Water in basement. Runoff or not? Want to use dye.

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Old 04-04-11, 10:30 AM
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Water in basement. Runoff or not? Want to use dye.

I've lived in my house for 3 years and the past 2 springs have had a fairly significant amount of water seep in through the bottom course of block and through the floor up around my effluence pump.

It is not a huge problem so I am taking a methodical approach over time to find the source of the water and rather than tear up my entire yard and/or install some kind of system inside. The basement is walk-out so the water flows in a sheet about 1/4" "deep" and runs out under the door jamb. Also the water is clean so clean up is basically a fan for a few days.

I am trying to find out if the water is from runoff, from some kind of underground river, or rising water table.

I think it is runoff, the yard in the area of the main water entry is not graded properly.

I was thinking a way to test this would be to put some sort of dye in the area of the poor drainage I suspect and see if I can detect it in the basement. My concerns are that the dye will ruin my basement floor, and could find it's way to my nearby well. Does anyone know of a non-toxic product that would work? Or have any tips or suggestions on how to tell where the water is coming from. I was thinking to buy a ton of tonic (with quinine) and pour in on the ground and go down there with a black light the next morning....

Thanks,

Mike
 
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Old 04-04-11, 10:41 AM
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Turn on the garden hose in the area where the water is coming in and see if that reproduces the problem
 
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Old 04-04-11, 11:00 AM
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Actually I had not thought of that! But it usually only happens from a LOT of rain, like 3-6" in a 12-24 hour period or so. Takes it awhile to get going, and then awhile to stop, maybe 12 hours lag from the rain starting and stopping. I don't know if I could put that much water on the ground with the hose. I meant once the water starts inside I could throw some tablets on the ground. Thanks for the tip, I may try it. Can't hurt.
 
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