Stagnant water in pipes

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jpgroussard
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Stagnant water in pipes




by jpgroussard » 15/07/15, 12:18

Hello, if someone can help me ...
here is my problem:

for 5-6 years I have been "building" with childhood friends a small house in stone and wood by a lake.
In August 2014 we dug a well and we were lucky to find a source. Very good, very clear, very fresh and miraculous (nowadays), good to drink. We had a great time in August 2014, except that it was just outside the booster because the house's plumbing was not done. We came back in May 2015 and still excellent for two weeks. Time used to finish plumbing. Two days before leaving, we made the booster-house connections and we checked that everything was fine. And everything was fine.
Three weeks later, some friends went to spend a weekend and there it was much worse: the water smelled bad. At first panicked, I quickly understood (I think I understood) the phenomenon: the house is about fifteen meters from the well. So there is a polyethylene pipe of this length that I did not have time to bury, pipe subjected to temperatures between 20-35 ° C in the shade or even more in full sun. Combined with the fact that friends go there every 2-3 weeks even rarer, I deduce that it is stagnant water in the pipes, especially the one that is in direct sunlight. Moreover, by letting the water run for a few minutes, the smell disappears. For the moment we leave aside the comfort (kitchen, shower - we only use the toilet because we don't care about the quality of the water) and we take water directly from the well with a bucket each time when we want to drink.
Questions :
1. Burying the polyethylene pipe will solve the problem? (the use of the house, therefore, water will always remain occasional 2-5 times a year, so always stagnant water)
2. if so, simply letting the water run for a few minutes at each arrival will remove bacteria and other bugs that are already in all the pipes?
3. if not, do you have to replace all the plumbing? Or are there products to “inject” into the pipes to clean them?
4. do you have another solution? There should be some because it is not the second houses (therefore rarely used and therefore stagnant water) that are lacking.
thank you in advance
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The shadow
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by The shadow » 15/07/15, 12:42

Hello :D I read your message and you found the problem and the solution : Cheesy:
Your idea to put your pipe in the ground is the right one (think of the frost) and once everything is done with a smile :P
You will have at each visit a small purge to do (just to put water in your siphons and the little cleaning of dust) you will be able to use your water with the quality of the well
If you want to go further in terms of quality, forum is fairly well supplied with details and advice
PS for your plumbing? how is the whole network 8)
The good day
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jpgroussard
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Stagnant water in pipes




by jpgroussard » 15/07/15, 13:01

Thank you the shadow for your answer because it gives me hope ...
-I tell you with my words because I am not a plumbing specialist (even if it was I who did everything):
well >>> suppressor (sheltered) just next to the well >>> 15m of polyethylene pipe >>> 1 single entry into the house in PER pipe >>> which goes to the toilet, shower, sink and sink >>> a bypass for the water heater which then goes to the shower, sink and sink.
-house used only in summer (all emptied in October - restarted in May)
thanks again
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by The shadow » 15/07/15, 13:21

Hello :D
For the hot water circuit I would only advise you to put copper 8) for your comfort (and this is a suggestion) you will do as you see fit : Mrgreen:

For the rest (DHW) of the tank the outlet at each tap (in copper) and above all do not forget the earthing :D
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by Macro » 15/07/15, 13:51

A small purge of a few minutes at each tap at each return to service and that's it ...
I have exactly the same problem at home with my rainwater recovery tank ... A yes too; avoid exposure of any filter cartridges to UV rays, especially if they are transparent ....
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by The shadow » 15/07/15, 14:01

To avoid the proliferation of algae an aluminum foil around each filter is a very simple solution : Mrgreen:
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by jpgroussard » 15/07/15, 14:27

thank you macro and shadow
where are the filter cartridges?
because apart from the strainer at the bottom of the well (which is similar to me as a novice to a filter) I have not installed any other filter

you macro, do you use rainwater to drink it?
otherwise, are my pipes contaminated or not? (since the water has been stagnating at 30-50 ° C for two months)
purging a few minutes each tap removes bacteria or not? (it is sure and certain, at the moment they are present)

in my specific case: would you put filters somewhere between the well and the outlets (sink, sink, shower)?
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by The shadow » 15/07/15, 14:43

jpgroussard wrote:thank you macro and shadow
where are the filter cartridges?
because apart from the strainer at the bottom of the well (which is similar to me as a novice to a filter) I have not installed any other filter

you macro, do you use rainwater to drink it?
otherwise, are my pipes contaminated or not? (since the water has been stagnating at 30-50 ° C for two months)
purging a few minutes each tap removes bacteria or not? (it is sure and certain, at the moment they are present)

in my specific case: would you put filters somewhere between the well and the outlets (sink, sink, shower)?

Hello
On your suction pump a sieve and you must have at the outlet of the pump a non-return valve, a stop valve, a filter (see two = 1 large and a small step in size but stopping particles ) in your house
I have good :D
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by Macro » 15/07/15, 15:04

jpgroussard wrote:where are the filter cartridges?
because apart from the strainer at the bottom of the well (which is similar to me as a novice to a filter) I have not installed any other filter

you macro, do you use rainwater to drink it?
otherwise, are my pipes contaminated or not? (since the water has been stagnating at 30-50 ° C for two months)
purging a few minutes each tap removes bacteria or not? (it is sure and certain, at the moment they are present)

in my specific case: would you put filters somewhere between the well and the outlets (sink, sink, shower)?


If you haven't installed filters, it's easier. : Cheesy: Yes I sometimes drink my rainwater in the tea, the noodles, the rice ... it is also used to wash the dishes, wash us with it and wash our clothes ... That said, it only represents a third of our consumption. It is stored in a buried polypropilene tank ... And yes it must be stuffed (among other crap) with bacteria ... However no illness at home directly linked to the consumption of this water (but it is true that we have some). drinks very little and only boiled) even with sometimes its particular smell of "duck pond" Bacteria filters ... except for some UV lamp processes ... I do not see too much ... For the smell it There are activated carbon cartridges ... But they must be changed regularly ... For me, empty each time you leave or rinse each time you arrive = same fight. There is no spontaneous generation of bacteria in your water, there is only a possible proliferation of those that are already there ...
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by Grelinette » 18/07/15, 12:23

Wouldn't the simple solution be to drain the piping after use, before each prolonged departure? ...

Burying the pipe still seems useful to protect it, even at a small depth (15/20 cm) because a pipe on the surface always ends up being pierced when we pass over it with a loaded vehicle or wheelbarrow, that it hang with a tool, or that a rodent or a dog chews on it ... (lived all that!)

This drained water could irrigate a corner of the garden or be stored in a tank for later use.

You mention that there is 15 m of pipe, a priori it must be 25 mm or 32 mm, these 2 diameters being the most used for domestic food,

- in the case of 25 mm, this will therefore be approximately 7 liters to be drained,
- in the case of 32 mm, it will be 12 liters to drain,
in both cases these volumes are not huge (if my calculations are correct).

You may also have the option of installing a bypass at the well to return the water from the piping to the well simply by gravity.

If you think this solution is possible, we can give you a sketch of a simple assembly. (... and the specialists will intervene to perfect the assembly).
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