Try to find the source of the leak. Do you have a gutter that dumps water outside near the house?
When you say water is leaking in just below ground level, do you mean above the top row of block? I have seen where sealing between a cement patio and the house has fixed such problems.
Also given your terrain, a french drain might help.
There are a lot of potemtial solutions & I don't know enough by your post to say the best solution. Usually, once you identify the source of the water, then the solution becomes obvious.
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