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Chlorinated Pool Owners : Where Does Your Backwash Go?

 
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LotBoy47



Joined: 31 Jan 2019
Posts: 19
Location: SW France

PostPosted: Fri Jun 07, 2019 9:20 am    Post subject: Chlorinated Pool Owners : Where Does Your Backwash Go? Reply with quote

My adventures in pool maintenance continue having rebuilt both multiport valve and our pump impeller recently.

After some detective work, it appears that the waste is directed to the gravel bed area of the main fosse. This is obviously bad from a chemicals Vs. good bacteria point of view and very bad from a 400 litres per minute hydraulic destruction point of view.

Number 1,264 in an increasing series of Why the **** did they do it like that? moments here in Dept 47.

There are no public drains to direct this waste water to (which is probably illegal anyway), so Im wondering if anyone else is in a similar situation and how you deal with the waste water from your pool generated by backwashing and vacuuming to waste.
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SPJ



Joined: 28 Dec 2015
Posts: 209
Location: Aquitaine

PostPosted: Fri Jun 07, 2019 11:05 am    Post subject: Reply with quote

Pipe goes straight to the edge of a bank and the water gushes down a gulley between our land and our neighbouring farmer's. In the 12 years we've been here he's never complained and there's no evidence that it's affected the quality of his crops. Must say, never thought about it until you raised the question.
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LotBoy47



Joined: 31 Jan 2019
Posts: 19
Location: SW France

PostPosted: Fri Jun 07, 2019 12:22 pm    Post subject: Reply with quote

Our American friends usually just spray it over their lawn or run off downhill.

As it will be human-safe pool water with very low level of bio-crud from the sand filter, Im pretty sure it wont hurt anything.

I do have a nice tennis court sized patch of weeds I can test it out on as it happens.

Looks like I have another plumbing project on my hands...
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Moliere



Joined: 08 Mar 2007
Posts: 4679
Location: Magalas, Languedoc

PostPosted: Fri Jun 07, 2019 3:35 pm    Post subject: Reply with quote

We live on a hill and a few days ago I heard the sound of rushing water. I discovered the chap across the road was discharging his pool straight out onto the road, where it rushed down the hill!

Ten points for chutzpah anyway.

Mols
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LotBoy47



Joined: 31 Jan 2019
Posts: 19
Location: SW France

PostPosted: Fri Jun 07, 2019 3:55 pm    Post subject: Reply with quote

We drain everything downhill and it sucks to live in the valley! appears to be a thing around here.
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