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Ian McChesney

Agree with Phil and Scott’s drainage option. I did exactly that with my garage that sits lower than the house and is subject to flooding. The main thing is to have a good outlet so the water collected in the drain will flow away. A persistently high watertable can be problematic, but in general there will be gradient somewhere that will allow water to flow. The other thing I found about putting the drain in is that it greatly increases peace of mind.