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Ants on water well head

Posted on 2/16/25 at 8:16 am
Posted by Sheepdog1833
Member since Feb 2019
758 posts
Posted on 2/16/25 at 8:16 am
I have a small enclosure over my well head. There is a concrete pad surrounding it with about three inches of space surrounding it.
Weirdly this morning I noticed dead ants in the toilet! After investigation, I found a giant colony of ants on top of the well head. No true sign of a nest anywhere. I’m presently pouring hot water over it then vinegar. They keep coming out of the area.
Since this is drinking water, what is something that I can control these with?
Posted by Tangineck
Mandeville
Member since Nov 2017
2762 posts
Posted on 2/16/25 at 8:48 am to
Diatomaceous earth. You can even buy the food grade for a little more money.
Posted by cgrand
HAMMOND
Member since Oct 2009
46721 posts
Posted on 2/16/25 at 9:00 am to
heat up a big pot of boiling water and douse them
Posted by Clames
Member since Oct 2010
18926 posts
Posted on 2/16/25 at 9:55 am to
Check for any exposed wiring, ants love electrical circuits.
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
71076 posts
Posted on 2/16/25 at 10:26 am to
How did they get into the pipe though?
Posted by ItzMe1972
Member since Dec 2013
12207 posts
Posted on 2/16/25 at 10:50 am to
I'd use Talstar to kill the queen.
Posted by PerplenGold
TX
Member since Nov 2021
2215 posts
Posted on 2/16/25 at 3:12 pm to
Have an aerator pump for our septic system. Techs said to put used dog flea collars around it to keep ants away.

Weird that ants got in your plumbing.
Posted by turkish
Member since Aug 2016
2274 posts
Posted on 2/16/25 at 9:49 pm to
If ants are getting into your drinking water, you have bigger problems. That implies your drinking water supply is not staying pressurized.
Posted by Spankum
Miss-sippi
Member since Jan 2007
60610 posts
Posted on 2/16/25 at 11:59 pm to
I personally would spray a circle of Bengal spray around it to keep them from coming there (I would not spray anything on the well facility itself.

As the others, I would have to question how ants are getting into your water system. I would personally call someone who drills water wells, as it sounds like you have some well casing problems.
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