Hello everyone,
We are currently working on building our single-family house. The building application has been submitted, and we promptly received the first letter from the building authority stating:
Rainwater must generally be infiltrated or directed into a nearby open water body, as long as this is possible without excessive effort and damage (§ 48 b Abs. 3 WG-BW).
After a phone consultation with the building authority, we were told that rainwater is not allowed to be discharged into the sewer system due to water protection zone III. The proposed solution (if you can call it that, as they basically said “there’s no way around it”) is a cistern. Permeable paving was also mentioned for the driveway, although we’re not sure what that is for. There is no water body nearby, by the way.
We had actually considered a cistern for watering the garden but excluded it due to the cost. Now we are being forced to install one despite the financial strain, so I have a question for you.
There seem to be countless types of cisterns (according to Google). Can you tell me which type would suit our purpose and where it’s most important not to cut corners?
Kind regards
We are currently working on building our single-family house. The building application has been submitted, and we promptly received the first letter from the building authority stating:
Rainwater must generally be infiltrated or directed into a nearby open water body, as long as this is possible without excessive effort and damage (§ 48 b Abs. 3 WG-BW).
After a phone consultation with the building authority, we were told that rainwater is not allowed to be discharged into the sewer system due to water protection zone III. The proposed solution (if you can call it that, as they basically said “there’s no way around it”) is a cistern. Permeable paving was also mentioned for the driveway, although we’re not sure what that is for. There is no water body nearby, by the way.
We had actually considered a cistern for watering the garden but excluded it due to the cost. Now we are being forced to install one despite the financial strain, so I have a question for you.
There seem to be countless types of cisterns (according to Google). Can you tell me which type would suit our purpose and where it’s most important not to cut corners?
Kind regards
kati1337 schrieb:
How much does a cistern cost? Or what should one expect to pay if having it installed? We will be building on a slope, so soil will probably need to be redistributed anyway. If the cistern is integrated as part of that work, what would be the approximate cost? I have no idea. Ours cost about 800 euros new, but as a display model (it was just dusty on the outside) we got it for under 400 euros.
The mini excavator was already in the garden at the time, so the extra hole wasn’t really big in our case (shallow tank), it took about 15 minutes to dig. Then we also dug a trench for the overflow and placed a concrete cover from the building supply store for 40 euros on top, done. So you can keep it relatively inexpensive, though of course costs can go up as much as you want...
WilderSueden schrieb:
It’s easy to put something together, like a small wooden box with a lid. I wouldn’t find your example very appealing either.
We will have a water tap on the house, and I’m also planning to connect 1-2 additional outlets in the garden via underground piping. I’ll have to figure out the details once the house is built, but ideally, I don’t want to run a 20m (65 feet) hose across the yard all the time. That’s exactly how I could imagine it for us as well.
nokapito schrieb:
Somehow, I don’t find this very attractive:
![niederschlagswasser-zwingend-zu-versickern-564306-1.jpeg"]70384[/ATTACH]<br />
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You’re probably right. However, I was thinking of a similar solution and personally don’t find it unattractive or impractical at all...<br />
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[ATTACH type="full" alt="stainless steel water tap on metal rod, with a bush bearing red berries in front](/attachments/70446/)
Mahri23 schrieb:
That already looks quite classy... 😎I had set up a similar one with a fresh water connection at the construction site for the workers and will install it later in the garden... Actually very practical for water on the go, hand washing after gardening, and so on.
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