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  1. #1
    Newbie Thai Dan's Avatar
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    House Water Tank

    Can anyone tell me about water tanks that I see up on a house sized tower? Namely:
    1. What size tank for a small family?
    2. Cost of that approximate size?
    3. Recommended tower height?
    4. Cost of tower?
    5. In a village about an hour outside of Roi Et, can I have clean water trucked in to fill the tank from time to time? Not for drinking but good enough for cooking, cleaning, bathing and washing clothes.

    Any help appreciated.

    P.S. Thanks Roobarb.

  2. #2
    Thailand Expat
    Roobarb's Avatar
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    ^ my pleasure

    Unfortunately I know sod all about water tanks though...

  3. #3
    I am in Jail

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    why not put tank in the ground, get a filter and a water dump.

  4. #4
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    I just looked at a 1000 litre tank mate, plenty big enough for you about 3.450 bht ,,, 300hp pump to fire it in about 4500bht

  5. #5
    Newbie Thai Dan's Avatar
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    Quote Originally Posted by Yasojack View Post
    why not put tank in the ground, get a filter and a water dump.
    Ok, but that won't give me gravity pressure for the ground floor taps. I'd have to hook up an on-demand pump, I guess? What do you mean by water dump though? The village water and the well water are really really bad. I'd like to have a water truck come when called. Do you know if that's possible?

  6. #6
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    Our water tank is 500 litres, less than 2,000 baht. It's fine. Missus got it off the web.

    We got a 200 hp Hitachi pump for about 5,000 baht.

    Just a rental place, so we didn't go crazy, but works fine...

    Very similar to Nige.

  7. #7
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    Quote Originally Posted by nigelandjan
    300hp pump

    Quote Originally Posted by Bettyboo
    200 hp Hitachi pump
    Surely, you jest...300 and 200 hp pumps?... Talk about arse blasters...

  8. #8
    Thailand Expat Boon Mee's Avatar
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    I installed a 1250 liter (330 US Gallons) stainless steel tank with a on-demand pump. Was initially considering a water tower but the cost of construction outweighed the simplicity of a ground-level pump. You need a pump to get your Moo water up to the tank on the tower anyhow.
    A Deplorable Bitter Clinger

  9. #9
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    I had an under ground water tank dug using concrete rings, the water is much cooler that when we had an above ground stainless steel tank.

    The best thing I did was to have a bore hole drilled so no more deliveries or bills.

  10. #10
    Thailand Expat Boon Mee's Avatar
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    Quote Originally Posted by Kurgen View Post
    I had an under ground water tank dug using concrete rings, the water is much cooler that when we had an above ground stainless steel tank.

    The best thing I did was to have a bore hole drilled so no more deliveries or bills.
    I have a deep well on the property. Total depth was ~40 meters where they should have set the screen but forgot. No matter as the filter catches any sand that comes up which isn't much. Excellent water and cold. Moo ban water is cheap here. Runs maybe 120 baht a month.

  11. #11
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    Quote Originally Posted by Boon Mee View Post
    Quote Originally Posted by Kurgen View Post
    I had an under ground water tank dug using concrete rings, the water is much cooler that when we had an above ground stainless steel tank.

    The best thing I did was to have a bore hole drilled so no more deliveries or bills.
    I have a deep well on the property. Total depth was ~40 meters where they should have set the screen but forgot. No matter as the filter catches any sand that comes up which isn't much. Excellent water and cold. Moo ban water is cheap here. Runs maybe 120 baht a month.
    Water tanks are good if you have a limited water supply from the public system and have to bunker it to have enough. If you have your own well, there is really no reason to have a tank, and eliminating the tank reduces complexity greatly and also eliminates tank contamination by bacteria or shrimp. I've seen what grows in those tanks.
    Press On Regardless

  12. #12
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    Kurgen's Avatar
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    I check mine regularly and drain and clean it every couple of years.

  13. #13
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    Usually two people in our boonies house and we have a plastic 2000litre tank ( 7k bt?)filled from wells/ pumps. Have domestic on demand pump also ...think about 8k bt 9 years ago.
    2000ltre lasts about 4 days with two people but when rellies here about 2days.
    Have put rocks in toilet cistern tanks to reduce water volume by about 30%.

    Drink rain water collected in a big bowl outside... dumped via coffee filter into water cooler bottle..lol

    A tower, while initially expensive what with construction, tank and fill pump ( unless moo truck has facility) may be the way to go knowing power outage frequency here.

    Where does the water truck fill up?..if it is just town water maybe worth getting it piped in to fill your tank. Blue pipe is cheap as chips and easy to lay and join?
    Of course you will then need an in tank float valve, like your toilet cistern ,to maintain tank level.

  14. #14
    Thailand Expat Boon Mee's Avatar
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    Quote Originally Posted by thailazer View Post
    Quote Originally Posted by Boon Mee View Post
    Quote Originally Posted by Kurgen View Post
    I had an under ground water tank dug using concrete rings, the water is much cooler that when we had an above ground stainless steel tank.

    The best thing I did was to have a bore hole drilled so no more deliveries or bills.
    I have a deep well on the property. Total depth was ~40 meters where they should have set the screen but forgot. No matter as the filter catches any sand that comes up which isn't much. Excellent water and cold. Moo ban water is cheap here. Runs maybe 120 baht a month.
    Water tanks are good if you have a limited water supply from the public system and have to bunker it to have enough. If you have your own well, there is really no reason to have a tank, and eliminating the tank reduces complexity greatly and also eliminates tank contamination by bacteria or shrimp. I've seen what grows in those tanks.
    That's a valid point re separate deep well pump eliminating the need for second pump although the on-demand pump uses less electricity to run + the bother with valve line-ups involved in the deep well manifold. The SS tank gets cleaned out every two years or so - the moo water comes in suprisingly clean w/out a need for a filter on the intake side. I do have a UV filter arrangement in the house with a three-element attachment but they don't require cleaning but every 3 months if that.

  15. #15
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    stevefarang's Avatar
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    Quote Originally Posted by Boon Mee View Post
    Quote Originally Posted by Kurgen View Post
    I had an under ground water tank dug using concrete rings, the water is much cooler that when we had an above ground stainless steel tank.

    The best thing I did was to have a bore hole drilled so no more deliveries or bills.
    I have a deep well on the property. Total depth was ~40 meters where they should have set the screen but forgot. No matter as the filter catches any sand that comes up which isn't much. Excellent water and cold. Moo ban water is cheap here. Runs maybe 120 baht a month.
    I'm thinking of drilling a well at our new place. Other than filtering for sand, is your well water safe to drink without UV treatment?

    Thanks,
    Steve

  16. #16
    Thailand Expat Boon Mee's Avatar
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    Quote Originally Posted by stevefarang View Post
    Quote Originally Posted by Boon Mee View Post
    Quote Originally Posted by Kurgen View Post
    I had an under ground water tank dug using concrete rings, the water is much cooler that when we had an above ground stainless steel tank.

    The best thing I did was to have a bore hole drilled so no more deliveries or bills.
    I have a deep well on the property. Total depth was ~40 meters where they should have set the screen but forgot. No matter as the filter catches any sand that comes up which isn't much. Excellent water and cold. Moo ban water is cheap here. Runs maybe 120 baht a month.
    I'm thinking of drilling a well at our new place. Other than filtering for sand, is your well water safe to drink without UV treatment?

    Thanks,
    Steve
    The deep well water is completely safe to drink as well as the Moo water although I installed a filter on the tap water in one sink in the house but the taste is almost exactly the same.

  17. #17
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    Necron99's Avatar
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    Apart from being ugly and potentially dangerous, your tower needs to be about 4 stories tall to give you decent pressure.
    A 1 or 2000 liter tank filled with potable water isn't going to last long if you use it for washing and bathing. It will be expensive to run in the long term.
    Your best bet is a tank, on demand pump and a reverse osmosis filter, they can be had for 10 to 20k nowdays.

  18. #18
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    Quote Originally Posted by stevefarang
    Other than filtering for sand, is your well water safe to drink without UV treatment?
    I guess my water is pretty clean as I only live about 100 meters from the reservoir. Even so I get water delivered for drinking and cooking. Saying that, I do brush my teeth straight from the tap.

  19. #19
    Thailand Expat cyrille's Avatar
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    Quote Originally Posted by Necron99 View Post
    Apart from being ugly and potentially dangerous, your tower needs to be about 4 stories tall to give you decent pressure.
    Seconded.

    Our neighbour has just put one up which is a total eyesore and, more importantly, could fall right through our bedroom roof.

    Thanks for the peace of mind and thoughtfulness, dear neighbour...

  20. #20
    Days Work Done! Norton's Avatar
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    Quote Originally Posted by Thai Dan
    In a village about an hour outside of Roi Et
    Careful, well water in Roiet generally has high salinity. I would go with village water.

    Bring village water into a filter, then to tank with an on demand pump feeding house from tank. Water in village I live in has some sediment and a nasty smell. I use a single stage carbon activated filter, 1200 litre underground tank and a Mitsubishi WP305Q3 pump (about 7k baht). Haven't checked current prices for all bits but all available at Global House Roiet.

  21. #21
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    The HYFLO pumps in Big C cost only about 3,000 Baht. Suck a lot of air though, must be vented frequently. Mine run dry eventually all night and went kaput. The Hitachi that was in the house when I rented it, no idea how much it was, broke as well, but was repaired for 1,200 Baht and is back in service. Ants build a nest in the pressure switch and it stopped working, but it was no problem to clean them out. You should put a plastic tank underground to keep the water cool, or at least in the shade. UV light destroys plastic within ten years or so. Steel looks better and doesn't rust, but there are all sorts of corrosive substances in the environment, shit of animals, acid rain, and they can spring leaks in no time. You should install 2,000 litres at least, the small tank trucks have this capacity and you pay them for coming, not volume. I pay 200 Baht in Pattaya.

  22. #22
    Newbie Thai Dan's Avatar
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    Wow, lots of ideas. Keep em coming please and, when I have time away from the current emergency (septic setup, need I say more?) I'll go through all of your excellent inputs and make some decisions. Thank you all!

  23. #23
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    Quote Originally Posted by stevefarang View Post
    Quote Originally Posted by Boon Mee View Post
    Quote Originally Posted by Kurgen View Post
    I had an under ground water tank dug using concrete rings, the water is much cooler that when we had an above ground stainless steel tank.

    The best thing I did was to have a bore hole drilled so no more deliveries or bills.
    I have a deep well on the property. Total depth was ~40 meters where they should have set the screen but forgot. No matter as the filter catches any sand that comes up which isn't much. Excellent water and cold. Moo ban water is cheap here. Runs maybe 120 baht a month.
    I'm thinking of drilling a well at our new place. Other than filtering for sand, is your well water safe to drink without UV treatment?

    Thanks,
    Steve
    If you live in a farming area and plan to drink your well water, it's important to have your well water tested for pesticides. Thai farmers use a lot of atrazine (for one example) that does not break down and ends up contaminating wells. This is a significant problem in the USA where the usage levels are restricted. No restrictions here. We found the testing so expensive we just decided to use bottled water for drinking and cooking.

  24. #24
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    Quote Originally Posted by Necron99
    Your best bet is a tank, on demand pump and a reverse osmosis filter, they can be had for 10 to 20k nowdays.
    This is what we have; has worked well.

    Many folks seem to be over-engineering... But, I suppose it depends where you live. In Bangkok, as per Nakon Nayok, the setup above is fine for 3 people to have 2 showers per day plus a load of washing everyday; it's the pumps job to refill the tank, and we've never had a problem with 2 showers, washing machine, loo and kitchen sink water going at the same time - the 500 litre take does it's job... If you have a steady supply of water (well or pipe) then you don't need a particularly large tank; you could do the maths, but experience tells me that a 500 litre tank works fine for 3 folks using all the water they can at the same time; I've never had a situation where we have run short of water...

    If you have a water tanker bringing water in or you have times when your water flow stops for some hours/days then a larger tank would make good sense.
    How do I post these pictures???

  25. #25
    Newbie Thai Dan's Avatar
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    Thanks everyone. I think we are going to drop a deep well, get a tank with float mechanism inside and put it on the ground in the shade of a large carport we have, pump from the well to the tank and have an on-demand pump to take the water into the house. The local teacher's house has this setup as well and they say it is alway full and cleaner than any other source.

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