The water from a school drinking fountain was tested in late August and was found to contain an unacceptable concentration of lead. However, the water was tested again, after the students returned to school in September, and was found to be under the maximum allowable concentration. Suggest a possible explanation for this difference. Assume that the school was unused over the summer and that none of the pipes were replaced.

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I live in an old building and i am scared that the pipes are contaminated with oxidants or dirty, so i have been feeding my dogs with bottle water. Is this ok? Will this cause them any harm?

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Whenever I use the faucet from the kitchen sink either with tap water or with the pur filter on it, the water smells like plant roots/soil. I noticed the smell a few months ago, but the water tastes and looks fine. However, it only occurs if I leave water either in the sink, or out for my cat; it will start to stink after about a day. Occasionally, it will come out of the tap smelling that way even through the filter, too. I’ve installed a brand new faucet with new pipes, and I’ve thoroughly cleaned out the sink and garbage disposal, but the smell continues. What could it be? What should I do?
Sorry, not only occurs, I mean usually occurs.

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-The pipes vibrate while the water is running.
-Pipes don’t shake at low flow.
-Some examples when pipe vibrate: vibrate when sprinkler system turns on or two toilets run at same time or washing machine is running.

I’m pretty sure it’s NOT water hammer because that happens when the water is turned off and my pipes shake when the water is running.

Any ideas on how to fix or what the problem is?
Thanks.

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Our well water has a low ph, so we have a acid neutralizer, which protects our pipes but causes the water to be hard. It seems to me that a water softener would diminish the benefits of the neutralizer; (protecting the plumbing from corrosion). Is it worth the trouble of installing a water softener? Would the water really be significantly better? ie: washing clothes, shower water, etc.

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I am trying to get my family off bottled water. How do I know what needs to be filtered from my tap water in the first place? I don’t know what kind of pipes we have or what condition they’re in because we rent this place.

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Hello! I may have a problem with water hammer or pockets of air or whatever in my plumbing system. In order to troubleshoot, I want to drain the water from the pipes for the whole house and then refill it. What should I do with the water in water heater and water softner? Do I drain the water heater and water softner? Just turn power off on my Kenmore water softner? or use bypass valve? Thanks for your time!

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Is in-house water filtering system still needed, because those last-mile pipes to your home usually are not well maintained? Is Brita generally good enough for such purpose?

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The drawing shows a spherical reservoir that contains 4.70 x 10^5 kg of water when full. (height of house b above ground = 7.40 m.) The reservoir is vented to the atmosphere at the top. For a full reservoir, find the gauge pressure that the water has at the faucet in each house. Ignore the diameter of the delivery pipes. The cylinder base that holds up the sphere of the tower is 15m tall.

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The other morning I noticed a large puddle of water coming out from under my washer. This puddle appeared after I heard a gurgling sound. Last night I was in the kitchen washing the dishes and was running the washer at the same time, when the wash cycle turned over to the rinse cycle and the water was draining from my washer, it began to bubble up out of my kitchen sink! And it was dirty water too…it looked like stuff was floating in it, like the pipes are dirty inside. Why did this happen? It happened again this morning, that when the wash cycle turns over into the rinse, and the rinse cycle turns over into spin cycle, the water bubbles up out of the kitchen sink. The laundry room is inside the bathroom, which is right next to the kitchen. I imagine all of the pipes are connected somehow. My husband thinks the drain leading from the washer is clogged and told me to pour Draino into it. I do not think that is the answer. Thanks for your help!
Good point about the cold weather. I live in the northeast, and we have had several consecutive days where the temperatures have been in the teens and twenties during the day, then in the single digits at night. Maybe that has something to do with it?

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My university accomodation has no filtered water (i.e. with fluoride removed)… Since it is their property I can’t get a plumber to play around with the pipes and install a filter. So is there something - like a cap - that I can wrap around the tap head, to trap the added chemicals? How big would this cap be? (I will be sharing the water source with others and I don’t want a big chunk contraption hovering over the sink)

Any other tips appreciated

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Is in-house water filtering system still needed, because those last-mile pipes to your home usually are not well maintained?

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We have a well that produces good water, but at different times of the year, the water becomes cloudy, brown, etc. The well is nowhere near the septic tank, of course, so any filtering system that contains a backflush process is out of the question…nowhere for the waste water to go.

The system has a pressure pump (set to 55 PSI) and a large accumulator tank. From there, the 2" pipe goes to irrigation and to the house. I know I’ll have to re-plumb most of that to separate the outside from the house water. What kind of filter do I need? There are only 2 of us, so our use isn’t huge. I just want to keep the discoloration and scale down. This is Oregon and the water is fairly good. We will continue to use either Brita or a filter for the drinking water. There seems to be a very wide range of products from to well over 00. I just want to find something that works. Not sure if I need to worry about UV??? Thanks
I’ve used Culligan elsewhere. Overpriced to say the least, but that system requires backflush…where the flushing water must go into a septic tank/sewer…which is not accessible.

County doesn’t provide a testing service here…
The output of the pump and accumulator goes directly into the concrete of the well-house. Two pipes…one for irrigation and one for the house. They are connected with no backflow device as they are inside the building. Pipe now goes to a valve then Ts to the house line (in concrete) and to a 2nd valve that Ts to the irrigation line (in concrete) and to a faucet attached to the outside.

I need to re-plumb so I have more control (to turn off house but leave on irrigation, etc), and I can figure that out…but where and how and what sort of backflush relief can I get…and I don’t want the released water to fall inside the wellhouse. Any links to what I need to buy/do? Thanks…backflush is clearly a concern now..

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I just had a water filter system put in and the pipes are getting wet on the outside from the cold water running through it. can i stop this with out getting a thicker pipe?

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We derive underground water in our village for daily uses, which does not receive any kind of treatment. The problem is that the pipes and taps all get ruined very fast because of that.how do i prevent that? Is it a result of hard water or lass salinity. Do i need to get any specific tests?
Will adding washing soda decrease the menace, and if i do add it, what needs to be done to render the water drinkable?
Will any other step be required, the resources are less being in an Indian vilage?

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