hokie66, I am working on getting a picture that shows this, thanks for the suggestion.
ishvaaag, we did look at all water issues, and suspect rain water, however we never thought of the sewer, that would be worth checking will let you know.
We tried a garden hose, there was not enough water to...
We have a rentention wall slab that is 65' long, 7 ' tall with an attached, supported poured concrete slab. The slab area is a pool deck with the pool being 25' from the retention wall. Approximately 6' of the rentention wall has settled about 2" on just one side. The supported slab that is...