Groundwater sump issue

Discussion in 'Plumbers' Talk' started by smaj, Oct 13, 2021.

  1. smaj

    smaj Member

    Hi i have a basement in a property i have just purchased. On inspecting i noticed that i have a hole dug out in one of the areas of the basement and a pump installed in it. It was quite ful so i switched the pump on to expel the water from the hole. I noticed immediately that it was filling up very quickly from the side of one part of the hole and this quickly made the pump come on again.

    The house had not been in use for approx 8 years and water was off from the stopcock, i inspected the basement prior to purchase too and noticed it was quite dry up until i turned the stopcock on.

    Please note that the mains water supply pipe in blue is far away from the area where the pump is located and it seems quite new, the only water which is close to the hole in the ground and pup are 2 gulleys and a manhole, however the water going into the tank is very clear and clean. The water which is going into the hole is coming out of the side of the hole.

    I have asked a few drainage companies and one came out to see, he suggested there may be a leak from the water boards mains, like mentioned earlier the mains supply pipe is on the other side of the house.

    Can anyone give me any ideas on how to rectify this issue immediately please.

    Attached Files:

  2. jonathanc

    jonathanc Screwfix Select

    Turn stopcock off and see if the sump fills. If not then turn the stopcock back on and see if it fill. If so you have a leak after the stopcock so find it and fix it
  3. Bob Rathbone

    Bob Rathbone Screwfix Select

    As Jonathan suggests, but you will need to turn off the stopcock in the street for a half a day before you notice any difference.

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