Sletch Goober
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I have a 1 hp submersible pump well in a 4" PVC shaft. The well is 140' deep; the pump is at 45' and water comes to 10' below the ground. (I live in a river valley and the well is uphill from the house. If it were down hill it would probably be a flowing well). There is never a shortage of water here.
The well head is under some bushes so I never paid it much attention. Today I was doing some trimming and heard the well "inhaling" whenever the pump ran. The top has a metal cap of some sort that looks like it is two pieces, and there is a slight gap where they meet the draw pipe. It seems to me that this is letting stuff - bacteria, whatever - into the well. I think it would be simple enough to seal it off, but should I? Is there any good reason for air to go into the water column? Obviously when the pump runs it will create a temporary vacuum between the top of the water and the head, but that doesn't seem like it would be bad, since the vacuum would help draw water up from the aquifer (as if that were a problem). Anyway, my concern is sanitation. Should I seal it?.
The well head is under some bushes so I never paid it much attention. Today I was doing some trimming and heard the well "inhaling" whenever the pump ran. The top has a metal cap of some sort that looks like it is two pieces, and there is a slight gap where they meet the draw pipe. It seems to me that this is letting stuff - bacteria, whatever - into the well. I think it would be simple enough to seal it off, but should I? Is there any good reason for air to go into the water column? Obviously when the pump runs it will create a temporary vacuum between the top of the water and the head, but that doesn't seem like it would be bad, since the vacuum would help draw water up from the aquifer (as if that were a problem). Anyway, my concern is sanitation. Should I seal it?.
