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Thread: Black Fine Sediment well water

  1. #1
    DIY Junior Member nowater's Avatar
    Join Date
    Jan 2012

    Default Black Fine Sediment well water

    Just purchased a Home back in may, in the last few months after putting some chlorine in the well i opened all the faucets to flush out the system. Upon doing so towards the end i noticed the water having black sediment. So i stopped flushing the system, now occasionally in the tubs there appears to be black water.
    There is a high level of Iron, and we do have rust color water lightly. But the sediment we have is more of a finer particle and a solid black color. Turning the water a tint of black as well. It is an artesian well, with a 10 year old hot water tank looks to be 40g, and a pressure tank. submersible pump as well.

    Any suggestions, ideas to trace this problem down? & Fix?

  2. #2
    Moderator valveman's Avatar
    Join Date
    Mar 2006
    Lubbock, Texas


    Sounds like you should not have stopped "flushing the system". You don't have a lot of options with sediment in the well. The first thing to do is try to pump it clean. You have to use more than just a hose. You have to open up a big line or run several hoses to get the pressure down and the volume needed to bring the sediment out of the well. You may have to pump it hard for days to do any good.

    If pumping it out doesn't work, your next option is to pull the pump. Then you can have someone treat and clean the well, or run a camera to see what the problem is.

  3. #3
    DIYer, not in the trades LLigetfa's Avatar
    Join Date
    Feb 2011
    NW Ontario, Canada


    If the black sediment has a staining quality, it could be manganese. I have lots of it and it encrusted on the interior of the well and on the pump. My iron filter and my softener takes care of it but it takes a toll on them.


    Valveman is right, that you have to complete what you started.

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