We have had serious problems the last while with a bacterial growth in
our rising main (service pipe) that feeds water into our house. There
are often black particles in the water, these are organic, and not
sediment or plastic or anything. They seem to be the root of the
problem. Does anyone know how I might be able to perhaps air scour and
disinfect this pipe run? It would be about 25 feet long. We are on
mains water by the way.
Do you know for a fact that the water in the main is free of the
contamination? I would suspect that it is coming from there. Why would it
just happen in you supply? Are any of your neighbors having a like problem.
How have you determined that the particles are organic and have you
determined what kind of organic?
The problem is that the street I am on is fed in two directions by the
water. The road is not levelled out either, we are on quite a steep
dip, so the two feeds are always 'colliding' outside my house, with
any sediment and dirt picked up along the way by the two flows having
nowhere to end up but my kitchen! Basically, the water does not move
along continuously. The water depot wont help me on this one either,
they feign ignorance.
So what makes you think that "disinfecting" the pipe is going to help?
If the sediment is coming from the city water supply, it's going to
keep coming no matter what you do to your feed.
Either give up and buy a whole-house water purification system (Hey
Culligan Man!) or get a lawyer.
Most water mains are fed from more than one direction to prevent stagnation
as in a dead ended system. Water does not collide, the pressure may come
from both ends but the water will only flow to replace what is used or
drained from the pipe. Being in a lower end of a pipe will only serve to
increase the pressure not feed you sediment. Ask for the water supplier to
take and test a sample, and you do the same and compare results. You may
need a whole house filter as city water is never perfect.
Thats interesting EXT, but surely the two flows are technically
'ending' on the street and colliding? We have a very low chlorine
residual too most of the time, and I suspect it is being used up by
any sediment/dirt the flows may have picked up on the long pipe runs
it runs through before it gets to my street. Does that make any sense?
We cant seem to get rid of this black/brown particle problem, you will
see one or two of them every few glasses of water that is poured.
When I ask the local water depot to flush out the street main, this
disappears for a few days, before coming back again. Any idea why?
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