We are currently planning a single-family house.
I am undecided about a concrete cistern (concrete for durability).
The plot is about 800 m² (8600 sq ft). The cistern is intended for garden irrigation (although not much will be cultivated in the garden). How large should the cistern be at a minimum?
What costs should I expect?
Is the investment worthwhile?
How is the water withdrawn? Can the cistern be connected to the outdoor tap?
I am undecided about a concrete cistern (concrete for durability).
The plot is about 800 m² (8600 sq ft). The cistern is intended for garden irrigation (although not much will be cultivated in the garden). How large should the cistern be at a minimum?
What costs should I expect?
Is the investment worthwhile?
How is the water withdrawn? Can the cistern be connected to the outdoor tap?
N
nordanney18 Jun 2015 15:45Do you need to build a cistern? Could a well be a (more affordable) alternative (depending on the groundwater level) – here in NRW, many cisterns have run completely dry in recent weeks, so the garden had to be watered with expensive tap water.
It’s best to check with your local municipality about having a well. They are not permitted everywhere, as there must be sufficient groundwater available. If you are building on a hillside with a nice view, the chances are low; if you are in a valley near a flowing water source, the chances are better. But as I said, inquire with your municipality about any regulations or maximum extraction limits. Depending on jurisdiction, they might also refer you to your county or district office.
However, if you are using a rainwater cistern for garden irrigation and need to have a hole dug anyway, it’s better to go for a slightly larger size, especially with cisterns made from concrete rings.
However, if you are using a rainwater cistern for garden irrigation and need to have a hole dug anyway, it’s better to go for a slightly larger size, especially with cisterns made from concrete rings.
You wrote that a cistern is not mandatory. Are you referring ONLY to the cistern?
For example, where we are, a suitable rainwater infiltration system is required. This can be an infiltration pit, soakaway, pond, or a cistern.
You might want to check again whether something like this is necessary. Either way, this will incur costs for you – so in my opinion, choosing a cistern makes sense because you can use the rainwater and avoid paying for both tap water and wastewater.
Edit: By the way, there are already threads on this topic here in the forum where you can find more detailed information.
For example, where we are, a suitable rainwater infiltration system is required. This can be an infiltration pit, soakaway, pond, or a cistern.
You might want to check again whether something like this is necessary. Either way, this will incur costs for you – so in my opinion, choosing a cistern makes sense because you can use the rainwater and avoid paying for both tap water and wastewater.
Edit: By the way, there are already threads on this topic here in the forum where you can find more detailed information.
Does a cistern ever make sense if it is not required?
From a certain level of water consumption, it is possible here to be exempted from sewage charges for external water use. Then, the cost per cubic meter is only 2.xx€ instead of 6-7€. The neighbors used about 20-30 m³ (700-1,060 cubic feet) last year.
Now you can compare the purchase costs plus interest expenses against that.
From a certain level of water consumption, it is possible here to be exempted from sewage charges for external water use. Then, the cost per cubic meter is only 2.xx€ instead of 6-7€. The neighbors used about 20-30 m³ (700-1,060 cubic feet) last year.
Now you can compare the purchase costs plus interest expenses against that.
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