on the department. It is therefore essential to inquire by consulting the restriction order to know the limitations of the use of water and this according to the resource. Depending on the housing department, there may be schedules for watering gardens and vegetable gardens, regardless of where the water comes from. It also happens that in case of severe drought, it is forbidden to wash your car, regardless of the origin of the water.
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